NETGEAR Wireless-N
Router WNR2000 User
Manual
NETGEAR, Inc.
4500 Great America Parkway
Santa Clara, CA 95054 USA
202-10397-01
June 2008
v1.0
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Europe ā EU Declaration of Conformity
This device complies with the essential requirements of the R&TTE Directive 1999/5/EC. The following test methods
have been applied in order to prove presumption of conformity with the essential requirements of the R&TTE Directive
1999/5/EC:
ā¢
EN 60950-1: 2001
Safety of information technology equipment
ā¢
EN 300 328 V1.7.1 (2006-10)
Electromagnetic compatibility and Radio spectrum Matters (ERM); Wideband transmission systems; Data
transmission equipment operating in the 2,4 GHz ISM band and using wide band modulation techniques;
Harmonized EN covering essential requirements under article 3.2 of the R&TTE Directive
ā¢
EN 301 489-17 V1.2.1 (2002-08) and EN 301 489-1 V1.4.1 (2002-08)
Electromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC)
standard for radio equipment and services; Part 17: Specific conditions for 2,4 GHz wideband transmission systems
and 5 GHz high performance RLAN equipment
This device is a 2.4 GHz wideband transmission system (transceiver), intended for use in all EU member states and
EFTA countries under the following conditions and/or with the following restrictions:
ā¢
In Italy the end-user should apply for a license at the national spectrum authorities in order to obtain authorization
to use the device for setting up outdoor radio links and/or for supplying public access to telecommunications and/or
network services.
ā¢
This device may not be used for setting up outdoor radio links in France and in some areas the RF output power
may be limited to 10 mW EIRP in the frequency range of 2454 - 2483.5 MHz. For detailed information the end-user
should contact the national spectrum authority in France.
Äesky
[Czech]
[NETGEAR Inc.] tĆmto prohlaÅ”uje, že tento [WNR2000] je ve shode se zĆ”kladnĆmi
požadavky a dalÅ”Ćmi prĆsluÅ”nĆ½mi ustanovenĆmi smernice 1999/5/ES.
Dansk
[Danish]
Undertegnede [NETGEAR Inc.] erklƦrer herved, at fĆølgende udstyr [WNR2000]
overholder de vƦsentlige krav og Ćøvrige relevante krav i direktiv 1999/5/EF.
Deutsch
[German]
Hiermit erklƤrt [NETGEAR Inc.], dass sich das GerƤt [WNR2000] in Ćbereinstimmung
mit den grundlegenden Anforderungen und den Ć¼brigen einschlƤgigen Bestimmungen
der Richtlinie 1999/5/EG befindet.
Eesti
KƤesolevaga kinnitab [NETGEAR Inc.] seadme [WNR2000] vastavust direktiivi 1999/5/
[Estonian]
EĆ pƵhinƵuetele ja nimetatud direktiivist tulenevatele teistele asjakohastele sƤtetele.
English
Hereby, [NETGEAR Inc.], declares that this [WNR2000] is in compliance with the
essential requirements and other relevant provisions of Directive 1999/5/EC.
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EspaƱol
[Spanish]
Por medio de la presente [NETGEAR Inc.] declara que el [WNR2000] cumple con los
requisitos esenciales y cualesquiera otras disposiciones aplicables o exigibles de la
Directiva 1999/5/CE.
EĪ»Ī»Ī·Ī½Ī¹ĪŗĪ®
[Greek]
ĪĪ Ī¤ĪĪ Ī ĪĪ”ĪĪ„Ī£Ī [NETGEAR Inc.] ĪĪĪā¦ĪĪĪ ĪĪ¤Ī [WNR2000] Ī£Ī„ĪĪĪĪ”Ī¦ā¦ĪĪĪ¤ĪĪ
Ī Ī”ĪĪ£ Ī¤ĪĪ£ ĪĪ„Ī£Īā¦ĪĪĪĪ£ ĪĪ ĪĪĪ¤ĪĪ£ĪĪĪ£ ĪĪĪ Ī¤ĪĪ£ ĪĪĪĪ ĪĪ£ Ī£Ī§ĪĪ¤ĪĪĪĪ£ ĪĪĪĪ¤ĪĪĪĪĪ£ Ī¤ĪĪ£
ĪĪĪĪĪĪĪ£ 1999/5/ĪĪ.
FranƧais
[French]
Par la prƩsente [NETGEAR Inc.] dƩclare que l'appareil [WNR2000] est conforme aux
exigences essentielles et aux autres dispositions pertinentes de la directive 1999/5/CE.
Italiano
[Italian]
Con la presente [NETGEAR Inc.] dichiara che questo [WNR2000] ĆØ conforme ai
requisiti essenziali ed alle altre disposizioni pertinenti stabilite dalla direttiva 1999/5/CE.
Latviski
Ar Å”o [NETGEAR Inc.] deklarÄ, ka [WNR2000] atbilst DirektÄ«vas 1999/5/EK bÅ«tiskajÄm
[Latvian]
prasÄ«bÄm un citiem ar to saistÄ«tajiem noteikumiem.
Lietuvių
Šiuo [NETGEAR Inc.] deklaruoja, kad Ŕis [WNR2000] atitinka esminius reikalavimus ir
[Lithuanian]
kitas 1999/5/EB Direktyvos nuostatas.
Nederlands Hierbij verklaart [NETGEAR Inc.]. dat het toestel [WNR2000] in overeenstemming is
[Dutch]
met de essentiƫle eisen en de andere relevante bepalingen van richtlijn 1999/5/EG.
Malti
Hawnhekk, [NETGEAR Inc.], jiddikjara li dan [WNR2000] jikkonforma mal-htigijiet
[Maltese]
essenzjali u ma provvedimenti ohrajn relevanti li hemm fid-Dirrettiva 1999/5/EC.
Magyar
AlulĆrott, [NETGEAR Inc.] nyilatkozom, hogy a [WNR2000] megfelel a vonatkozĆ³
[Hungarian]
alapvetƵ kƶvetelmĆ©nyeknek Ć©s az 1999/5/EC irĆ”nyelv egyĆ©b elƵĆrĆ”sainak.
Polski
Niniejszym [NETGEAR Inc.] oÅwiadcza, że [WNR2000] jest zgodny z zasadniczymi
[Polish]
wymogami oraz pozostaÅymi stosownymi postanowieniami Dyrektywy 1999/5/EC.
PortuguĆŖs
[NETGEAR Inc.] declara que este [WNR2000] estĆ” conforme com os requisitos
[Portuguese]
essenciais e outras disposiƧƵes da Directiva 1999/5/CE.
Slovensko
[Slovenian]
[NETGEAR Inc.] izjavlja, da je ta [WNR2000] v skladu z bistvenimi zahtevami in
ostalimi relevantnimi doloÄili direktive 1999/5/ES.
Slovensky
[Slovak]
[NETGEAR Inc.] tĆ½mto vyhlasuje, _e [WNR2000] spÄŗÅa zĆ”kladnĆ© po_iadavky a vÅ”etky
prĆsluÅ”nĆ© ustanovenia Smernice 1999/5/ES.
Suomi
[NETGEAR Inc.] vakuuttaa tƤten ettƤ [WNR2000] tyyppinen laite on direktiivin 1999/5/
[Finnish]
EY oleellisten vaatimusten ja sitƤ koskevien direktiivin muiden ehtojen mukainen.
Svenska
[Swedish]
HƤrmed intygar [NETGEAR Inc.] att denna [WNR2000] stƄr I ƶverensstƤmmelse med
de vƤsentliga egenskapskrav och ƶvriga relevanta bestƤmmelser som framgƄr av
direktiv 1999/5/EG.
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FCC Requirements for Operation in the United States
Federal Communications Commission (FCC) Compliance Notice:
Radio Frequency Notice: This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if
not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the
user is encouraged to try to correct the interference by one or more of the following measures:
ā¢
ā¢
ā¢
ā¢
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
To assure continued compliance, any changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate this equipment. (Example - use only shielded interface cables when
connecting to computer or peripheral devices).
FCC Radiation Exposure Statement
This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This
equipment should be installed and operated with a minimum distance of 20 centimeters between the radiator and your
body.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may cause undesired operation.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
The antennas used for this transmitter must be installed to provide a separation distance of at least 20 cm from all
persons and must not be co-located or operating in conjunction with any other antenna or transmitter.
FCC Information to User
This product does not contain any user serviceable components and is to be used with approved antennas only. Any
product changes or modifications will invalidate all applicable regulatory certifications and approvals.
FCC Guidelines for Human Exposure
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment
should be installed and operated with minimum distance of 20 cm between the radiator and your body.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
FCC Declaration Of Conformity
We NETGEAR, Inc., 4500 Great America Parkway, Santa Clara, CA 95054, declare under our sole responsibility that
the model WNR2000 Wireless-N Router Model WNR2000 complies with Part 15 of FCC Rules. Operation is subject to
the following two conditions:
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ā¢
ā¢
This device may not cause harmful interference, and
This device must accept any interference received, including interference that may cause undesired operation.
FCC Radio Frequency Interference Warnings & Instructions
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment uses and can radiate radio frequency energy and, if not installed and used in accordance
with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to
correct the interference by one or more of the following methods:
ā¢
ā¢
ā¢
ā¢
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and the receiver.
Connect the equipment into an electrical outlet on a circuit different from that which the radio receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
Wireless-N Router Model WNR2000
Tested to Comply
with FCC Standards
FOR HOME OR OFFICE USE
Modifications made to the product, unless expressly approved by NETGEAR, Inc., could void the user's right to operate
the equipment.
Industry Canada (IC)
This Class B digital apparatus complies with Canadian ICE-003.
Cet appareil numƩrique de la classe B est conforme Ɣ la norme NMB-003 du Canada.
To prevent radio interference to the licensed service, this device is intended to be operated indoors and away from
windows to provide maximum shielding.
Equipment (or its transmit antenna) that is installed outdoors is subject to licensing.
Operation is subject to the following two conditions,
(1) this device may not cause interference and
(2) this device must accept any interference, including interference that may cause undesired operation of the device.
Maximum Wireless Signal Rate Derived from IEEE Standard 802.11 Specifications
Actual data throughput will vary. Network conditions and environmental factors, including volume of network traffic,
building materials and construction, and network overhead, lower actual data throughput rate.
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Product and Publication Details
Model Number:
WNR2000
Publication Date:
Product Family:
June 2008
Wireless Router
Product Name:
Wireless-N Router Model WNR2000
Home or Business Product:
Language:
Home
English
Publication Part Number:
202-10397-01
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Contents
Conventions, Formats, and Scope ................................................................................... xi
How to Use This Manual ..................................................................................................xii
How to Print This Manual .................................................................................................xii
Chapter 1
Configuring Basic Connectivity
Using the Setup Manual .................................................................................................1-1
Logging In To Your Wireless Router ...............................................................................1-2
Setting Up and Testing Basic Wireless Connectivity ....................................................1-10
Chapter 2
Safeguarding Your Network
Recording Basic Wireless Settings Setup Information ...................................................2-5
Changing Wireless Security Settings .............................................................................2-6
Viewing Advanced Wireless Settings ...........................................................................2-12
Using Push 'N' Connect (Wi-Fi Protected Setup) .........................................................2-13
Push Button Configuration .....................................................................................2-14
Restricting Wireless Access by MAC Address .............................................................2-19
Changing the Administrator Password .........................................................................2-21
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Chapter 3
Restricting Access From Your Network
Content Filtering Overview .............................................................................................3-1
Blocking Access to Internet Sites ...................................................................................3-1
Blocking Access to Internet Services .............................................................................3-3
Scheduling Blocking .......................................................................................................3-5
Configuring E-mail Alert and Web Access Log Notifications ..........................................3-7
Setting the Time Zone ....................................................................................................3-9
Chapter 4
Customizing Your Network Settings
Using the LAN IP Setup Options ....................................................................................4-1
Configuring a Device Name .....................................................................................4-2
Configuring LAN TCP/IP Setup Parameters ............................................................4-3
Configuring the WAN Setup Options ..............................................................................4-8
Disabling the SPI Firewall ........................................................................................4-8
Responding to a Ping on the Internet (WAN) Port ...................................................4-9
Setting the MTU Size ...............................................................................................4-9
Chapter 5
Fine-Tuning Your Network
How Port Forwarding Differs from Port Triggering ...................................................5-6
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NETGEAR Wireless-N Router WNR2000 User Manual
Using Universal Plug and Play .....................................................................................5-13
Optimizing Wireless Performance ................................................................................5-14
Changing the MTU Size ...............................................................................................5-15
Chapter 6
Using Network Monitoring Tools
Updating the Router Firmware .......................................................................................6-9
Updating Manually to New Router Firmware .........................................................6-11
Enabling Remote Management Access .......................................................................6-13
Chapter 7
Troubleshooting
Checking the Internet Service Connection .....................................................................7-6
Troubleshooting Internet Browsing ..........................................................................7-8
Troubleshooting Your Network Using the Ping Utility .....................................................7-8
Testing the LAN Path to Your Router .......................................................................7-9
Problems with Wireless Adapter Connections ..............................................................7-11
Contents
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NETGEAR Wireless-N Router WNR2000 User Manual
Appendix A
Technical Specifications
Appendix B
Related Documents
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About This Manual
Ā®
The user manual provides information for configuring the features of the NETGEAR Wireless-N
Router Model WNR2000 beyond initial configuration settings. Initial configuration instructions
can be found in the NETGEAR Wireless-N Router Setup Manual. You should have basic to
intermediate computer and Internet skills.
Conventions, Formats, and Scope
The conventions, formats, and scope of this manual are described in the following paragraphs:
ā¢
Typographical conventions. This manual uses the following typographical conventions:
Italic
Emphasis, books, CDs
User input, GUI screen text
Command prompt, CLI text, code
URL links
Bold
Fixed
Italic
ā¢
Formats. This manual uses the following formats to highlight special messages:
Note: This format is used to highlight information of importance or special interest.
Tip: This format is used to highlight a procedure that will save time or resources.
Warning: Ignoring this type of note might result in a malfunction or damage to the
equipment, a breach of security, or a loss of data.
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NETGEAR Wireless-N Router WNR2000 User Manual
Danger: This is a safety warning. Failure to take heed of this notice might result in
personal injury or death.
ā¢
Scope. This manual is written for the WNR2000 router according to these specifications:
Product Version
Wireless-N Router Model WNR2000
June 2008
Manual Publication Date
For more information about network, Internet, firewall, and VPN technologies, click the links to
Note: Product updates are available on the NETGEAR, Inc. website at
How to Use This Manual
The HTML version of this manual includes the following:
ā¢
Buttons,
at a time.
and
, for browsing forward or backward through the manual one page
ā¢
A
button that displays the table of contents and an
button that displays an
index. Double-click a link in the table of contents or index to navigate directly to where the
topic is described in the manual.
ā¢
ā¢
A
model.
button to access the full NETGEAR, Inc. online knowledge base for the product
Links to PDF versions of the full manual and individual chapters.
How to Print This Manual
To print this manual, you can choose one of the following options, according to your needs.
ā¢
Printing a page from HTML. Each page in the HTML version of the manual is dedicated to
a major topic. Select File > Print from the browser menu to print the page contents.
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ā¢
Printing from PDF. Your computer must have the free Adobe Acrobat Reader installed for
you to view and print PDF files. The Acrobat Reader is available on the Adobe website at
ā
Printing a PDF chapter. Use the PDF of This Chapter link at the top left of any page.
ā¢
Click the PDF of This Chapter link at the top left of any page in the chapter you want
to print. The PDF version of the chapter you were viewing opens in a browser
window.
ā¢
Click the print icon in the upper left of your browser window.
ā
Printing a PDF version of the complete manual. Use the Complete PDF Manual link
at the top left of any page.
ā¢
ā¢
Click the Complete PDF Manual link at the top left of any page in the manual. The
PDF version of the complete manual opens in a browser window.
Click the print icon in the upper left of your browser window.
Tip: If your printer supports printing two pages on a single sheet of paper, you can
save paper and printer ink by selecting this feature.
