CNET Network Router CNWR 811P User Manual

Multi-Function

Wireless A/P Router

User’s Guide

Model

CNWR-811P

Wireless Access Point Router

W / Printer Sharing

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APPENDIX A TROUBLESHOOTING.................................................................................59

Overview...........................................................................................................................59

General Problems.............................................................................................................59

Internet Access.................................................................................................................59

Wireless Access ................................................................................................................60

Printing.............................................................................................................................61

APPENDIX B SPECIFICATIONS ........................................................................................64

CNWR-811P Wireless A/P Router.................................................................................64

PCMCIA Wireless Card..................................................................................................65

Document Version: 1.0

P/N 9560DA0007

All trademarks and trade names are the properties of their respective owners.

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Chapter 1

Introduction

This Chapter provides an overview of the CNWR-811P's features and capa-

bilities.

Congratulations on the purchase of your new CNWR-811P Multi-Function Wireless A/P

Router. The CNWR-811P is a multi-function device providing the following services:

•

Shared Internet access via an ADSL or Cable modem.

Wireless LAN Access Point (base station) for equipment compliant with the IEEE802.11b

(DSSS) specifications.

•

Network Printer – LAN users can share the printer attached to the CNWR-811P

Wireless

Windows

Internet

CNWR-811P

ADSL/Cable Modem

iMac

Fast Ethernet

Windows

iMac

Unix

Figure 1: CNWR-811P Multi-function Wireless A/P Router

The CNWR-811P Multi-Function Wireless A/P Router can also be used to connect your local

LAN to a remote LAN or WAN, instead of providing shared Internet Access.

CNWR-811P Features

The CNWR-811P incorporates many advanced features, carefully designed to provide sophisti-

cated functions while being easy to use.

LAN Features

•

Dual LAN ports. The CNWR-811P has two (2) 10/100BaseTX Ethernet LAN ports.

Normally, the “Hub” port is used to connect the CNWR-811P to your LAN. But if desired,

the “PC” port can be used to connect the CNWR-811P directly to your PC, using a stan-

dard LAN cable.

•

DHCP Server Support. Dynamic Host Configuration Protocol provides a dynamic IP

address to PCs and other devices upon request. The CNWR-811P can act as a DHCP

Server for devices on your local LAN.

Multi Segment LAN Support. LANs containing one or more segments are supported,

via the CNWR-811P's built-in static routing table. If NAT (Network Address Translation)

is disabled, the CNWR-811P will function as a static router.

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CNWR-811P User Guide

Internet Access Features

•

Shared Internet Access. All users on the LAN can access the Internet through the

CNWR-811P, using only a single external IP Address. The local (invalid) IP Addresses are

hidden from external sources. This process is called NAT (Network Address Translation).

•

ADSL & Cable Modem Support. The CNWR-811P has a 10BaseT Ethernet port for

connecting an ADSL or Cable Modem. All popular ADSL and Cable Modems are sup-

ported.

•

PPPoE Support. Connect to your ISP using PPPoE (PPP over Ethernet), if your ISP

uses this method.

Fixed or Dynamic IP Address. On the WAN connection, the CNWR-811P supports

both Dynamic IP Address (IP Address is allocated on connection) and Fixed IP Address.

Configuration & Management

•

Easy Setup. Use your WEB browser from anywhere on the LAN for configuration.

Remote Management. The CNWR-811P can be managed from a workstation anywhere

on the LAN, using a WEB browser.

Wireless Features

•

Standards Compliant. The CNWR-811P complies with the IEEE802.11b (DSSS)

specifications for Wireless LANs.

Security Features. Support for WEP (Wired Equivalent Privacy) and Access Control is

included.

Simple Configuration. If the default settings are unsuitable, they can be changed

quickly and easily.

Advanced Internet Functions

•

Virtual Servers. This feature allows Internet users to access Internet servers on your

LAN. The required setup is quick and easy.

User-Defined Virtual Servers. Internet users can access non-standard Internet Servers

on your LAN by using this feature.

Special Internet Applications. Internet applications such as Internet Videoconferenc-

ing, Telephony, Games Servers, and other special-purpose Servers are supported.

DMZ. One (1) PC on your local LAN can be configured to allow unrestricted 2-way

communication with Servers or individual users on the Internet.

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Introduction

Security Features

•

Configuration Data. Optional password protection is provided to prevent unauthorized

users from modifying the configuration.

Access Control Features. The LAN Administrator can limit Internet access by individ-

ual workstations.

Wireless LAN Security. WEP (Wired Equivalent Privacy) is supported, as well as

Wireless access control via station address.

Firewall Protection. All incoming data packets are monitored and all incoming server

requests are filtered, thus protecting your network from malicious attacks from external

sources. (This protection is lost if NAT is disabled.)

NAT Firewall Protection

The firewall protection provided by the CNWR-811P is an intrinsic side

effect of NAT (Network Address Translation). All users on the LAN share a

single external IP address. From the external viewpoint, there is no network,

only a single device.

For internal users, the CNWR-811P acts as a “transparent proxy server”,

translating the multiple internal IP addresses into a single external IP ad-

dress.

For external requests, any attempt to connect to local resources are blocked.

The CNWR-811P will not “reverse translate” from a global IP address to a

local IP address.

This type of “natural” firewall provides an impregnable barrier against

malicious attacks.

Package Contents

The following items should be included:

•

The CNWR-811P Unit

Wireless PCMCIA Card

Power Adapter

Quick Installation Guide

CD-ROM containing the on-line manual and Print Port Driver.

If any of the above items are damaged or missing, please contact your dealer as soon as possi-

ble.

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CNWR-811P User Guide

Physical Details

Figure 2: CNWR-811P Multi-Function Wireless A/P Router

LEDs

Power

On - power on

Off - no power

Status

(Red)

On - Error condition.

Off - Normal operation

Blinking - This LED blinks during start up.

WAN

On - WAN connection is established.

Flashing - transmitting or receiving data via the WAN port.

LAN: 10

On - LAN connection is using 10BaseT.

Off - No LAN connection.

Flashing - data is being transmitted or received via the LAN port

LAN: 100

Wireless

On - LAN connection is using 100BaseT.

Off - No LAN connection.

Flashing - data is being transmitted or received via the LAN port

On - Wireless connection available; Wireless Access Point is ready for use.

Off - No Wireless connection available.

Flashing - Data is transmitted or received via the Wireless access point. This

includes "network traffic" as well as user data.

Print Error On - Printer error detected.

Off - No printer error detected.

Print Act

On - Connection to printer established.

Off - No connection to printer; printer is Off or Off-line.

Flashing - Data is being transmitted to the printer.

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Introduction

Rear Panel

Figure 3: Rear Panel

Printer Port

Standard parallel printer port. If you wish to share a printer, connect it

here.

WAN port

(10BaseT)

Connect the ADSL or Cable Modem here. If your modem came with

a cable, use the supplied cable. Otherwise, use a standard LAN cable.

DIP switches

Refer to the following table..

PC port

(10/100BaseTX)

If connecting directly to your PC (no Hub) use this port and a stan-

dard LAN cable (RJ45 connectors).

HUB port

(10/100BaseTX)

Use a standard LAN cable (RJ45 connectors) to connect this port to a

10BaseT or 100BaseTX hub.

Use EITHER the PC port OR the Hub port. You can NOT

use both.

Reset Button

When pressed and released, the Wireless A/P Router will reboot

(restart).

This button can also be used to clear ALL data and restore ALL

settings to the factory default values.

To restore the factory default values:

1. Power Off

2. Hold the Reset Button down while you Power On.

3. Keep holding the Reset Button for a few seconds, until the RED

LED has flashed TWICE.

4. Release the Reset Button. The Wireless A/P Router is now using

the factory default values.

PCMCIA slot

Insert the supplied Wireless PCMCIA card into this slot.

•

Ensure the power is OFF before inserting or removing the

PCMCIA Card.

•

Do not use any other PCMCIA Card.

Power port (12V)

Connect the supplied power adapter here.

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CNWR-811P User Guide

DIP Switches

DIP Switch Setting Description

1=off

2=off

Normal Operation

1=off

2=on

DHCP Server function disabled.

1=on

2=off

Used to restore Default IP Address

and clear Password (See below)

1=on

2=on

Normal Operation.

Restore Default IP Address

and Clear Password

If the CNWR-811P's IP Address or password is lost, the following procedure can be used to

recover from this situation.