Revision History
NETGEAR, Inc. is constantly searching for ways to improve its products and documentation. The
following table indicates any changes that might have been made since the WNR2000 router was
introduced.
Table 2-1. Publication Revision History
Version
Number
Part Number
Date
Description
202-10397-01
v1.0
June 2008
First publication.
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Chapter 1
Configuring Basic Connectivity
This chapter describes the settings for your Internet connection and your wireless local area
network (LAN) connection. When you perform the initial configuration of your wireless router
using the Resource CD as described in the NETGEAR Wireless-N Router Setup Manual, these
settings are specified automatically for you. This chapter provides further details about these
connectivity settings, as well as instructions on how to log in to the router for further
configuration.
Note: NETGEAR recommends using the Smart Wizardā¢ on the Resource CD for initial
configuration, as described in the NETGEAR Wireless-N Router Setup Manual.
This chapter includes the following sections:
ā¢
ā¢
ā¢
ā¢
ā¢
Using the Setup Manual
For first-time installation of your wireless router, refer to the NETGEAR Wireless-N Router Setup
Manual. The Setup Manual explains how to launch the NETGEAR Smart Wizard on the Resource
CD to step you through the procedure to connect your router, modem, and computers. The Smart
Wizard will assist you in configuring your wireless settings and enabling wireless security for your
network. After initial configuration using the Setup Manual, you can use the information in this
User Manual to configure additional features of your wireless router.
For installation instructions in a language other than English, refer to the language options on the
Resource CD.
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NETGEAR Wireless-N Router WNR2000 User Manual
Logging In To Your Wireless Router
When the wireless router is connected to your network, you can access and configure the router
using your browser.
To access the router:
1. Connect to the wireless router by typing http://www.routerlogin.net in the address field of
your browser, and then press Enter. A login window displays.
Figure 1-1
Tip: You can connect to the wireless router by typing either of these URLs in the
address field of your browser, and then pressing Enter:
If these URLs do not work, you must type the IP address of the router, for
example, http://www.192.168.1.1.
2. Enter admin for the router user name and your password (or the default, password). For
information about how to change the password, see āChanging the Administrator Passwordā
Note: The router user name and password are not the same as any other user name or
password you might use to log in to your Internet connection.
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Configuring Basic Connectivity
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The Checking for Firmware Updates screen appears unless you previously cleared the Check
for Updated Firmware Upon Log-in check box.
Figure 1-2
If the router discovers a newer version of firmware, the message on the left displays when you
log in. If no new firmware is available, the message on the right displays.
Figure 1-3
To automatically update to the new firmware, click Yes to allow the router to download and
install the new firmware file from NETGEAR.
Warning: When uploading firmware to the WNR2000 router, do not interrupt the
Web browser by closing the window, clicking a link, or loading a new
page. If the browser is interrupted, it could corrupt the firmware.
When the upload is complete, your router automatically restarts. The update process typically
takes about 1 minute.
Configuring Basic Connectivity
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3. In the main menu on the left, select Basic Settings under Setup. The Basic Settings screen
displays showing the wireless routerās home page and suggested default settings.
Figure 1-4
Note: If the Check for New Version Upon Log-in check box is selected, the home
page is the Router Upgrade screen. Otherwise, it is the Basic Settings screen.
If the wireless router is connected to the Internet, you can select Knowledge Base or
Documentation under Web Support in the main menu to view support information or the
documentation for the wireless router.
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If you do not click Logout, the wireless router will wait for 5 minutes after no activity before
it automatically logs you out.
Configuring Your Internet Connection Using the Smart Setup
Wizard
You can manually configure your Internet connection using the Basic Settings screen, or you can
allow the Smart Setup Wizard to determine your Internet Service Provider (ISP) configuration.
The Smart Setup Wizard searches your Internet connection for servers and protocols to determine
your ISP configuration.
To use the Smart Setup Wizard to assist with configuration or to verify the Internet connection
settings:
1. Select Setup Wizard from the top of the main menu.
2. Click Next to proceed. Enter your ISP settings, as needed.
3. At the end of the Setup Wizard, click Test to verify your Internet connection. If you have
Viewing and Configuring Basic ISP Settings
Settings related to your Internet service are specified in the Basic Settings screen. Select Basic
Settings under Setup in the main menu.
The content you see in the Basic Settings screen depends on whether your ISP requires that you
log in with a user name and password for Internet access.
ā¢
No login required by ISP. If no login is required by your ISP, the following settings appear in
the Basic Settings screen.
Configuring Basic Connectivity
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ISP does not require login
Figure 1-5
ā
Account Name (might also be called Host Name). The account name is provided to the
ISP during a DHCP request from your router. In most cases, this setting is not required,
but some ISPs require it for access to ISP services such as mail or news servers.
ā
Domain Name. The domain name is provided by your router to computers on your LAN
when the computers request DHCP settings from your router. In most cases, this settings is
not required.
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ā
Internet IP Address. Determines how your router obtains an IP address for Internet
access.
ā¢
If your ISP assigns an IP address dynamically (by DHCP), select Get Dynamically
From ISP.
ā¢
If your ISP has assigned you a permanent, fixed (static) IP address for your computer,
select Use Static IP Address. Enter the IP address that your ISP assigned. Also, enter
the subnet mask and the gateway IP address. The gateway is the ISPās router to which
your router will connect.
ā
Domain Name Server (DNS) Address. If you know that your ISP does not automatically
transmit DNS addresses to the router during login, select Use These DNS Servers, and
enter the IP address of your ISPās primary DNS server. If a secondary DNS server address
is available, enter it also.
Note: If you enter or change a DNS address, restart the computers on your
network so that these settings take effect.
ā
Router MAC Address. This section determines the Ethernet MAC address that the router
will use on the Internet port. Typically, you would leave Use Default Address selected.
However, some ISPs (especially cable modem providers) register the Ethernet MAC
address of the network interface card in your computer when your account is first opened.
They then accept only traffic from the MAC address of that computer. This feature allows
your router to masquerade as that computer by ācloningā or āspoofingā its MAC address.
To change the MAC address, select one of the following methods:
ā¢
Select Use Computer MAC Address. The router will then capture and use the MAC
address of the computer that you are now using. You must be using the one computer
that is allowed by the ISP.
ā¢
Select Use This MAC Address, and enter it here.
Configuring Basic Connectivity
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If a login is required by your ISP, the following settings appear in the Basic Settings screen:
ISP does require login
Figure 1-6
ā¢
Does Your Internet Connection Require A Login? If you usually must use a login program
such as WinPOET to access the Internet, your Internet connection requires a login. After you
select Yes, the Basic Settings screen displays.
Note: After you finish setting up your router, you will no longer need to launch the
ISPās login program on your computer to access the Internet. When you start
an Internet application, your router will automatically log you in.
ā
Internet Service Provider. This drop-down list contains a few ISPs that need special
protocols for connection. The list includes:
ā¢
PPTP (Point to Point Tunneling Protocol), used primarily in Austrian DSL services
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ā¢
Telstra Bigpond, an Australian residential cable modem service
Note: The Telstra Bigpond setting is only for older cable modem service
accounts still requiring a Bigpond login utility. Telstra has
discontinued this type of account. Those with Telstra DSL accounts
and newer cable modem accounts should select No for Does Your
Internet Connection Require a Login.
ā¢
Other, which selects PPPoE (Point to Point Protocol over Ethernet), the protocol used
by most DSL services worldwide.
Figure 1-7
Note: Not all ISPs are listed here. The ones on this list have special
requirements.
ā
ā
Login and Password. This is the user name and password provided by your ISP. This
name and password are used to log in to the ISP server.
Service Name. If your connection is capable of connecting to multiple Internet services,
this setting specifies which service to use.
ā¢
Connection Mode. This drop-down list selects when the router will connect to and
disconnect from the Internet.
Figure 1-8
ā
The list includes:
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ā¢
ā¢
ā¢
Always On. The router logs in to the Internet immediately after booting and never
disconnects.
Dial on Demand. The router logs in only when outgoing traffic is present and logs out
after the idle time-out.
Manually Connect. The router logs in or logs out only when the user clicks Connect
or Disconnect in the Router Status screen.
ā
ā
Idle Timeout. Your Internet connection is logged out if there is no data transfer during the
specified time interval.
Domain Name Server (DNS) Address. If you know that your ISP does not automatically
transmit DNS addresses to the router during login, select Use These DNS Servers, and
enter the IP address of your ISPās primary DNS server. If a secondary DNS server address
is available, enter it also.
Note: If you enter or change a DNS address, restart the computers on your
network so that these settings take effect.
Setting Up and Testing Basic Wireless Connectivity
Note: If you use a wireless computer to change wireless settings, you might be
disconnected when you click Apply. Reconfigure your wireless adapter to match
the new settings, or access the router from a wired computer to make any further
changes.
Follow these instructions to set up and test basic wireless connectivity. Once you have established
basic wireless connectivity, you can enable security settings appropriate to your needs.
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1. Select Wireless Settings under Setup in the main menu of the WNR2000 router.
Figure 1-9
2. For the wireless network name (SSID), use the default name, or choose a suitable descriptive
name. In the Name (SSID) field, you can enter a value of up to 32 alphanumeric characters.
The default SSID is NETGEAR.
Note: The SSID is case-sensitive; NETGEAR is not the same as nETgear. Also, the
SSID of any wireless access adapters must match the SSID you specify in the
WNR2000 router. If they do not match, you will not get a wireless connection
to the WNR2000 router.
3. Select the region in which the wireless interface will operate.
4. Set the channel. The default channel is Auto.
This field determines which operating frequency is used. It should not be necessary to change
the wireless channel unless you notice interference problems with another nearby wireless
router or access point. Select a channel that is not being used by any other wireless networks
within several hundred feet of your router. For more information about the wireless channel
frequencies, click the link to the online document āWireless Networking Basicsā in
5. Make sure that the mode is set to Up to 145Mbps.
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6. For Security Options, select None.
7. Click Apply to save your changes.
Note: If you are configuring the router from a wireless computer and you change the
routerās SSID, channel, or security settings, you will lose your wireless
connection when you click Apply. You must then change the wireless settings
of your computer to match the routerās new settings.
8. Select Wireless Settings under Advanced in the main menu of the WNR2000 router.
Figure 1-10
9. Make sure that the Enable Wireless Router Radio, Enable SSID Broadcast, and Enable
WMM check boxes are selected.
10. Click Setup Access List.
11. Make sure that the Turn Access Control On check box is not selected.
12. Configure and test your wireless computer for wireless connectivity.
Program the wireless adapter of your computer to have the same SSID and channel that you
specified in the router, and disable encryption. Check that your computer has a wireless link
and can obtain an IP address by DHCP from the router.
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Once your computer has basic wireless connectivity to the router, you can configure the advanced
wireless security functions of the computer and router (for more information about security and
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Chapter 2
Safeguarding Your Network
The Wireless-N Router Model WNR2000 provides highly effective security features, which are
covered in detail in this chapter.
This chapter includes the following sections:
ā¢
ā¢
ā¢
ā¢
ā¢
ā¢
ā¢
ā¢
ā¢
Choosing Appropriate Wireless Security
Unlike wired networks, wireless networks allow anyone with a compatible adapter to receive your
wireless data transmissions well beyond your walls. Operating an unsecured wireless network
creates an opportunity for outsiders to eavesdrop on your network traffic or to enter your network
to access your computers and files. Indoors, computers can connect over 802.11g/n wireless
networks at ranges of up to 300 feet. Such distances can allow for others outside your immediate
area to access your network. Use the security features of your wireless equipment that are
appropriate to your needs.
The time it takes to establish a wireless connection can vary depending on both your security
settings and router placement.
Stronger security methods can entail a cost in terms of throughput, latency, battery consumption,
and equipment compatibility. In choosing an appropriate security level, you can also consider the
effort compared to the reward for a hacker to break into your network. As a minimum, however,
NETGEAR recommends using WEP with Shared Key authentication. Do not run an unsecured
wireless network unless it is your intention to provide free Internet access for the public.
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WEP connections can take slightly longer to establish. Also, WEP, WPA-PSK, and WPA2-PSK
encryption can consume more battery power on a notebook computer, and can cause significant
performance degradation with a slow computer.
Note: NETGEAR recommends that you change the administration password of your
router. Default passwords are well known, and an intruder can use your
administrator access to read or disable your security settings. For information
about how to change the administrator password, see āChanging the Administrator
Wireless data
security options
Range: up to 300 foot radius
1) Open system: easy but no security
2) MAC access list: no data security
WNR2000
3) WEP: security but some performance
impact
4) WPA-PSK: strong security
5) WPA2-PSK: very strong security
Figure 2-1
To configure the wireless network, you can:
ā¢
Manually specify your SSID and your wireless security settings. The WNR2000 router
provides two screens for configuring the wireless settings:
ā
ā
Advanced Wireless Settings. You access these under Advanced in the main menu (see
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ā¢
Use Wi-Fi Protected Setup (WPS) to automatically set the SSID and implement WPA/
WPA2 security on both the router and the client device. If the clients in your network are
WPS capable, you can use Wi-Fi Protected Setup (WPS) to automatically set the SSID and
Table 2-1. Wireless Security Options
Security Type
Description
None.
No wireless security. Recommended only for
troubleshooting wireless connectivity. Do not run an
unsecured wireless network unless it is your
intention to provide free Internet access for the
public.
WEP. Wired Equivalent Privacy.
Wired Equivalent Privacy (WEP) data encryption
provides moderate data security. WEP Shared Key
authentication and WEP data encryption can be
defeated by a determined eavesdropper using
publicly available tools.
For more information, see āConfiguring WEP
WPA-PSK (TKIP). WPA-PSK standard encryption
with TKIP encryption type.
Wi-Fi Protected Access with Pre-Shared Key (WPA-
PSK and WPA2-PSK) data encryption provides
extremely strong data security, very effectively
WPA2-PSK (AES). Wi-Fi Protected Access version 2 blocking eavesdropping. Because WPA and WPA2
with Pre-Shared Key; WPA2-PSK standard
encryption with the AES encryption type.
are relatively new standards, older wireless adapters
and devices might not support them.
For more information, see āConfiguring WPA-PSK
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Table 2-2. Other Features That Enhance Security
Security Type
Description
Disable the wireless router radio.
If you disable the wireless router radio, wireless
devices cannot communicate with the router at all.
You might disable this when you are away or when
other users of your network all use wired
connections.
For more information, see āViewing Advanced
Turn off the broadcast of the wireless network
name SSID.
If you disable the broadcast of the SSID, only
devices that know the correct SSID can connect.
This nullifies the wireless network discovery feature
of some products such as Windows XP, but your data
is still fully exposed to an intruder using available
wireless eavesdropping tools.
For more information, see āViewing Advanced
Restrict access based on MAC address.
You can restrict access to only trusted computers so
that unknown computers cannot wirelessly connect
to the WNR2000 router. MAC address filtering adds
an obstacle against unwanted access to your
network by the general public, but the data broadcast
over the wireless link is fully exposed. This data
includes your trusted MAC addresses, which can be
read and impersonated by a hacker.
For more information, see āRestricting Wireless
Modify your firewallās rules.
By default, the firewall allows any outbound traffic
and prohibits any inbound traffic except for
responses to your outbound traffic. However, you
can modify the firewallās rules.
Use the Push 'N' Connect feature (Wi-Fi
Protected Setup).
Wi-Fi Protected Setup provides easy setup by
means of a push button. Older wireless adapters and
devices might not support this. Check whether
devices are WPS enabled.
For more information, see āUsing Push 'N' Connect
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Recording Basic Wireless Settings Setup Information
Before and after customizing your wireless settings, print this section, and record the following
information. If you are working with an existing wireless network, the person who set up or is
responsible for the network can provide this information. Otherwise, you must choose the settings
for your wireless network. Either way, record the settings for your wireless network in the spaces
provided.
ā¢
Wireless Network Name (SSID). ______________________________ The SSID identifies
the wireless network. You can use up to 32 alphanumeric characters. The SSID is case-
sensitive. The SSID in the wireless adapter card must match the SSID of the wireless router. In
some configuration utilities (such as in Windows XP), the term āwireless network nameā is
used instead of SSID.
ā¢
If WEP Authentication is used, circle one: Open System, Shared Key, or Auto.
Note: If you select Shared Key, the other devices in the network will not connect
unless they are also set to Shared Key and are configured with the correct key.
ā
ā
WEP Encryption Key Size. Choose one: 64-bit or 128-bit. Again, the encryption key
size must be the same for the wireless adapters and the wireless router.
Data Encryption (WEP) Keys. There are two methods for creating WEP data encryption
keys. Whichever method you use, record the key values in the spaces provided.
ā¢
Passphrase Method. ______________________________ These characters are
case-sensitive. Enter a word or group of printable characters and click Generate. Not
all wireless devices support the passphrase method.
ā¢
Manual Method. These values are not case-sensitive. For 64-bit WEP, enter 10
hexadecimal digits (any combination of 0ā9, aāf, or AāF). For 128-bit WEP, enter
26 hexadecimal digits.
Key 1: ___________________________________
Key 2: ___________________________________
Key 3: ___________________________________
Key 4: ___________________________________
ā¢
If WPA-PSK or WPA2-PSK authentication is used:
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ā
Passphrase. ______________________________ These characters are case-sensitive.
Enter a word or group of printable characters. When you use WPA-PSK, the other devices
in the network will not connect unless they are also set to WPA-PSK and are configured
with the correct passphrase. Similarly, when you use WPA2-PSK, the other devices in the
network will not connect unless they are also set to WPA2-PSK and are configured with
the correct passphrase.
Use the procedures described in the following sections to specify the WNR2000 router. Store this
information in a safe place.
Changing Wireless Security Settings
This section describes the wireless settings that you can view and configure in the Wireless
Settings screen, which you access under Setup in the main menu.
Viewing Basic Wireless Settings
To specify the wireless security settings of your router:
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2. Select Wireless Settings under Setup in the main menu. The Wireless Settings screen
displays.
Figure 2-2
The available settings in this screen are:
ā¢
Name (SSID). The SSID is also known as the wireless network name. Enter a value of up to
32 alphanumeric characters. When more than one wireless network is active, different wireless
network names provide a way to separate the traffic. For a wireless device to participate in a
particular wireless network, it must be configured with the SSID for that network. The
WNR2000 default SSID is NETGEAR. You can disable this broadcast as described in
ā¢
Region. This field identifies the region where the WNR2000 router can be used. It might not
be legal to operate the wireless features of the wireless router in a region other than one of
those identified in this field.
Note: The region selection feature might not be available in all countries.
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ā¢
Channel. This field determines which operating frequency is used. It should not be necessary
to change the wireless channel unless you notice interference problems with another nearby
wireless network. The wireless router uses channel bonding technology to extend the
bandwidth for data transmission. For more information about the wireless channel
frequencies, see the online document that you can access from āWireless Networking Basicsā
ā¢
Mode. This field determines which data communications protocol is used. You can choose
from:
ā
Up To 54 Mbps. Legacy mode, for compatibility with the slower 802.11b and 802.11g
wireless devices.
ā
Up To 145 Mbps. Neighbor Friendly mode, for reduced interference with neighboring
wireless networks. Provides two transmission streams with different data on the same
channel at the same time, but also allows 802.11b and 802.11g wireless devices. This is
the default mode.
ā
Up To 300 Mbps. Performance mode, using channel expansion to achieve the 300 Mbps
data rate. The WNR2000 router will use the channel you selected as the primary channel
and expand to the secondary channel (primary channel +4 or ā4) to achieve a 40 MHz
frame-by-frame bandwidth. The WNR2000 router will detect channel usage and will
disable frame-by-frame expansion if the expansion would result in interference with the
data transmission of other access points or clients.
Note: The maximum wireless signal rate is derived from the IEEE Standard 802.11
specifications. Actual data throughput will vary. Network conditions and
environmental factors, including volume of network traffic, building materials
and construction, and network overhead, lower actual data throughput rate.
ā¢
Security Options. The selection of wireless security options can significantly affect your
network performance. The time it takes to establish a wireless connection can vary depending
on both your security settings and router placement.
WEP connections can take slightly longer to establish. Also, WEP, WPA-PSK, and WPA2-
PSK encryption can consume more battery power on a notebook computer, and can cause
significant performance degradation with a slow computer. Instructions for configuring the
explanation of wireless security standards is available in the online document that you can
3. Click Apply to save your settings.
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Configuring WEP Wireless Security
WEP Shared Key authentication and WEP data encryption can be defeated by a determined
eavesdropper using publicly available tools.
WEP offers the following options:
ā¢
ā¢
ā¢
Automatic. With the Automatic option, the router will try both Open System and Shared Key
authentication. Normally this setting is suitable. If it fails, select Open System or Shared Key.
You can also refer to your wireless adapterās documentation to see what method to use.
Open System. With Open System authentication and 64 or 128 bit WEP data encryption, the
WNR2000 router does perform data encryption but does not perform any authentication.
Anyone can join the network. This setting provides very little practical wireless security.
Shared Key. With Shared Key authentication, a wireless device must know the WEP key to
join the network. Select the encryption strength (64 or 128 bit data encryption). Manually
enter the key values, or enter a word or group of printable characters in the Passphrase field.
Manually entered keys are not case-sensitive, but passphrase characters are case-sensitive.
To configure WEP data encryption:
Note: If you use a wireless computer to configure WEP settings, you will be disconnected
when you click Apply. You must then either configure your wireless adapter to
match the wireless router WEP settings or access the wireless router from a wired
computer to make any further changes. Not all wireless adapter configuration
utilities support passphrase key generation.
1. Select Wireless Settings under Setup in the main menu.
2. In the Security Options section, select WEP. The WEP options display.
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.
Figure 2-3
3. Select the authentication type and encryption strength.
4. You can manually or automatically program the four data encryption keys. These values must
be identical on all computers and access points in your network.
ā¢
Automatic. In the Passphrase field, enter a word or group of printable characters, and
click Generate. The passphrase is case-sensitive. For example, NETGEAR is not the
same as nETgear. The four key fields are automatically populated with key values.
ā¢
Manual. Enter 10 hexadecimal digits (any combination of 0ā9, aāf, or AāF). These
entries are not case-sensitive. For example, AA is the same as aa.
Select which of the four keys to activate.
5. Click Apply to save your settings.
Configuring WPA-PSK and WPA2-PSK Wireless Security
Wi-Fi Protected Access with Pre-Shared Key (WPA-PSK and WPA2-PSK) data encryption
provides extremely strong data security, very effectively blocking eavesdropping. Because WPA
and WPA2 are relatively new standards, older wireless adapters and devices might not support
them. Check whether newer drivers are available from the manufacturer. Also, you might be able
to use the Push 'N' Connect feature to configure this type of security if it is supported by your
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WPAāPre-Shared Key does perform authentication. WPA-PSK uses TKIP (Temporal Key
Integrity Protocol) data encryption, and WPA2-PSK uses AES (Advanced Encryption Standard)
data encryption. Both methods dynamically change the encryption keys making them nearly
impossible to circumvent.
Mixed mode allows clients using either WPA-PSK (TKIP) or WPA2-PSK (AES). This provides
the most reliable security, and is easiest to implement, but it might not be compatible with older
adapters.
Note: Not all wireless adapters support WPA. Furthermore, client software is also
required. Windows XP with Service Pack 2 does include WPA support.
Nevertheless, the wireless adapter hardware and driver must also support WPA.
For instructions on configuring wireless computers or PDAs (personal digital
assistants) for WPA-PSK security, consult the documentation for the product you
are using.
To configure WPA-PSK, WPA2-PSK, or WPA-PSK+WPA2-PSK:
1. Select Wireless Settings under Setup in the main menu. The Wireless Settings screen
displays.
2. Select one of the WPA-PSK or WPA2-PSK options for the security type. The third option
(WPA-PSK [TKIP] + WP2-PSK [AES]) is the most flexible, since it allows clients using
either WPA-PSK or WPA2-PSK.
3. In the Passphrase field, enter a word or group of 8ā63 printable characters. The passphrase is
case-sensitive.
Figure 2-4
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4. Click Apply to save your settings.
Viewing Advanced Wireless Settings
This section describes the wireless settings that you can view and specify in the Advanced
Wireless Settings screen, which you access under Advanced in the main menu.
To configure the advanced wireless security settings of your router:
2. Select Wireless Settings under Advanced in the main menu. The advanced Wireless Settings
screen displays
Figure 2-5
The available settings in this screen are:
ā¢
ā¢
Enable Wireless Router Radio. If you disable the wireless router radio, wireless devices
cannot connect to the WNR2000 router. If you will not be using your wireless network for
a period of time, you can clear this check box and disable all wireless connectivity.
Enable SSID Broadcast. Clear this check box to disable broadcast of the SSID, so that
only devices that know the correct SSID can connect. Disabling SSID broadcast nullifies
the wireless network discovery feature of some products such as Windows XP.
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ā¢
ā¢
Enable WMM. Clear this check box to disable WMM. WMM (Wireless Multimedia), a
subset of the 802.11e standard, allows wireless traffic to have a range of priorities,
depending on the kind of data. Time-dependent information, like video or audio, will have
a higher priority than normal traffic. For WMM to function correctly, Wireless clients
must also support WMM.
Fragmentation Threshold, CTS/RTS Threshold, and Preamble Mode. The
Fragmentation Threshold, CTS/RTS Threshold, and Preamble Mode options are reserved
for wireless testing and advanced configuration only. Do not change these settings.
ā¢
ā¢
.
Using Push 'N' Connect (Wi-Fi Protected Setup)
If your wireless clients support Wi-Fi Protected Setup (WPS), you can use this feature to configure
the routerās network name (SSID) and security settings and, at the same time, connect a wireless
client securely and easily to the router. Look for the
symbol on your client device. WPS
automatically configures the network name (SSID) and wireless security settings for the router (if
the router is in its default state) and broadcasts these settings to the wireless client.
Note: NETGEARās Push 'N' Connect feature is based on the Wi-Fi Protected Setup
certified and WPS-capable products should be compatible with NETGEAR
products that implement Push 'N' Connect.
When you add wireless clients, whether or not they are WPS enabled, the added devices must
share the same network name (SSID) and security passphrase. For more information, see
Note: If you choose to use WPS, the only security methods supported are WPA-PSK and
WPA2-PSK. WEP security is not supported by WPS.
The WNR2000 router provides two methods for connecting to a wireless client that supports WPS,
described in the following sections:
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ā¢
ā¢
Push Button Configuration
There are two methods to enable a wireless client to join a network using a push button on the
router: using the physical push button or using the software button in the Add WPS Client screen.
Using the Physical Push Button
1. Press the button on the WNR2000 router for over 5 seconds. For information about the WPS
button light, see the NETGEAR Wireless-N Router Setup Manual.
The green
button light begins to blink in a regular pattern. While the light is blinking, you
have 2 minutes to enable WPS on the client that you are trying to connect to the router.
2. On the wireless client, follow its specific networking instructions to enable WPS, to allow it to
connect to the router.
The WNR2000 routerās green
these conditions occurs:
button light ceases blinking and remains on when one of
ā¢
ā¢
The router and the client establish a wireless connection.
The 2-minute window period expires for establishing a WPS connection. If the connection
is not established, no WPS security settings will be specified in the WNR2000 router.
Using the Software Button in the Add WPS Client Screen
2. Select Add WPS Client in the main menu, and click Next.
3. Select the Push Button setup method.
Figure 2-6
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4. Click the
button in the Add WPS Client screen. The Connecting to New Wireless Client
screen displays.
Figure 2-7
The green
button light on the WNR2000 router begins to blink in a regular pattern. While
the button light is blinking, you have 2 minutes to enable WPS on the device you are trying to
connect to the router.
5. In the wireless client, follow its specific networking instructions to enable WPS, to allow it to
connect to the router.
The WNR2000 routerās green
these conditions occurs:
button light ceases blinking and remains on when one of
ā¢
ā¢
The router and the client establish a wireless connection.
The 2-minute window period expires for establishing a WPS connection. If the connection
is not established, no WPS security settings will be specified in the WNR2000 router.
Security PIN Entry
There are two ways to enable a wireless client to join a network using a PIN: using the routerās
security PIN or using the wireless clientās security PIN.
Using the Routerās Security PIN
1. Obtain your routerās security PIN from the rear panel of the router or from the Advanced
Wireless Settings screen.
2. On the wireless client, follow its specific networking instructions to enter the routerās security
PIN and to establish a wireless connection with the router.
Using the Wireless Clientās Security PIN
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2. Select Add WPS Client in the main menu, and click Next.
3. Select the PIN Number setup method.
Figure 2-8
4. On the wireless client, obtain its security PIN, or follow its specific networking instructions to
generate a client security PIN.
5. In the Add WPS Client screen of the WNR2000 router, enter the client security PIN in the
Enter Clientās PIN field.
6. Click Next. The following screen displays, and the Smart Wizard initiates the wireless
connection:
Figure 2-9
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Configuring the WPS Settings
2. Select Wireless Settings under Advanced in the main menu.
Figure 2-10
These options are available under WPS Settings:
ā¢
Routerās PIN. The PIN is displayed so that you can use it to configure the router through
WPS (Wi-Fi Protected Setup). It is also displayed on the routerās label.
ā¢
Disable Routerās PIN. If the routerās PIN is disabled, you cannot configure the routerās
wireless settings with WPS. However, if your settings are already configured, you can still
add WPS-enabled wireless clients. The router might disable the PIN if it detects
suspicious attempts to break into your wireless settings; this can happen if the check box is
selected. You can enable the PIN by clearing the check box and clicking Apply.
ā¢
Keep Existing Wireless Settings. This check box is automatically selected after WPS is
enabled to prevent unwanted settings changes, and is also selected if you have already
specified wireless security settings or your SSID without using WPS. When this check
box is not selected, adding a new wireless client using the push button or the Add WPS
and security passphrase. You might need to clear it if you are using certain registrars, such
as for a Windows Vista PC, to configure the router through WPS.
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Connecting Additional Wireless Client Devices after WPS Setup
You can add WPS-enabled and non-WPS-enabled client devices.
Adding Additional WPS-Enabled Clients
To add an additional wireless client device that is WPS enabled:
Note: Your wireless settings do not change when you add an additional WPS-enabled
client unless you have cleared the Keep Existing Wireless Settings check box (in
the Wireless Settings screen). If you do clear the check box, a new SSID and a
passphrase are generated, and all existing connected wireless clients are
disassociated and disconnected from the router.
1. Follow the procedures in āPush Button Configurationā on page 2-14 or āSecurity PIN Entryā
2. For information about how to view a list of all devices connected to your router (including
Adding Additional Non-WPS-Enabled Clients
If you are connecting a combination of WPS-enabled clients and clients that are not WPS enabled,
you cannot use the WPS setup procedures to add clients that are not WPS enabled.
To connect both non-WPS-enabled and WPS-enabled clients to the WNR2000 router:
1. Configure the settings of the WNR2000 router (shown in the Wireless Settings screen) for
When you change security settings, all existing connected wireless clients that do not share
those settings are disassociated and disconnected from the router.
2. For the non-WPS-enabled devices that you wish to connect, open the networking utility, and
follow the utilityās instructions to enter security settings.
clients share the same security settings (for more information, see āConfiguring the WPS
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4. For information about how to view a list of all devices connected to your router (including
Restricting Wireless Access by MAC Address
When a Wireless Card Access List is configured and enabled, the router checks the MAC address
of any wireless device attempting a connection and allows only connections to computers
identified on the trusted computers list.
The Wireless Card Access List displays a list of wireless computers that you allow to connect to
the router based on their MAC addresses. These wireless computers must also have the correct
SSID and wireless security settings to access the wireless router.
The MAC address is a network deviceās unique 12-character physical address, containing the
hexadecimal characters 0ā9, aāf, or AāF only, and separated by colons (for example,
00:09:AB:CD:EF:01). It can usually be found on the bottom of the wireless card or network
interface device. If you do not have access to the physical label, you can display the MAC address
using the network configuration utilities of the computer. In WindowsXP, for example, typing the
ipconfig/all command in an MSDOS command prompt window displays the MAC address as
Physical Address. You might also find the MAC addresses in the routerās Attached Devices screen.
To restrict access based on MAC addresses:
1. Select Wireless Settings under Advanced in the main menu.
2. In the Advanced Wireless Settings screen, click Setup Access List to display the Wireless
Card Access List.
Figure 2-11
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3. Click Add to add a wireless device to the wireless access control list. The Wireless Card
Access Setup screen opens and displays a list of currently active wireless cards and their
Ethernet MAC addresses.
Figure 2-12
4. If the computer you want appears in the Available Wireless Cards list, you can select the radio
button of that computer to capture its MAC address; otherwise, you can manually enter a name
and the MAC address of the authorized computer. You can usually find the MAC address on
the bottom of the wireless device.
Tip: You can copy and paste the MAC addresses from the routerās Attached Devices
screen into the MAC Address field of this screen. To do this, configure each
wireless computer to obtain a wireless link to the router. The computer should
then appear in the Attached Devices screen.
5. Click Add to add this wireless device to the Wireless Card Access List. The screen changes
back to the list screen.
6. Repeat step 3 through step 5 for each additional device you want to add to the list.
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7. Select the Turn Access Control On check box.
Note: When configuring the router from a wireless computer whose MAC address is
not in the Trusted PC list, if you select Turn Access Control On, you lose
your wireless connection when you click Apply. You must then access the
wireless router from a wired computer or from a wireless computer that is on
the access control list to make any further changes.
8. Click Apply to save your Wireless Card Access List settings.
Now, only devices on this list can wirelessly connect to the WNR2000 router.
Warning: MAC address filtering adds an obstacle against unwanted access to your
network by the general public. However, because your trusted MAC
addresses appear in your wireless transmissions, an intruder can read them
and impersonate them. Do not rely on MAC address filtering alone to
secure your network.
Changing the Administrator Password
The default password for the routerās Web Configuration Manager is password. NETGEAR
recommends that you change this password to a more secure password.
Tip: Before changing the router password, back up your configuration settings with the
default password of password. If you save the settings with a new password, and
then you later forget the new password, you will have to reset the router back to the
factory defaults, and log in using the default password of password. This means you
will have to re-enter all the router configuration settings. For information about how
to back up your settings, see āBacking Up and Restoring the Configurationā on
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To change the administrator password:
1. On the main menu, under Maintenance, select Set Password to display the Set Password
screen.
Figure 2-13
2. To change the password, first enter the old password, then enter the new password twice.
3. Click Apply.
Backing Up Your Configuration
The configuration settings of the WNR2000 router are stored within the router in a configuration
file. You can back up (save) this file and retrieve it later. NETGEAR recommends that you save
your configuration file after you complete the configuration. If the router fails or becomes
corrupted, or an administrator password is lost, you can easily re-create your configuration by
restoring the configuration file.
For instructions on saving and restoring your configuration file, see āManaging the Configuration
Tip: Before saving your configuration file, change the administrator password to the
default, password. Then change it again after you have saved the configuration file.
If you save the file with a new password, and then you later forget the new
password, you will have to reset the router back to the factory defaults and log in
using the default password of password. This means you will have to re-enter all the
router configuration settings.
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Understanding Your Firewall
Your Wireless-N Router Model WNR2000 contains a true firewall to protect your network from
attacks and intrusions. A firewall is a device that protects one network from another while
allowing communication between the two. Using a process called Stateful Packet Inspection, the
firewall analyzes all inbound and outbound traffic to determine whether or not it will be allowed to
pass through.
By default, the firewall allows any outbound traffic and prohibits any inbound traffic except for
responses to your outbound traffic. However, you can modify the firewallās rules to achieve the
following behavior:
ā¢
Blocking sites. Block access from your network to certain Web locations based on Web
addresses and Web address keywords. This feature is described in āBlocking Access to
ā¢
ā¢
ā¢
Blocking services. Block the use of certain Internet services by specific computers on your
Scheduled blocking. Block sites and services according to a daily schedule. This feature is
Allow inbound access to your server. To allow inbound access to resources on your local
network (for example, a Web server or remote desktop program), you can open the needed
services by configuring port forwarding as described in āAllowing Inbound Connections to
ā¢
Allow certain games and applications to function correctly. Some games and applications
need to allow additional inbound traffic in order to function. Port triggering can dynamically
allow additional service connections, as described in āConfiguring Port Triggeringā on
page 5-9. Another feature to solve application conflicts with the firewall is Universal Plug and
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Chapter 3
Restricting Access From Your Network
This chapter describes how to use the content filtering and reporting features of the Wireless-N
Router Model WNR2000 to protect your network.
This chapter includes the following sections:
ā¢
ā¢
ā¢
ā¢
ā¢
ā¢
ā¢
Content Filtering Overview
The Wireless-N Router Model WNR2000 provides you with Web content filtering options, plus
browser activity reporting and instant alerts through e-mail. Parents and network administrators
can establish restricted access policies based on time of day, Web addresses, and Web address
keywords. You can also block Internet access by applications and services, such as chat rooms or
games.
Blocking Access to Internet Sites
The WNR2000 router allows you to restrict access based on Web addresses and Web address
keywords. Up to 255 entries are supported in the Keyword list.
Keyword application examples:
ā¢
ā¢
If the keyword XXX is specified, the URL www.zzzyyqq.com/xxx.html is blocked.
If the keyword .com is specified, only websites with other domain suffixes (such as .edu, .org,
or .gov) can be viewed.
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To block access to Internet sites:
1. Select Block Sites under Content Filtering in the main menu. The Block Sites screen displays.
Figure 3-1
2. Enable keyword blocking by selecting either Per Schedule or Always.
To block by schedule, be sure to specify a time period in the Schedule screen. For information
Block all access to Internet browsing during a scheduled period by entering a dot (.) as the
keyword, and then set a schedule in the Schedule screen.
3. Add a keyword or domain by entering it in the keyword field and clicking Add Keyword. The
keyword or domain name then appears the Block sites containing these keywords or domain
names list.
Delete a keyword or domain name by selecting it from the list and clicking Delete Keyword.
4. You can specify one trusted user, which is a computer that is exempt from blocking and
logging. Specify a trusted user by entering that computerās IP address in the Trusted IP
Address fields.
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Since the trusted user is identified by IP address, you should configure that computer with a
fixed IP address.
5. Click Apply to save all your settings in the Block Sites screen.
Blocking Access to Internet Services
The WNR2000 router allows you to block the use of certain Internet services by computers on
your network. This is called service blocking or port filtering. Services are functions performed by
server computers at the request of client computers. For example, Web servers serve Web pages,
time servers serve time and date information, and game hosts serve data about other playersā
moves. When a computer on your network sends a request for service to a server computer on the
Internet, the requested service is identified by a service or port number. This number appears as the
destination port number in the transmitted IP packets. For example, a packet that is sent with
destination port number 80 is an HTTP (Web server) request.
To block access to Internet services:
1. Select Block Services under Content Filtering in the main menu. The Block Services screen
displays.
Figure 3-2
2. Enable service blocking by selecting either Per Schedule or Always, and then click Apply.
To block by schedule, be sure to specify a time period in the Schedule screen. For information
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3. Specify a service for blocking by clicking Add. The Block Services Setup screen displays.
Figure 3-3
4. From the Service Type list, select the application or service to be allowed or blocked. The list
already displays several common services, but you are not limited to these choices. To add any
additional services or applications that do not already appear, select User Defined. To define a
service, first you must determine which port number or range of numbers is used by the
application. The service port numbers for many common protocols are defined by the Internet
Engineering Task Force (IETF) and published in RFC1700, āAssigned Numbers.ā Service
numbers for other applications are typically chosen from the range 1024 to 65535 by the
authors of the application. You can often determine port number information by contacting the
publisher of the application, by asking user groups or newsgroups, or by searching.
ā
Enter the starting port and ending port numbers. If the application uses a single port
number, enter that number in both fields.
ā
If you know that the application uses either TCP or UDP, select the appropriate protocol. If
you are not sure, select Both.
5. Select the radio button for the IP address configuration you want to block, and then enter the
IP addresses in the appropriate fields.
6. Click Add to enable your Block Services Setup selections.
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Blocking Services by IP Address Range
In the Filter Services For area, you can block the specified service for a single computer, a range of
computers (having consecutive IP addresses), or all computers on your network.
Scheduling Blocking
The WNR2000 router allows you to specify when blocking is enforced.
To schedule blocking:
1. Select Schedule under Content Filtering in the main menu. The Schedule screen displays.
Figure 3-4
2. Configure the schedule for blocking keywords and services.
a. Days to Block. Select days on which you want to apply blocking by selecting the
appropriate check boxes. Select Every Day to select the check boxes for all days. Click
Apply.
b. Time of Day to Block. Select a start and end time in 24-hour format. Select All Day for
24-hour blocking. Click Apply.
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Be sure to select your time zone in the E-mail screen as described in āSetting the Time Zoneā
3. Click Apply to save your settings.
Viewing Logs of Web Access or Attempted Web Access
The log is a detailed record of the websites you have accessed or attempted to access. Up to
128 entries are stored in the log. Log entries appear only when keyword blocking is enabled and no
log entries are made for the trusted user.
Select Logs under Content Filtering in the main menu. The Logs screen displays.
Figure 3-5
Table 3-1 describes the log entries.
Table 3-1. Log Entry Descriptions
Field
Description
Date and time
Source IP
The date and time the log entry was recorded.
The IP address of the initiating device for this log entry.
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Table 3-1. Log Entry Descriptions
Field
Description
Target address
The name or IP address of the website or newsgroup
visited or to which access was attempted.
Action
Whether the access was blocked or allowed.
To refresh the log screen, click the Refresh button.
To clear the log entries, click the Clear Log button.
To e-mail the log immediately, click the Send Log button.
Configuring E-mail Alert and Web Access Log Notifications
To receive logs and alerts by e-mail, you must provide your e-mail account information.
To configure e-mail alert and web access log notifications:
1. Select E-mail under Content Filtering in the main menu. The E-mail screen displays.
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Figure 3-6
2. To receive e-mail logs and alerts from the router, select the Turn E-mail Notification On
check box.
a. Enter the name of your ISPās outgoing (SMTP) mail server (such as mail.myISP.com) in
the Your Outgoing Mail Server field. You might be able to find this information in the
configuration screen of your e-mail program. If you leave this field blank, log and alert
messages will not be sent by e-mail.
b. Enter the e-mail address to which logs and alerts are sent in the Send To This E-mail
Address field. This e-mail address will also be used as the From address. If you leave this
field blank, log and alert messages will not be sent by e-mail.
3. If your e-mail server requires authentication, select the My Mail Server requires
authentication check box.
a. Enter your user name for the e-mail server in the User Name field.
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b. Enter your password for the e-mail server in the Password field.
4. You can specify that logs are automatically sent by e-mail with these options:
ā¢
Send alert immediately. Select this check box for immediate notification of attempted
access to a blocked site or service.
ā¢
Send Logs According to this Schedule. Specifies how often to send the logs: Hourly,
Daily, Weekly, or When Full.
ā
ā
Day. Specifies which day of the week to send the log. Relevant when the log is sent
weekly or daily.
Time. Specifies the time of day to send the log. Relevant when the log is sent daily or
weekly.
If you select the Weekly, Daily, or Hourly option and the log fills up before the specified
period, the log is automatically e-mailed to the specified e-mail address. After the log is sent,
the log is cleared from the routerās memory. If the router cannot e-mail the log file, the log
buffer might fill up. In this case, the router overwrites the log and discards its contents.
5. Click Apply to save your settings.
So that the log entries are correctly time-stamped and sent at the correct time, be sure to set the
time as described in the next section.
Setting the Time Zone
The WNR2000 router uses the Network Time Protocol (NTP) to obtain the current time and date
from one of several network time servers on the Internet. Localize the time zone so that your log
entries and other router functions include the correct time stamp.
To verify and set the time zone (see Figure 3-6 on page 3-8):
ā¢
Time Zone. To select your local time zone, use the drop-down list. This setting is used for the
blocking schedule and for time-stamping log entries.
ā¢
Automatically Adjust for Daylight Savings Time. If your region supports daylight savings
time, select this check box . The router will automatically adjust the time at the start and end of
the daylight savings time period.
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Chapter 4
Customizing Your Network Settings
This chapter describes how to configure advanced networking features of the
Wireless-N Router Model WNR2000, including LAN, WAN, and routing settings.
It contains the following sections:
ā¢
ā¢
ā¢
ā¢
Using the LAN IP Setup Options
The LAN Setup screen allows configuration of LAN IP services such as Dynamic Host
Configuration Protocol (DHCP) and Routing Information Protocol (RIP).
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To configure LAN IP settings, select LAN Setup under Advanced in the main menu. The LAN
Setup screen displays.
Figure 4-1
Configuring a Device Name
The device name is a user-friendly name for the router. This name is shown in the Network on
Windows Vista and the Network Explorer on all Windows systems. The Device Name field cannot
be blank. The default name is WNR2000.
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Configuring LAN TCP/IP Setup Parameters
These are advanced settings that you might configure if you are a network administrator and your
network contains multiple routers. The router is shipped preconfigured to use private IP addresses
on the LAN side and to act as a DHCP server (see āUsing the Router as a DHCP Serverā on
page 4-4).
Note: If you change the LAN IP address of the router while connected through the
browser, you will be disconnected. You must then open a new connection to the
new IP address and log in again.
The routerās default LAN IP configuration is:
ā¢
ā¢
LAN IP address. 192.168.1.1
Subnet mask. 255.255.255.0
These addresses are part of the designated private address range for use in private networks and
should be suitable for most applications. If your network has a requirement to use a different IP
addressing scheme, you can make those changes in this screen.
The LAN IP settings are:
ā¢
ā¢
IP Address. The LAN IP address of the router.
IP Subnet Mask. The LAN subnet mask of the router. Combined with the IP address, the IP
subnet mask allows a device to know which other addresses are local to it, and which must be
reached through a gateway or router.
ā¢
ā¢
RIP Direction. RIP allows a router to exchange routing information with other routers. The
RIP Direction selection controls how the router sends and receives RIP packets. Both is the
default.
ā
ā
When set to Both or In Only, the router incorporates the RIP information that it receives.
When set to Both or Out Only, the router broadcasts its routing table periodically.
RIP Version. This controls the format and the broadcasting method of the RIP packets sent by
the router. (It recognizes both formats when receiving.) The default setting is Disabled.
ā
RIP-1 is universally supported. RIP-1 is usually adequate unless you have an unusual
network setup.
ā
ā
RIP-2B carries more information than RIP-1 and uses subnet broadcasting.
RIP-2M carries more information than RIP-1 and uses multicasting.
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Using the Router as a DHCP Server
By default, the router functions as a DHCP server, allowing it to assign IP, DNS server, and default
gateway addresses to all computers connected to the routerās LAN. The assigned default gateway
address is the LAN address of the router. The router assigns IP addresses to the attached computers
from a pool of addresses specified in this screen. Each pool address is tested before it is assigned to
avoid duplicate addresses on the LAN.
Note: For most applications, the default DHCP and TCP/IP settings of the router are
satisfactory. Click the link to the online document āTCP/IP Networking Basicsā in
Appendix B for an explanation of DHCP and information about how to assign IP
addresses for your network.
To specify a pool of IP addresses to be assigned, set the starting IP address and ending IP address.
These addresses should be part of the same IP address subnet as the routerās LAN IP address.
Using the default addressing scheme, you should define a range between 192.168.1.2 and
192.168.1.254, although you might wish to save part of the range for devices with fixed addresses.
The router delivers the following parameters to any LAN device that requests DHCP:
ā¢
ā¢
ā¢
ā¢
An IP address from the range you have defined
Subnet mask
Gateway IP address (the routerās LAN IP address)
Primary DNS server (if you entered a primary DNS address in the Basic Settings screen;
otherwise, the routerās LAN IP address)
ā¢
Secondary DNS server (if you entered a secondary DNS address in the Basic Settings screen)
To use another device on your network as the DHCP server, or to manually specify the network
settings of all of your computers, clear the Use Router as DHCP Server check box. Otherwise,
leave it selected. If this service is not selected and no other DHCP server is available on your
network, you need to set your computersā IP addresses manually or they will not be able to access
the router.
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Using Address Reservation
When you specify a reserved IP address for a computer on the LAN, that computer always
receives the same IP address each time it accesses the routerās DHCP server. Reserved IP
addresses should be assigned to computers or servers that require permanent IP settings.
Figure 4-2
To reserve an IP address:
1. Click Add.
2. In the IP Address field, enter the IP address to assign to the computer or server. (Choose an IP
address from the routerās LAN subnet, such as 192.168.1.x.)
3. Enter the MAC address of the computer or server.
Tip: If the computer is already present on your network, you can copy its MAC
address from the Attached Devices screen and paste it here.
4. Click Apply to enter the reserved address into the table.
Note: The reserved address is not assigned until the next time the computer contacts
the routerās DHCP server. Reboot the computer or access its IP configuration
and force a DHCP release and renew.
To edit or delete a reserved address entry:
1. Click the button next to the reserved address you want to edit or delete.
2. Click Edit or Delete.
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Using a Dynamic DNS Service
If your Internet Service Provider (ISP) gave you a permanently assigned IP address, you can
register a domain name and have that name linked with your IP address by public Domain Name
Servers (DNS). However, if your Internet account uses a dynamically assigned IP address, you do
not know in advance what your IP address will be, and the address can change frequently. In this
case, you can use a commercial Dynamic DNS service, which allows you to register your domain
to their IP address, and forwards traffic directed at your domain to your frequently changing IP
address.
Note: If your ISP assigns a private WAN IP address (such as 192.168.x.x or 10.x.x.x), the
Dynamic DNS service will not work because private addresses are not routed on
the Internet.
Your router contains a client that can connect to the Dynamic DNS service provided by
name, which you specify in the router. Then, whenever your ISP-assigned IP address changes,
your router automatically contacts the Dynamic DNS service provider, logs in to your account, and
registers your new IP address. If your host name is hostname, for example, you can reach your
router at hostname.dyndns.org.
Select Dynamic DNS under Advanced in the main menu. The Dynamic DNS screen displays.
Figure 4-3
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To configure for a Dynamic DNS service:
1. Register for an account with one of the Dynamic DNS service providers whose names appear
in the Service Provider list. For example, for DynDNS.org, select www.dynDNS.org.
2. Select the Use a Dynamic DNS Service check box.
3. Select the name of your Dynamic DNS service provider.
4. Enter the host name (or domain name) that your Dynamic DNS service provider gave you.
5. Enter the user name for your Dynamic DNS account. This is the name that you use to log in to
your account, not your host name.
6. Enter the password (or key) for your Dynamic DNS account.
7. If your Dynamic DNS provider allows the use of wildcards in resolving your URL, you can
select the Use Wildcards check box to activate this feature.
For example, the wildcard feature causes *.yourhost.dyndns.org to be aliased to the same IP
address as yourhost.dyndns.org.
8. Click Apply to save your configuration.
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Configuring the WAN Setup Options
The WAN Setup options let you configure a DMZ (demilitarized zone) server, change the
Maximum Transmit Unit (MTU) size, and enable the wireless router to respond to a ping on the
WAN (Internet) port. Select WAN Setup under Advanced in the main menu. The WAN Setup
screen displays.
Figure 4-4
Disabling the SPI Firewall
The Stateful Packet Inspection (SPI) firewall protects your network and computers against attacks
and intrusions. A stateful packet firewall carefully inspects incoming traffic packets, looking for
known exploits such as malformed, oversized, or out-of-sequence packets. The firewall should be
disabled only in special circumstances, such as when you are troubleshooting application issues.
Setting Up a Default DMZ Server
The default DMZ server feature is helpful when you are using some online games and
videoconferencing applications that are incompatible with Network Address Translation (NAT).
The router is programmed to recognize some of these applications and to work correctly with
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them, but there are other applications that might not function well. In some cases, one local
computer can run the application correctly if that computerās IP address is entered as the default
DMZ server.
Warning: DMZ servers pose a security risk. A computer designated as the default DMZ
server loses much of the protection of the firewall, and is exposed to exploits
from the Internet. If compromised, the DMZ server computer can be used to
attack other computers on your network.
Incoming traffic from the Internet is usually discarded by the router unless the traffic is a response
to one of your local computers or a service that you have configured in the Port Forwarding/Port
Triggering screen. Instead of discarding this traffic, you can have it forwarded to one computer on
your network. This computer is called the default DMZ server.
The WAN Setup screen lets you configure a default DMZ server.
To assign a computer or server to be a default DMZ server:
1. Select the Default DMZ Server check box.
2. In the Default DMZ Server fields, enter the IP address for that computer or server.
3. Click Apply.
Responding to a Ping on the Internet (WAN) Port
If you want the router to respond to a ping from the Internet, select the Respond to Ping on
Internet Port check box. This should be used only as a diagnostic tool, since it allows your router
to be discovered by Internet scanners. Do not select this check box unless you have a specific
reason to do so, such as when troubleshooting your connection.
Setting the MTU Size
The normal MTU value for most Ethernet networks is 1500 bytes, 1492 bytes for PPPoE
connections, or 1450 for PPTP connections. For some ISPs, you might need to reduce the MTU
size, but this is rarely required and should not be done unless you are sure it is necessary for your
To change the MTU size:
1. In the MTU Size field, enter a new size between 64 and 1500.
2. Click Apply to save the new configuration.
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Configuring NAT Filtering
Network Address Translation (NAT) determines how the router processes inbound traffic. Secured
NAT provides a secured firewall to protect the computers on the LAN from attacks from the
Internet, but might prevent some Internet games, point-to-point applications, or multimedia
applications from functioning. Open NAT provides a much less secured firewall, but allows almost
To change the NAT option:
1. In the NAT Filtering area, select either the Secured or the Open radio button.
2. Click Apply to save the new configuration.
Configuring Static Routes
Static routes provide additional routing information to your router. Under usual circumstances, the
router has adequate routing information after it has been configured for Internet access, and you do
not need to configure additional static routes. You must configure static routes only for unusual
cases such as multiple routers or multiple IP subnets located on your network.
As an example of when a static route is needed, consider the following case:
ā¢
ā¢
Your primary Internet access is through a cable modem to an ISP.
You have an ISDN router on your home network for connecting to the company where you are
employed. This routerās address on your LAN is 192.168.1.100.
ā¢
Your companyās network address is 134.177.0.0.
When you first configured your router, two implicit static routes were created. A default route was
created with your ISP as the gateway, and a second static route was created to your local network
for all 192.168.1.x addresses. With this configuration, if you attempt to access a device on the
134.177.0.0 network, your router forwards your request to the ISP. The ISP forwards your request
to the company where you are employed, and the request is likely to be denied by the companyās
firewall.
In this case you must define a static route, telling your router that 134.177.0.0 should be accessed
through the ISDN router at 192.168.1.100.
In this example:
ā¢
The Destination IP Address and IP Subnet Mask fields specify that this static route applies
to all 134.177.x.x addresses.
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ā¢
The Gateway IP Address field specifies that all traffic for these addresses should be
forwarded to the ISDN router at 192.168.1.100.
ā¢
ā¢
A Metric value of 1 will work since the ISDN router is on the LAN.
Private is selected only as a precautionary security measure in case RIP is activated.
To add or edit a static route:
1. Select Static Routes under Advanced in the main menu. The Static Routes screen displays.
Figure 4-5
2. Click Add to expand the Static Routes screen.
Figure 4-6
3. In the Route Name field, enter a name for this static route. (This is for identification purposes
only.)
4. Select the Private check box if you want to limit access to the LAN only. If Private is selected,
the static route is not reported in RIP.
5. Select the Active check box to make this route effective.
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6. In the Destination IP Address field, enter the IP address of the final destination.
7. In the IP Subnet Mask field, enter the IP subnet mask for this destination.
If the destination is a single host, enter 255.255.255.255.
8. In the Gateway IP Address field, enter the gateway IP address, which must be a router on the
same LAN segment as the WNR2000 router.
9. In the Metric field, enter a number between 1 and 15 as the metric value.
This represents the number of routers between your network and the destination. Usually, a
setting of 2 or 3 works, but if this is a direct connection, set it to 1.
10. Click Apply to have the static route entered into the table.
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Chapter 5
Fine-Tuning Your Network
This chapter describes how to modify the configuration of the Wireless-N Router Model
WNR2000 to allow specific applications to access the Internet or to be accessed from the Internet,
and how to make adjustments to enhance your networkās performance.
This chapter includes the following sections:
ā¢
ā¢
ā¢
ā¢
ā¢
ā¢
ā¢
Allowing Inbound Connections to Your Network
By default, the WNR2000 router blocks any inbound traffic from the Internet to your computers
except for replies to your outbound traffic. However, you might need to create exceptions to this
rule for the following purposes:
ā¢
ā¢
To allow remote computers on the Internet to access a server on your local network.
To allow certain applications and games to work correctly when their replies are not
recognized by your router.
Your router provides two features for creating these exceptions: port forwarding and port
triggering. This section explains how a normal outbound connection works, followed by two
examples explaining how port forwarding and port triggering operate and how they differ.
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How Your Computer Accesses a Remote Computer through Your
Router
When a computer on your network needs to access a computer on the Internet, your computer
sends your router a message containing source and destination address and process information.
Before forwarding your message to the remote computer, your router must modify the source
information and must create and track the communication session so that replies can be routed
back to your computer.
Here is an example of normal outbound traffic and the resulting inbound responses:
1. You open Internet Explorer, beginning a browser session on your computer. Invisible to you,
your operating system assigns a service number (port number) to every communication
process running on your computer. In this example, letās say Windows assigns port number
5678 to this browser session.
2. You ask your browser to get a Web page from the Web server at www.example.com. Your
computer composes a Web page request message with the following address and
port information:
ā¢
ā¢
ā¢
The source address is your computerās IP address.
The source port number is 5678, the browser session.
The destination address is the IP address of www.example.com, which your computer
finds by asking a DNS server.
ā¢
The destination port number is 80, the standard port number for a Web server process.
Your computer then sends this request message to your router.
3. Your router creates an entry in its internal session table describing this communication session
between your computer and the Web server at www.example.com. Before sending the Web
page request message to www.example.com, your router stores the original information and
then modifies the source information in the request message, performing Network Address
Translation (NAT):
ā¢
The source address is replaced with your routerās public IP address.
This is necessary because your computer uses a private IP address that is not globally
unique and cannot be used on the Internet.
ā¢
The source port number is changed to a number chosen by the router, such as 33333. This
is necessary because two computers could independently be using the same session
number.
Your router then sends this request message through the Internet to the Web server at
www.example.com.
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4. The Web server at www.example.com composes a return message with the requested Web
page data. The return message contains the following address and port information:
ā¢
ā¢
ā¢
ā¢
The source address is the IP address of www.example.com.
The source port number is 80, the standard port number for a Web server process.
The destination address is the public IP address of your router.
The destination port number is 33333.
The Web server then sends this reply message to your router.
5. Upon receiving the incoming message, your router checks its session table to determine
whether there is an active session for port number 33333. Finding an active session, the router
then modifies the message, restoring the original address information replaced by NAT. The
message now contains the following address and port information:
ā¢
ā¢
ā¢
ā¢
The source address is the IP address of www.example.com.
The source port number is 80, the standard port number for a Web server process.
The destination address is your computerās IP address.
The destination port number is 5678, the browser session that made the initial request.
Your router then sends this reply message to your computer, which displays the Web page
from www.example.com.
6. When you finish your browser session, your router eventually senses a period of inactivity in
the communications. Your router then removes the session information from its session table,
and incoming traffic is no longer accepted on port number 33333.
How Port Triggering Changes the Communication Process
In the preceding example, requests are sent to a remote computer by your router from a particular
service port number, and replies from the remote computer to your router are directed to that port
number. If the remote server sends a reply back to a different port number, your router will not
recognize it and will discard it. However, some application servers (such as FTP and IRC servers)
send replies back to multiple port numbers. Using the port triggering function of your router, you
can tell the router to open additional incoming ports when a particular outgoing port originates
a session.
An example is Internet Relay Chat (IRC). Your computer connects to an IRC server at destination
port 6667. The IRC server not only responds to your originating source port, but also sends an
āidentifyā message to your computer on port 113. Using port triggering, you can tell the router,
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āWhen you initiate a session with destination port 6667, you must also allow incoming traffic on
port 113 to reach the originating computer.ā Using steps similar to the preceding example, the
following sequence shows the effects of the port triggering rule you have defined:
1. You open an IRC client program, beginning a chat session on your computer.
2. Your IRC client composes a request message to an IRC server using a destination port number
of 6667, the standard port number for an IRC server process. Your computer then sends this
request message to your router.
3. Your router creates an entry in its internal session table describing this communication session
between your computer and the IRC server. Your router stores the original information,
performs Network Address Translation (NAT) on the source address and port, and sends this
request message through the Internet to the IRC server.
4. Noting your port triggering rule, and having observed the destination port number of 6667,
your router creates an additional session entry to send any incoming port 113 traffic to your
computer.
5. The IRC server sends a return message to your router using the NAT-assigned source port (as
in the previous example, letās say port 33333) as the destination port. The IRC server also
sends an āidentifyā message to your router with destination port 113.
6. Upon receiving the incoming message to destination port 33333, your router checks its session
table to determine whether there is an active session for port number 33333. Finding an active
session, the router restores the original address information replaced by NAT and sends this
reply message to your computer.
7. Upon receiving the incoming message to destination port 113, your router checks its session
table and learns that there is an active session for port 113, associated with your computer. The
router replaces the messageās destination IP address with your computerās IP address and
forwards the message to your computer.
8. When you finish your chat session, your router eventually senses a period of inactivity in the
communications. The router then removes the session information from its session table, and
incoming traffic is no longer accepted on port numbers 33333 or 113.
To configure port triggering, you need to know which inbound ports the application needs. Also,
you need to know the number of the outbound port that will trigger the opening of the inbound
ports. You can usually determine this information by contacting the publisher of the application, or
user groups or newsgroups.
Note: Only one computer at a time can use the triggered application.
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How Port Forwarding Changes the Communication Process
In both of the preceding examples, your computer initiates an application session with a server
computer on the Internet. However, you might need to allow a client computer on the Internet to
initiate a connection to a server computer on your network. Normally, your router ignores any
inbound traffic that is not a response to your own outbound traffic. You can configure exceptions
to this default rule by using the port forwarding feature.
A typical application of port forwarding can be shown by reversing the client-server relationship
from our previous Web server example. In this case, a remote computerās browser needs to access
a Web server running on a computer in your local network. Using port forwarding, you can tell the
router, āWhen you receive incoming traffic on port 80 (the standard port number for a Web server
process), forward it to the local computer at 192.168.1.123.ā The following sequence shows the
effects of the port forwarding rule you have defined:
1. The user of a remote computer opens Internet Explorer and requests a Web page from
www.example.com, which resolves to the public IP address of your router. The remote
computer composes a Web page request message with the following destination information:
ā¢
The destination address is the IP address of www.example.com, which is the address of
your router.
ā¢
The destination port number is 80, the standard port number for a Web server process.
The remote computer then sends this request message through the Internet to your router.
2. Your router receives the request message and looks in its rules table for any rules covering the
disposition of incoming port 80 traffic. Your port forwarding rule specifies that incoming port
80 traffic should be forwarded to local IP address 192.168.1.123. Therefore, your router
modifies the destination information in the request message:
The destination address is replaced with 192.168.1.123.
Your router then sends this request message to your local network.
3. Your Web server at 192.168.1.123 receives the request and composes a return message with
the requested Web page data. Your Web server then sends this reply message to your router.
4. Your router performs Network Address Translation (NAT) on the source IP address, and sends
this request message through the Internet to the remote computer, which displays the Web
page from www.example.com.
To configure port forwarding, you need to know which inbound ports the application needs. You
usually can determine this information by contacting the publisher of the application or user
groups or newsgroups.
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How Port Forwarding Differs from Port Triggering
The following points summarize the differences between port forwarding and port triggering:
ā¢
Port triggering can be used by any computer on your network, although only one computer can
use it at a time.
ā¢
ā¢
Port forwarding is configured for a single computer on your network.
Port triggering does not need to know the computerās IP address in advance. The IP address is
captured automatically.
ā¢
ā¢
ā¢
Port forwarding requires that you specify the computerās IP address during configuration, and
the IP address must never change.
Port triggering requires specific outbound traffic to open the inbound ports, and the triggered
ports are closed after a period of no activity.
Port forwarding is always active and does not need to be triggered.
Configuring Port Forwarding to Local Servers
Using the port forwarding feature, you can allow certain types of incoming traffic to reach servers
on your local network. For example, you might make a local Web server, FTP server, or game
server visible and available to the Internet.
Use the Port Forwarding screen to configure the router to forward specific incoming protocols to
computers on your local network. In addition to servers for specific applications, you can also
specify a default DMZ server to which all other incoming protocols are forwarded. The DMZ
Before starting, you need to determine which type of service, application, or game you will
provide, and the local IP address of the computer that will provide the service. Be sure the
computerās IP address never changes.
Tip: To ensure that your server computer always has the same IP address, use the
reserved IP address feature of your WNR2000 router. See āUsing Address
Reservationā on page 4-5 for instructions on how to use reserved IP addresses.
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To configure port forwarding to a local server:
1. Select Port Forwarding/Port Triggering under Advanced in the main menu. The Port
Forwarding/Port Triggering screen displays.
Figure 5-1
2. From the Service Name list, select the service or game that you will host on your network.
If the service does not appear in the list, see the following section, āAdding a Custom
Service.ā
3. In the corresponding Server IP Address fields, enter the last digit of the IP address of your
local computer that will provide this service.
4. To the right of Server IP Address, click Add. The service appears in the list in the screen.
Adding a Custom Service
To define a service, game, or application that does not appear in the Service Name list, you must
first determine which port number or range of numbers is used by the application. You can usually
determine this information by contacting the publisher of the application or user groups or
newsgroups. When you have the port number information, follow these steps:
1. Select Port Forwarding/Port Triggering under Advanced in the main menu.
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2. Click Add Service (see Figure 5-1 on page 5-7).The PortsāCustom Services screen displays.
Figure 5-2
3. In the Service Name field, enter a descriptive name.
4. In the Service Type field, select the protocol. If you are unsure, select TCP/UDP.
5. In the Starting Port field, enter the beginning port number.
ā¢
If the application uses only a single port, enter the same port number in the Ending Port
field.
ā¢
If the application uses a range of ports, enter the ending port number of the range in the
Ending Port field.
6. In the Server IP Address field, enter the IP address of your local computer that will provide
this service.
7. Click Apply. The service appears in the list in the Port Forwarding/Port Triggering screen.
Editing or Deleting a Port Forwarding Entry
To edit or delete a port forwarding entry:
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1. In the table, select the button next to the service name.
Figure 5-3
2. Click Edit Service or Delete Service to make changes.
3. Click Apply.
Application Example: Making a Local Web Server Public
If you host a Web server on your local network, you can use port forwarding to allow Web requests
from anyone on the Internet to reach your Web server.
To make a local Web server public:
1. Assign your Web server either a fixed IP address or a dynamic IP address using DHCP address
router will always give your Web server an IP address of 192.168.1.33.
2. In the Port Forwarding screen, configure the router to forward the HTTP service to the local
address of your Web server at 192.168.1.33.
HTTP (port 80) is the standard protocol for Web servers.
3. (Optional) Register a host name with a Dynamic DNS service, and configure your router to
To access your Web server from the Internet, a remote user must know the IP address that has
been assigned by your ISP. However, if you use a Dynamic DNS service, the remote user can
reach your server by a user-friendly Internet name, such as mynetgear.dyndns.org.
Configuring Port Triggering
Port triggering is a dynamic extension of port forwarding that is useful in these cases:
ā¢
More than one local computer needs port forwarding for the same application (but not
simultaneously).
ā¢
An application needs to open incoming ports that are different from the outgoing port.
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When port triggering is enabled, the router monitors outbound traffic looking for a specified
outbound ātriggerā port. When the router detects outbound traffic on that port, it remembers the IP
address of the local computer that sent the data. The router then temporarily opens the specified
incoming port or ports, and forwards incoming traffic on the triggered ports to the triggering
computer.
While port forwarding creates a static mapping of a port number or range to a single local
computer, port triggering can dynamically open ports to any computer that needs them and can
close the ports when they are no longer needed.
Note: If you use applications such as multiplayer gaming, peer-to-peer connections, real-
time communications such as instant messaging, or remote assistance (a feature in
Windows XP), you should also enable Universal Plug and Play (UPnP) according
To configure port triggering, you need to know which inbound ports the application needs. Also,
you need to know the number of the outbound port that will trigger the opening of the inbound
ports. You can usually determine this information by contacting the publisher of the application or
user groups or newsgroups.
To set up port triggering:
1. Select Port Forwarding/Port Triggering under Advanced in the main menu. The
Forwarding/Port Triggering screen displays (see Figure 5-1 on page 5-7).
2. Select the Port Triggering radio button. The port triggering information displays.
Figure 5-4
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3. Clear the Disable Port Triggering check box.
Note: If the Disable Port Triggering check box is selected after you configure port
triggering, port triggering is disabled. However, any port triggering
configuration information you added to the router is retained even though it is
not used.
4. In the Port Triggering Timeout field, enter a value up to 9999 minutes. This value controls
the inactivity timer for the designated inbound ports. The inbound ports close when the
inactivity time expires. This is required because the router cannot be sure when the application
has terminated.
5. Click Add. the Port TriggeringāServices screen displays.
Figure 5-5
6. In the Service Name field, enter a descriptive service name.
7. In the Service User field, select Any (the default) to allow this service to be used by any
computer on the Internet. Otherwise, select Single address, and enter the IP address of one
computer to restrict the service to a particular computer.
8. Select the service type, either TCP or UDP.
9. In the Triggering Port field, enter the number of the outbound traffic port that will cause the
inbound ports to be opened.
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10. Enter the inbound connection port information in the Connection Type, Starting Port, and
Ending Port fields.
11. Click Apply. The service appears in the Port Triggering Portmap table.
Figure 5-6
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Using Universal Plug and Play
Universal Plug and Play (UPnP) helps devices, such as Internet appliances and computers, to
access the network and connect to other devices as needed. UPnP devices can automatically
discover the services from other registered UPnP devices on the network.
Note: If you use applications such as multiplayer gaming, peer-to-peer connections, real-
time communications such as instant messaging, or remote assistance (a feature in
Windows XP), you should enable UPnP.
To turn on Universal Plug and Play:
1. Select UPnP under Advanced the main menu. The UPnP screen displays.
Figure 5-7
2. The available settings and information displayed in this screen are:
ā¢
Turn UPnP On. UPnP can be enabled or disabled for automatic device configuration. The
default setting for UPnP is disabled. If this check box is not selected, the router does not
allow any device to automatically control the resources, such as port forwarding
(mapping) of the router.
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ā¢
Advertisement Period. The advertisement period is how often the router broadcasts its
UPnP information. This value can range from 1 to 1440 minutes. The default period is 30
minutes. Shorter durations ensure that control points have current device status at the
expense of additional network traffic. Longer durations might compromise the freshness
of the device status but can significantly reduce network traffic.
ā¢
Advertisement Time To Live. The time to live for the advertisement is measured in hops
(steps) for each UPnP packet sent. The time to live hop count is the number of steps a
broadcast packet is allowed to propagate for each UPnP advertisement before it
disappears. The number of hops can range from 1 to 255. The default value for the
advertisement time to live is 4 hops, which should be fine for most home networks. If you
notice that some devices are not being updated or reached correctly, then it might be
necessary to increase this value.
ā¢
UPnP Portmap Table. The UPnP Portmap Table displays the IP address of each UPnP
device that is currently accessing the router and which ports (Internal and External) that
device has opened. The UPnP Portmap Table also displays what type of port is open and
whether that port is still active for each IP address.
3. Click Apply to save your settings.
Optimizing Wireless Performance
The speed and operating distance or range of your wireless connection can vary significantly based
on the physical placement of the wireless router. You should choose a location for your router that
will maximize the network speed.
Note: Failure to follow these guidelines can result in significant performance degradation
or inability to wirelessly connect to the router. For complete range and
performance specifications, click the link to the online document āWireless
The following list describes how to optimize wireless router performance.
ā¢
Identify critical wireless links.
If your network has several wireless devices, decide which wireless devices need the highest
data rate, and locate the router near them. Many wireless products have automatic data-rate
fallback, which allows increased distances without loss of connectivity. This also means that
devices that are farther away might be slower. Therefore, the most critical links in your
network are those where the traffic is high and the distances are great. Optimize those first.
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ā¢
Choose placement carefully.
For best results, place your router:
ā
ā
Near the center of the area in which your computers will operate.
In an elevated location such as a high shelf where the wirelessly connected computers
have line-of-sight access (even if through walls).
ā
ā
Avoid obstacles to wireless signals.
Keep wireless devices at least 2 feet from large metal fixtures such as file cabinets,
refrigerators, pipes, metal ceilings, reinforced concrete, and metal partitions.
ā
Keep away from large amounts of water such as fish tanks and water coolers.
ā¢
Reduce interference.
ā
ā
Avoid windows unless communicating between buildings.
Place wireless devices away from various electromagnetic noise sources, especially those
in the 2400ā2500 MHz frequency band. Common noise-creating sources are:
ā¢
ā¢
ā¢
Computers and fax machines (no closer than 1 foot)
Copying machines, elevators, and cell phones (no closer than 6 feet)
Microwave ovens (no closer than 10 feet)
ā¢
Choose your settings.
ā
Use a scanning utility to determine what other wireless networks are operating nearby, and
choose an unused channel.
ā
Turn off SSID broadcast, and change the default SSID. Other nearby devices might
automatically try to connect to your network several times a second, which can cause
significant performance reduction.
ā¢
Use WMM to improve the performance of voice and video traffic over the wireless link.
Changing the MTU Size
The Maximum Transmission Unit (MTU) is the largest data packet a network device transmits.
When one network device communicates across the Internet with another, the data packets travel
through many devices along the way. If any device in the data path has a lower MTU setting than
the other devices, the data packets must be split or āfragmentedā to accommodate the one with the
smallest MTU.
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The best MTU setting for NETGEAR equipment is often just the default value, and changing the
value might fix one problem but cause another. Leave MTU unchanged unless one of these
situations occurs:
ā¢
You have problems connecting to your ISP, or other Internet service, and either the technical
support of the ISP or of NETGEAR recommends changing the MTU size. These might require
an MTU change:
ā
ā
ā
ā
A secure Web site that will not open, or displays only part of a Web page
Yahoo e-mail
MSN
America Onlineās DSL service
ā¢
ā¢
You use VPN and have severe performance problems.
You used a program to optimize MTU for performance reasons, and now you have
connectivity or performance problems.
Note: An incorrect MTU setting can cause Internet communication problems such as the
inability to access certain Web sites, frames within Web sites, secure login pages,
or FTP or POP servers.
If you suspect an MTU problem, a common solution is to change the MTU size to 1400. If you are
willing to experiment, you can gradually reduce the MTU size from the maximum value of 1500
Table 5-1. Common MTU Sizes
MTU
Application
1500
The largest Ethernet packet size and the default value. This is the typical setting for non-
PPPoE, non-VPN connections, and is the default value for NETGEAR routers, adapters,
and switches.
1492
1472
1468
1460
1436
1400
576
Used in PPPoE environments.
Maximum size to use for pinging. (Larger packets are fragmented.)
Used in some DHCP environments.
Usable by AOL if you do not have large e-mail attachments, for example.
Used in PPTP environments or with VPN.
Maximum size for AOL DSL.
Typical value to connect to dial-up ISPs.
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To change the MTU size:
1. In the main menu, under Advanced, select WAN Setup.
2. In the MTU Size field, enter a new size between 64 and 1500.
3. Click Apply to save the new configuration.
Overview of Home and Small Office Networking
Technologies
Common connection types and their speed and security considerations are:
ā¢
Broadband Internet. Your Internet connection speed is determined by your modem type,
such as ADSL or cable modem, as well as the connection speed of the sites to which you
connect, and general Internet traffic. ADSL and cable modem connections are asymmetrical,
meaning they have a lower data rate to the Internet (upstream) than from the Internet
(downstream). Keep in mind that when you connect to another site that also has an
asymmetrical connection, the data rate between your sites is limited by each sideās upstream
data rate. A typical residential ADSL or cable modem connection provides a downstream
throughput of about 1 to 3 megabits per second (Mbps). Newer technologies such as ADSL2+
and Fiber to the Home (FTTH) will increase the connection speed to tens of Mbps.
ā¢
Wireless. Your Wireless-N Router Model WNR2000 provides a wireless data throughput of
up to 300 Mbps using technology called multiple input, multiple output (MIMO), in which
multiple antennas transmit multiple streams of data. The use of multiple antennas also
provides excellent range and coverage. With the introduction of the newer WPA and WPA2
encryption and authentication protocols, wireless security is extremely strong.
To get the best performance, use RangeMax NEXT adapters such as the WN511B for your
computers. Although the RangeMax NEXT router is compatible with older 802.11b and
802.11g adapters, the use of these older wireless technologies in your network can result in
lower throughput overall (typically less than 10 Mbps for 802.11b and less than 40 Mbps for
802.11g). In addition, many older wireless products do not support the latest security
protocols, WPA and WPA2.
ā¢
Powerline. For connecting rooms or floors that are blocked by obstructions or are distant
vertically, consider networking over your buildingās AC wiring. NETGEARās Powerline HD
family of products delivers up to 200 Mbps to any outlet, while the older-generation XE
family of products delivers 14 Mbps or 85 Mbps. Data transmissions are encrypted for
security, and you can configure an individual network password to prevent neighbors from
connecting.
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The Powerline HD family of products can coexist on the same network with older-generation
XE family products or HomePlug 1.0 products, but they are not interoperable with these older
products.
ā¢
Wired Ethernet. As gigabit-speed Ethernet ports (10/100/1000 Mbps) become common on
newer computers, wired Ethernet remains a good choice for speed, economy, and security.
Gigabit Ethernet can extend up to 100 meters with twisted-pair wiring of Cat 5e or better. A
wired connection is not susceptible to interference, and eavesdropping would require a
physical connection to your network.
Note: Actual data throughput will vary. Network conditions and environmental factors,
including volume of network traffic, building materials and construction, and
network overhead, can lower actual data throughput rate.
Assessing Your Speed Requirements
Because your Internet connection is likely to operate at a much lower speed than your local
network, faster local networking technologies might not improve your Internet experience.
However, many emerging home applications require high data rates. For example:
ā¢
Streaming HD video requires 10 to 30 Mbps per stream. Because latency and packet loss can
disrupt your video, plan to provide at least twice the capacity you need.
ā¢
Streaming MP3 audio requires less than 1 Mbps per stream and does not strain most modern
networks. Like video, however, streaming audio is also sensitive to latency and packet loss, so
a congested network or a noisy link can cause problems.
ā¢
Backing up computers over the network has become popular due to the availability of
various networking technologies.
Table 5-2. Theoretical Transfer Time for 1 Gigabyte
Network Connection
Theoretical Raw Transfer Time
Gigabit wired Ethernet
RangeMax NEXT Wireless-N
Powerline HD
8 seconds
26 seconds
40 seconds
80 seconds
45 seconds
150 seconds
700 seconds
100 Mbps wired Ethernet
802.11n wireless
802.11g wireless
802.11b wireless
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Table 5-2. Theoretical Transfer Time for 1 Gigabyte (continued)
Network Connection
Theoretical Raw Transfer Time
10 Mbps wired Ethernet
Cable modem (3 Mbps)
Analog modem (56 kbps)
800 seconds
2700 seconds
144,000 seconds (40 hours)
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Viewing Wireless Router Status Information
To view router status and usage information:
1. Select Router Status under Maintenance in the main menu. The Router Status screen
displays.
Figure 6-1
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Table 6-1 describes the router status fields.
Table 6-1. Wireless Router Status Fields
Field
Description
Hardware Version
Firmware Version
The hardware version of the router.
The version of the current software installed in the router. This will
change if you update your router.
Internet Port. The following settings apply to the Internet (WAN) port of the router.
MAC Address
The Media Access Control address. This is the unique physical
address being used by the Internet (WAN) port of the router.
IP Address
The IP address being used by the Internet (WAN) port of the router. If
no address is shown, or is 0.0.0.0, the router cannot connect to the
Internet.
DHCP
If set to None, the router is configured to use a fixed IP address on
the WAN. If set to DHCP Client, the router is configured to obtain an
IP address dynamically from the ISP.
IP Subnet Mask
The IP subnet mask being used by the Internet (WAN) port of the
router. For an explanation of subnet masks and subnet addressing,
click the link to the online document āTCP/IP Networking Basicsā in
Domain Name Server
The Domain Name Server addresses being used by the router. A
Domain Name Server translates human-language URLs such as
www.netgear.com into IP addresses.
LAN Port. The following settings apply to the Ethernet (LAN) port of the router.
MAC Address
IP Address
DHCP
The Media Access Control address. This is the unique physical
address being used by the LAN port of the router.
The IP address being used by the Ethernet (LAN) port of the router.
The default is 192.168.1.1.
Identifies whether the routerās built-in DHCP server is active for the
LAN-attached devices.
IP Subnet Mask
The IP subnet mask being used by the Ethernet (LAN) port of the
router. The default is 255.255.255.0.
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Table 6-1. Wireless Router Status Fields (continued)
Field
Description
Wireless Port. The following settings apply to the wireless port of the router.
Name (SSID)
Region
The wireless network name (SSID) being used by the wireless port of
the router. The default is NETGEAR.
The geographic region where the router is being used. It might be
illegal to use the wireless features of the router in some parts of the
world.
Channel
Mode
Identifies the channel of the wireless port being used. Click the link to
the frequencies used on each channel.
Indicates the wireless communication mode:
ā¢ Up to 54 Mbps.
ā¢ Up to 145 Mbps.
ā¢ Up to 300 Mbps (in this mode, there are two channels: a primary
channel [P] and a secondary channel [S]).
Wireless AP
Indicates whether the radio feature of the router is enabled. If not
enabled, the Wireless LED on the front panel is off.
Broadcast Name
Indicates whether the router is broadcasting its SSID.
Wi-Fi Protected Setup
Indicates whether the routerās PIN is enabled and whether the router
is configured for Push āNā Connect (Wi-Fi Protected Setup). For more
information, see āUsing Push 'N' Connect (Wi-Fi Protected Setup)ā on
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2. Click Connection Status to display the connection status.
Figure 6-2
Table 6-2 describes the connection status settings.
Table 6-2. Connection Status Settings
Item
Description
IP Address
The IP address that is assigned to the router.
Subnet Mask
Default Gateway
DHCP Server
The subnet mask that is assigned to the router.
The IP address for the default gateway that the router communicates with.
The IP address for the Dynamic Host Configuration Protocol server that provides
the TCP/IP configuration for all the computers that are connected to the router.
DNS Server
The IP address of the Domain Name Service server that provides translation of
network names to IP addresses.
Lease Obtained
Lease Expires
The date and time that the lease was obtained.
The date and time that the lease will expire.
a. Click the Release button to release the connection status items (that is, all items return to
0).
b. Click the Renew button to renew to the connection status items (that is, all items are
refreshed).
c. Click the Close Window button to close the Connection Status screen.
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3. Click Show Statistics to display router usage statistics.
Figure 6-3
Table 6-3 describes the router statistics.
Table 6-3. Router Statistics
Item
Description
System Up Time
Port
The time elapsed since the router was last restarted.
The statistics for the WAN (Internet) and LAN (Ethernet) ports. For each port, the
screen displays the following:
Status
TxPkts
The link status of the port.
The number of packets transmitted on this port since reset or manual clear.
The number of packets received on this port since reset or manual clear.
The number of collisions on this port since reset or manual clear.
The current transmission (outbound) bandwidth used on the WAN and LAN ports.
The current reception (inbound) bandwidth used on the WAN and LAN ports.
The time elapsed since this port acquired the link.
RxPkts
Collisions
Tx B/s
Rx B/s
Up Time
Poll Interval
The intervals at which the statistics are updated in this screen.
To change the polling frequency, enter a time in seconds in the Poll Interval field, and click
Set Interval.
To stop the polling entirely, click Stop.
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Viewing a List of Attached Devices
The Attached Devices screen contains a table of all IP devices that the router has discovered on the
local network. Select Attached Devices under Maintenance in the main menu to view the table.
Figure 6-4
For each device, the table shows the IP address, NetBIOS host name or device name (if available),
and the Ethernet MAC address. To force the router to look for attached devices, click Refresh.
Note: If the router is rebooted, the table data is lost until the router rediscovers the
devices.
Managing the Configuration File
The configuration settings of the WNR2000 router are stored within the router in a configuration
file. You can back up (save) this file to your computer, restore it, or reset it to the factory default
settings.
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Select Backup Settings under Maintenance in the main menu. The Backup Settings screen
displays.
Figure 6-5
The following sections describe the three available options.
Backing Up and Restoring the Configuration
The Restore and Backup options in the Settings Backup screen let you save and retrieve a file
containing your routerās configuration settings.
To save your settings, click Backup. Your browser extracts the configuration file from the router
and prompts you for a location on your computer to store the file. You can give the file a
meaningful name at this time, such as comcast.cfg.
Tip: Before saving your configuration file, change the administrator password to the
default, password. Then change it again after you have saved the configuration file.
If you forget the password, you will need to reset the configuration to factory
defaults.
To restore your settings from a saved configuration file, enter the full path to the file on your
computer, or click Browse to browse to the file. When you have located it, click Restore to send
the file to the router. The router then reboots automatically.
Warning: Do not interrupt the reboot process.
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Erasing the Configuration
Under some circumstances (for example, if you move the router to a different network or if you
have forgotten the password) you might want to erase the configuration and restore the factory
default settings. After an erase, the routerās username is admin, the password is password, the
LAN IP address is 192.168.1.1 (or www.routerlogin.net), and the routerās DHCP server is
enabled.
To erase the configuration, click the Erase button in the Settings Backup screen.
To restore the factory default configuration settings when you do not know the login password or
IP address, you must use the restore factory settings button on the rear panel of the router (see
Updating the Router Firmware
The firmware of the WNR2000 router is stored in flash memory, and can be updated as
NETGEAR releases new firmware. You can update your firmware by logging into the router and
using one of these procedures:
ā¢
Enable the Check for Updated Firmware Upon Log-in check box. Each time you log in to
the router, it will automatically detect a new version of the firmware and then install it. This
ā¢
ā¢
Use the Check button in the Router Upgrade screen. Instead of having the router check for
new firmware every time you log in, you can use Router Upgrade, under Maintenance in the
Check for and update your firmware manually. You can compare versions, obtain new
firmware from NETGEARās website, and then upload it. See āUpdating Manually to New
Note: Before updating the router software, NETGEAR recommends that you save your
configuration settings (see āBacking Up and Restoring the Configurationā on
page 6-8). A firmware update might cause the router settings to revert to the
factory defaults. If this happens, after completing the update, you can restore
your settings from the backup.
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Checking for New Firmware in the Router Upgrade Screen
To check for new firmware and allow the router to automatically install it:
1. Select Router Upgrade under Maintenance in the main menu. The Router Upgrade screen
displays.
Figure 6-6
2. Check for new software versions by clicking the Check button.
ā¢
If a new version is found, information about it appears.
Figure 6-7
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ā¢
If no new firmware version is available, a message displays and the router returns to the
Firmware Update screen.
Figure 6-8
3. To update your firmware, click Yes and follow the prompts.
Warning: When updating firmware to the WNR2000 router, do not interrupt
the Web browser by closing the window, clicking a link, or loading
a new page. If the browser is interrupted, it could corrupt the
firmware.
When the upload is complete, your router automatically restarts. The update process typically
takes about 1 minute.
Updating Manually to New Router Firmware
To manually select, download, and install new software to your router:
1. Log in to your router, select Router Status under Maintenance on the main menu, and make
note of the firmware version of your router.
Figure 6-9
2. Go to the WNR2000 support page on the NETGEAR website at
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3. Compare the version number of the most recent firmware offered to the firmware version of
your router. If the version on the NETGEAR website is more recent, download the file from
the WNR2000 support page to your computer.
4. Log in to your router and select Router Upgrade under Maintenance on the main menu.
5. Click Browse, and locate the firmware image that you downloaded to your computer (the file
ends in .img or .chk).
6. Click Upload to send the firmware to the router.
Warning: When updating firmware to the WNR2000 router, do not interrupt the
Web browser by closing the window, clicking a link, or loading a new
page. If the browser is interrupted, it could corrupt the firmware.
When the upload is complete, your router automatically restarts. The upgrade process
typically takes about 1 minute.
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Enabling Remote Management Access
Using the Remote Management feature, you can allow a user on the Internet to configure, upgrade,
and check the status of your WNR2000 router. Select Remote Management under Advanced in
the main menu. The Remote Management screen displays.
Figure 6-10
Note: Be sure to change the routerās default configuration password to a very secure
password. The ideal password should contain no dictionary words from any
language, and should be a mixture of letters (both uppercase and lowercase),
numbers, and symbols. Your password can be up to 30 characters.
To configure your router for remote management:
1. Select the Turn Remote Management On check box.
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2. Under Allow Remote Access By, specify what external IP addresses will be allowed to access
the routerās remote management.
Note: For enhanced security, restrict access to as few external IP addresses
as practical.
ā¢
ā¢
To allow access from any IP address on the Internet, select Everyone.
To allow access from a range of IP addresses on the Internet, select IP Address Range.
Enter a beginning and ending IP address to define the allowed range.
ā¢
To allow access from a single IP address on the Internet, select Only This Computer.
Enter the IP address that will be allowed access.
3. Specify the port number for accessing the management interface.
Normal Web browser access uses the standard HTTP service port 80. For greater security,
enter a custom port number for the remote management Web interface. Choose a number
between 1024 and 65535, but do not use the number of any common service port. The default
is 8080, which is a common alternate for HTTP.
4. Click Apply to have your changes take effect.
Note: When accessing your router from the Internet, enter your routerās WAN IP address
into your browserās address or location field, followed by a colon (:) and the
custom port number. For example, if your external address is 134.177.0.123 and
you use port number 8080, then enter http://134.177.0.123:8080 in your browser.
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Chapter 7
Troubleshooting
This chapter provides information about troubleshooting your Wireless-N Router Model
WNR2000. After each problem description, instructions are provided to help you diagnose and
solve the problem. As a first step, please review the Quick Tips.
Tip: NETGEAR provides helpful articles, documentation, and the latest software
This chapter includes the following sections:
ā¢
ā¢
ā¢
ā¢
ā¢
ā¢
ā¢
ā¢
Quick Tips
This section describes tips for troubleshooting some common problems:
Be sure to restart your network in this sequence.
1. Turn off and unplug the modem.
2. Turn off the wireless router and computers.
3. Plug in the modem and turn it on. Wait 2 minutes.
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4. Turn on the wireless router and wait 1 minute.
5. Turn on the computers.
Make sure that the Ethernet cables are securely plugged in.
ā¢
The Internet status light on the wireless router is on if the Ethernet cable connecting the
wireless router and the modem is plugged in securely and the modem and wireless router are
turned on.
ā¢
For each powered-on computer connected to the wireless router by an Ethernet cable, the
corresponding numbered router LAN port light is on.
Make sure that the wireless settings in the computer and router match exactly.
ā¢
For a wirelessly connected computer, the wireless network name (SSID) and WEP or WPA
security settings of the router and wireless computer must match exactly.
ā¢
If you have enabled the wireless router to restrict wireless access by MAC address, you must
add the wireless computerās MAC address to the routerās wireless card access list.
Make sure that the network settings of the computer are correct.
ā¢
LAN connected computers must be configured to obtain an IP address automatically using
ā¢
Some cable modem services require you to use the MAC address of the computer registered
on the account. If so, in the Router MAC Address section of the Basic Settings menu, select
Use this Computerās MAC Address. Click Apply to save your settings. Restart the network
in the correct sequence.
Check the Test light to verify correct router operation.
If the Test light does not turn off within 2 minutes after you turn the router on, reset the router
according to the instructions in āRestoring the Default Configuration and Passwordā on page 7-12.
Troubleshooting Basic Functions
After you turn on power to the router, the following sequence of events should occur:
1. When power is first applied, verify that the Power light
is on.
2. Verify that the power light turns amber within a few seconds, indicating that the self-test
procedure is running.
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3. After approximately 20 seconds, verify that:
a. The color of the power light changes to green.
b. The LAN port lights are lit for any local ports that are connected.
If a portās light is lit, a link has been established to the connected device. If a LAN port is
connected to a 100 Mbps device, verify that the portās light is green. If the port is 10 Mbps,
the light will be amber.
c. The Internet port is connected and its light is lit.
4. If you have enabled WPS security, verify that the push-button stops blinking and changes to
green (otherwise the push-button light should be off).
If the correct behavior does not occur, see the appropriate following section.
The Power light is not on.
If the Power and other lights are off when your router is turned on:
ā¢
Make sure that the power cord is properly connected to your router and that the power adapter
is properly connected to a functioning power outlet.
ā¢
Check that you are using the power adapter supplied by NETGEAR for this product.
If the error persists, you have a hardware problem and should contact Technical Support.
The Power light blinks green slowly and continuously.
The router firmware is corrupted.
To restore your firmware:
1. Make sure your PC is connected to your router and the router is powered on.
2. Insert the Resource CD that came with your router into your PC.
a. The CD will automatically start and detect the language you are using on your PC. Select
a different language option, if you prefer.
b. If the CD does not automatically start, browse the CD and double-click on
.
3. Click Supporting Software, then Netgear Firmware Recovery Utility, and follow the
prompts for the recovery process.
4. After firmware recovery is completed, follow the prompts to restore your configuration
settings.
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The Power light stays amber.
When the router is turned on, the Power light turns amber for about 20 seconds and then turns
green. If the light does not turn green, the router has a problem.
If the Power light is still amber 1 minute after turning on power to the router:
1. Turn the power off and back on to see if the router recovers.
2. Clear the routerās configuration to factory defaults. This will set the routerās IP address to
www.routerlogin.net. This procedure is explained in āRestoring the Default Configuration and
If the error persists, you might have a hardware problem and should contact Technical Support.
The Internet light stays amber.
When the router is turned on, the Internet light turns amber for about 20 seconds and then turns
green. If the light does not turn green, the router has a problem.
If the Internet light is still amber 1 minute after turning on power to the router:
1. The Internet is not accessible. Confirm that you have the correct internet setting.
2. Clear the routerās configuration to factory defaults. This will set the routerās IP address to
www.routerlogin.net. This procedure is explained in āRestoring the Default Configuration and
3. Turn the power off and back on to see if the router recovers.
The Internet or LAN port lights are not on.
If either the LAN or Internet lights do not light when the Ethernet connection is made, check the
following:
1. Make sure that the Ethernet cable connections are secure at the router and at the computer.
2. Make sure that power is turned on to the connected computer.
3. Be sure you are using Ethernet cables like the cable that was supplied with the wireless router.
See the NETGEAR Wireless-N Router Setup Manual for instructions.
The Push 'N' Connect (WPS) push-button blinks amber.
If after using the WPS function the push-button blinks amber, check the following:
1. Make sure that you are using the push-button and not the routerās built-in registrar.
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2. Check that PIN verification has succeeded for the WPS-enabled device you are connecting to
the router.
3. Make sure you have not pushed the push-button after disabling the WPS function (you logged
into the router and disabled this previously).
4. Check that the router is not in the temporary AP setup locked state (if you are using the
wireless repeater function).
For more information on WPS, see āUsing Push 'N' Connect (Wi-Fi Protected Setup)ā on
Login Problems
If you are unable to log in to the wireless router, check the following:
ā¢
If you are using an Ethernet-connected computer, check the Ethernet connection between the
computer and the router as described in the NETGEAR Wireless-N Router Setup Manual.
ā¢
Make sure you are using the correct login information. The factory default login name is
admin and the password is password. Make sure that the Caps Lock is off when entering this
information.
ā¢
Make sure your computerās IP address is on the same subnet as the router. If your are using the
recommended addressing scheme, your computerās address should be in the range of
Networkā in Appendix B for help with configuring your computer.
Note: If your computer cannot reach a DHCP server, some operating systems will
assign an IP address in the range 169.254.x.x. If your IP address is in this
range, verify that you have a good connection from the computer to the router,
then restart (reboot) your computer.
ā¢
ā¢
If your routerās IP address has been changed and you donāt know the current IP address, reset
the routerās configuration to the factory defaults. This procedure will reset the routerās IP
Make sure your browser has Java, JavaScript, or ActiveX enabled. If you are using Internet
Explorer, click Refresh to be sure the Java applet is loaded. Try closing the browser and
reopening it again.
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ā¢
ā¢
If you are attempting to set up your NETGEAR router as an additional router behind an
existing router in your network, consider replacing the existing router instead. NETGEAR
does not support such a configuration.
If you are attempting to set up your NETGEAR router as a replacement for an ADSL gateway
in your network, the router cannot perform many gateway services, for example, converting
ADSL or Cable data into Ethernet networking information. NETGEAR does not support such
a configuration.
Checking the Internet Service Connection
If you can access your router, but your router is unable to access the Internet, review the topics in
this section:
ā¢
ā¢
ā¢
Obtaining an Internet IP Address
If your wireless router is unable to access the Internet, and your Internet light is amber, check the
wireless router to see if it is able to get an Internet IP address from your service provider. Unless
you have a static IP address, your wireless router automatically requests an IP address from your
service provider.
To check your wireless routerās Internet IP address:
1. Log in to the wireless router.
2. Select Router Status, under Maintenance in the main menu, to check that an IP address is
shown for the Internet Port. If 0.0.0.0 is shown, your wireless router has not obtained an IP
address from your service provider.
If your router is unable to obtain an IP address from the your service provider, the problem might
be one of the following:
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ā¢
ā¢
ā¢
ā¢
ā¢
You might need to force your cable or DSL modem to recognize your new router by restarting
your network, in the sequence described in the NETGEAR Wireless-N Router Setup Manual.
Your service provider might require a login. Ask your service provider whether they require a
You might have incorrectly set the service name, user name or password. Review your routerās
Basic Settings screen.
Your service provider might check for your computer's host name. Assign the computer Host
Name of your ISP account to the wireless router on the Basic Settings screen.
Your service provider might only allow one Ethernet MAC address to connect to the Internet,
and check for your computerās MAC address. If this is the case:
ā
Inform your service provider that you have bought a new network device, and ask them to
use the wireless routerās MAC address, or
ā
Configure your router to spoof your computerās MAC address. On the Basic Settings
screen in the Router MAC Address section, select āUse this Computerās MAC Addressā
and click Apply. Then restart your network in the correct sequence (see the NETGEAR
Wireless-N Router Setup Manual for instructions).
Troubleshooting PPPoE
If you are using PPPoE, try troubleshooting your Internet connection.
To troubleshoot a PPPoE connection:
1. Log in to the wireless router.
2. Select Router Status under Maintenance on the main menu.
3. Click Connection Status. If all of the steps indicate āOK,ā then your PPPoE connection is up
and working.
If any of the steps indicate āFailed,ā you can attempt to reconnect by clicking Connect. The
wireless router will continue to attempt to connect indefinitely.
If you cannot connect after several minutes, you might be using an incorrect service name,
user name, or password. There also might be a provisioning problem with your ISP.
Note: Unless you connect manually, the wireless router will not authenticate using
PPPoE until data is transmitted to the network.
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Troubleshooting Internet Browsing
If your wireless router can obtain an IP address but your computer is unable to load any web pages
from the Internet, check the following:
ā¢
Your computer might not recognize any DNS server addresses. A DNS server is a host on
the Internet that translates Internet names (such as www addresses) to numeric IP addresses.
Typically, your ISP will provide the addresses of one or two DNS servers for your use. If you
entered a DNS address during the wireless routerās configuration, restart your computer.
Alternatively, you can configure your computer manually with a DNS address, as explained in
the documentation for your computer.
ā¢
ā¢
Your computer might not have the wireless router configured as its default gateway.
Reboot the computer and verify that the wireless router address (www.routerlogin.net) is listed
by your computer as the default gateway address.
You might be running login software that is no longer needed. If your ISP provided a
program to log you in to the Internet (such as WinPoET), you no longer need to run that
software after installing your router. You might need to go to Internet Explorer and select
Tools > Internet Options, click the Connections tab, and select Never dial a connection.
If the wireless router does not save changes you have made in the browser interface, check the
following:
ā¢
When entering configuration settings, be sure to click Apply before moving to another screen
or tab, or your changes could be lost.
ā¢
Click Refresh or Reload in the Web browser. The changes might have occurred, but the Web
browser might be caching the old configuration.
Troubleshooting Your Network Using the Ping Utility
Most network devices and routers contain a ping utility that sends an echo request packet to the
designated device. The device then responds with an echo reply. Troubleshooting a network is
made very easy by using the ping utility in your computer or workstation. This section includes:
ā¢
ā¢
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Testing the LAN Path to Your Router
You can ping the router from your computer to verify that the LAN path to your router is set up
correctly.
To ping the router from a running Windows PC:
1. From the Windows toolbar, click Start, and then select Run.
2. In the field provided, type ping followed by the IP address of the router, as in this example:
ping www.routerlogin.net
3. Click OK.
You should see a message like this one:
Pinging <IP address > with 32 bytes of data
If the path is working, you see this message:
Reply from < IP address >: bytes=32 time=NN ms TTL=xxx
If the path is not working, you see this message:
Request timed out
If the path is not functioning correctly, you could have one of the following problems:
ā¢
Wrong physical connections
ā
For a wired connection, make sure that the numbered LAN port light is on for the port
to which you are connected. If the light is off, follow the instructions in
ā
Check that the appropriate LEDs are on for your network devices. If your router and
computer are connected to a separate Ethernet switch, make sure that the link lights
are on for the switch ports that are connected to your computer and router.
ā¢
Wrong network configuration
ā
Verify that the Ethernet card driver software and TCP/IP software are both installed
and configured on your computer.
ā
Verify that the IP address for your router and your computer are correct and that the
addresses are on the same subnet.
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Testing the Path from Your Computer to a Remote Device
After verifying that the LAN path works correctly, test the path from your computer to a remote
device.
1. From the Windows toolbar, click the Start button, and then select Run.
2. In the Windows Run window, type:
ping -n 10 <IP address>
where <IP address> is the IP address of a remote device such as your ISPās DNS server.
If the path is functioning correctly, replies like those shown in the previous section are displayed.
If you do not receive replies:
ā¢
Check that your computer has the IP address of your router listed as the default gateway. If the
IP configuration of your computer is assigned by DHCP, this information is not be visible in
your computerās Network Control Panel. Verify that the IP address of the router is listed as the
ā¢
Check to see that the network address of your computer (the portion of the IP address specified
by the subnet mask) is different from the network address of the remote device.
ā¢
ā¢
Check that your cable or DSL modem is connected and functioning.
If your ISP assigned a host name to your computer, enter that host name as the account name
in the Basic Settings screen.
ā¢
Your ISP could be rejecting the Ethernet MAC addresses of all but one of your computers.
Many broadband ISPs restrict access by allowing traffic only from the MAC address of your
broadband modem, but some ISPs additionally restrict access to the MAC address of a single
computer connected to that modem. If this is the case, you must configure your router to
ācloneā or āspoofā the MAC address from the authorized computer. For more information, see
Problems with Date and Time
Select E-mail under Content Filtering in the main menu to display a screen that shows the current
date and time of day. The WNR2000 router uses the Network Time Protocol (NTP) to obtain the
current time from one of several network time servers on the Internet. Each entry in the log is
stamped with the date and time of day. Problems with the date and time function can include the
following:
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ā¢
ā¢
Date shown is January 1, 2000.
Cause: The router has not yet successfully reached a network time server. Check that your
Internet access settings are correct. If you have just completed configuring the router, wait at
least 5 minutes, and check the date and time again.
Time is off by one hour.
Cause: The router does not adjust for daylight savings time. In the E-mail screen, select the
Automatically Adjust for Daylight Savings Time check box.
Problems with Wireless Adapter Connections
If your wireless adapter is unable to connect, check its connection settings.
To check the adapterās connection settings:
1. open the adapter setup utility to check connections:
ā¢
NETGEAR Smart Wizard utility. If you installed a NETGEAR wireless adapter in your
computer, a Smart Wizard utility program is installed that can provide helpful information
about your wireless network. You can find this program in your Windows Program menu
or as an icon in your system tray. Other wireless card manufacturers might include a
similar program.
ā¢
Windows basic setup utility. If you have no specific wireless card setup program
installed, you can use the basic setup utility in Windows:
ā
ā
Open the Windows Control Panel, and double-click Network Connections.
In the LAN section, double-click Wireless Network Connection.
2. Use the adapterās setup program to scan for available wireless networks, looking for the
network name (SSID) of NETGEAR, or your custom SSID if you have changed it.
3. If your wireless network appears and has good signal strength, configure and test with the
simplest wireless connection possible.
If your wireless network does not appear, check these conditions:
ā¢
ā¢
ā¢
Is your routerās wireless radio enabled? See āViewing Advanced Wireless Settingsā on
Is your routerās SSID broadcast enabled? See āViewing Advanced Wireless Settingsā on
Is your router set to a wireless standard that is not supported by your wireless adapter? Check
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If your wireless network appears, but the signal strength is weak, check these conditions:
ā¢
Is your router too far from your adapter, or too close? Place the computer that has the adapter
near the router, but at least 6 feet away, and see whether the signal strength improves.
ā¢
Is your wireless signal obstructed by objects between the router and your adapter? See
Restoring the Default Configuration and Password
This section explains how to restore the factory default configuration settings that reset the routerās
user name to admin, the password to password, and the IP address to 192.168.1.1.
Warning: These procedures erase all current configuration settings.
You can erase the current configuration and restore factory defaults in two ways:
ā¢
Use the Erase function of the router. To use the Erase function, see āErasing the
ā¢
Use the restore factory settings button on the rear panel of the router. Use this method for cases
when the administration password or IP address is not known.
To use the restore settings button:
1. Locate the restore factory settings button on the rear panel of the router.
2. Use a sharp object such as a pen or a paper clip to press and hold the restore factory settings
button for about 5 seconds, until the Power light begins to blink.
3. Release the restore factory settings button, and wait for the router to restart, and for the Power
light to stop blinking and become solid green.
The factory default settings will be restored so that you can access the router from your Web
browser using the factory defaults.
If the wireless router fails to restart, or the Power light continues to blink or turns solid amber, the
unit might be defective. If the error persists, you might have a hardware problem and should
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Appendix A
Technical Specifications
Default Configuration Settings
This appendix provides factory default settings and technical specifications for the Wireless-N
Router Model WNR2000.
Table A-1. WNR2000 Router Default Configuration Settings
Feature
Default Setting
Router Login
Router Login URL
http://www.routerlogin.net or
http://www.routerlogin.com
Login Name (case-sensitive) printed on
product label
admin
Login Password (case-sensitive) printed on
product label
password
Internet Connection
WAN MAC Address
MTU Size
Default hardware address (on label)
1500
Local Network
Router LAN IP address printed on product label
(also known as Gateway IP address)
192.168.1.1
Router Subnet
255.255.255.0
DHCP Server
Enabled
DHCP range
192.168.1.2 to 192.168.1.254
Time Zone
GMT
Time Zone Adjusted for Daylight Saving Time
Allow a Registrar to configure this router
Disabled
Enabled
Technical Specifications
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Table A-1. WNR2000 Router Default Configuration Settings (continued)
Wireless
Enabled
Wireless Communication
NETGEAR
Disabled
SSID Name
Security
All wireless stations allowed
Enabled
Wireless Access List (MAC Filtering)
Broadcast SSID
Transmission Speed
Country/Region
Auto*
United States (North America only; otherwise
varies by country and region)
6 until region selected
RF Channel
Operating Mode
Data Rate
145 Mbps
Best
Output Power
Full
Firewall
Inbound (communications coming in from the Internet) Disabled (bars all unsolicited requests except
for traffic on port 80, the http port)
Outbound (communications going out to the Internet)
Enabled (all)
*. Maximum Wireless signal rate derived from IEEE Standard 802.11 specifications. Actual throughput will vary. Network
conditions and environmental factors, including volume of network traffic, building materials and construction, and network
overhead lower actual data throughput rate.
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General Specifications
Table A-2. WNR2000 Router General Specifications
Feature General
Network Protocol and Standards Compatibility
Data and Routing Protocols TCP/IP, RIP-1, RIP-2, DHCP, PPPoE, PPTP, Bigpond, Dynamic
DNS, and UPnP
Power Adapter
North America
UK, Australia
Europe
120V, 60 Hz, input
240V, 50 Hz, input
230V, 50 Hz, input
100V, 50/60 Hz, input
12V DC @ 1.0A, output
Japan
All regions (output)
Physical
Dimensions
7" x 5.1" x 1.4"
177.5 x 130 x 35 mm
Weight
0.88 lbs.
0.399 kg
Environmental
Operating temperature
0Ā° to 40Ā° C (32Āŗ to 104Āŗ F)
Operating humidity
90% maximum relative humidity, noncondensing
Electromagnetic Emissions
Designed to conform to the
following standards
FCC Part 15 Class B
EN 55022/24 (CISPR 22/24) Class B
EN 60950 (CE LVD) Class B
MIC
Interface Specifications
LAN
10BASE-T or 100BASE-Tx, RJ-45
10BASE-T or 100BASE-Tx, RJ-45
WAN
Technical Specifications
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Appendix B
Related Documents
This appendix provides links to reference documents you can use to gain a more complete
understanding of the technologies used in your NETGEAR product.
Table B-1. Reference Documents
Document
Link
TCP/IP Networking Basics
Wireless Networking Basics
Preparing Your Network
Virtual Private Networking
Basics
Glossary
In addition, you can find initial setup instructions for your wireless router in the NETGEAR
Wireless-N Router Setup Manual.
Related Documents
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B-2
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NETGEAR Wireless-N Router WNR2000 User Manual
D
F
factory default settings
listed A-1
restoring 7-12
firewalls
default factory settings
listed A-1
disabling 4-8
overview 2-23
restoring 7-12
firmware
restoring 7-3
disabling
firewall 4-8
G
H
Domain Name Server (DNS) addresses
current 6-3
DynDNS.org 4-6
I
E
encryption 2-1
Internet connection
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entering 1-7
spoofing 7-7
IP addresses
current 6-3
LAN 4-3
reserved 4-5
N
K
O
L
P
password
changing 2-21
restoring 7-12
logs
sending 3-7
viewing 3-6
M
MAC addresses
current 6-3
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