1. Turn the power to the CNWR-811P OFF.

2. Set DIP switch 1 ON.

3. Turn the power to the CNWR-811P ON.

4. Operate DIP switch 1 in the following sequence (you have 15 seconds to complete the

sequence):

•

OFF

5. The CNWR-811P will now reset, and the Red Status LED flash. The following changes

will have been made. (Other configuration data is unchanged.)

•

IP Address set to its default value of 192.168.0.1

Network Mask set to 255.255.255.0

DHCP Server is enabled, and will allocate IP Addresses in the range 192.168.0.2 to

192.168.0.51.

•

The password cleared (no password).

6. You can now connect to the CNWR-811P and make any configuration changes required.

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Chapter 2

Installation

This Chapter covers the physical installation of the CNWR-811P.

Requirements

•

Ethernet LAN (10/100BaseTX) and the TCP/IP protocol.

For Internet Access, an ADSL or Cable modem, and an Internet Access account with an

ISP.

•

To use the Wireless Access Point, all Wireless devices must be compliant with the

IEEE802.11b specifications.

The CNWR-811P's PCMCIA slot is designed to

use ONLY 3.3V PCMCIA Wireless cards.

Procedure

Figure 4: Installation Diagram

1. Choose an Installation Site

Select a suitable physical location. Ensure the CNWR-811P and the ADSL/Cable modem

are powered OFF.

2. Insert Wireless PCMCIA card

Ensuring the Wireless PCMCIA card is the right way up, insert it into the slot on the rear.

Push it firmly until it clicks into position.

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CNWR-811P User Guide

3. Connect LAN Cable

Connect a standard LAN cable from a 10BaseT or 100BaseTX Hub on your LAN to the

“HUB” port on the CNWR-811P.

4. Connect WAN Cable

Connect the ADSL or Cable modem to the WAN port on the CNWR-811P. Use the cable

supplied with your modem. If no cable was supplied, use a standard LAN cable.

5. Connect Printer Cable

Use a standard parallel printer cable to connect your printer to the Printer port on the

CNWR-811P.

6. Power Up

Connect the supplied power adapter and power up.

Use only the power adapter provided.

7. Check the LEDs

•

The Status LED should flash, then turn Off. If it stays on, there is a hardware error.

The Power LED should be ON.

One (1) of the LAN LEDs (10 or 100) should be ON.

The Wireless LED should be ON.

If the printer is On and On-line, the Print Act LED should be ON.

For more information, refer to LEDs in Chapter 1.

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Chapter 3

Configuration

This Chapter provides details of the configuration process.

Overview

This chapter describes the procedure for:

•

LAN setup

WAN port configuration for Internet Access

Wireless access point configuration

PCs on your local LAN may also require configuration. For details, see Chapter 4 - PC Con-

figuration.

Other configuration may also be required, depending on which features and functions of the

CNWR-811P you wish to use. Use the table below to locate detailed instructions for the re-

quired functions.

To Do this:

Refer to:

Configure PCs on your LAN.

Chapter 4:

PC Configuration

Learn more about using DHCP on the internal LAN

Chapter 5:

DHCP

Configure the CNWR-811P and routers for a LAN which has 1 Chapter 6:

or more routers.

Routing

Set a password for the CNWR-811P, or disable NAT (Net-

work Address Translation).

Chapter 7:

Options

Use any of the following features:

Chapter 8:

Advanced Internet

Features

•

Special Internet Applications

Virtual Servers

DMZ

Limit Internet Access by individual workstations

Chapter 9:

Access Control

Where use of a certain feature requires that

PCs or other LAN devices be configured, this

is also explained in the relevant chapter.

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CNWR-811P User Guide

Configuration Program

The CNWR-811P contains a HTTP server. This enables you to connect to it, and configure it,

using your Web Browser.

Most Browsers should work, provided they support HTML tables and forms.

Preparation

Before attempting to configure the CNWR-811P, please ensure that:

•

Your PC can establish a physical connection to the CNWR-811P. The PC and the CNWR-

811P must be directly connected (using the “PC” port on the CNWR-811P) or on the same

LAN segment.

•

The CNWR-811P must be installed and powered ON.

If the CNWR-811P's default IP Address (192.168.0.1) is already used by another device,

the other device must be turned OFF until the CNWR-811P is allocated a new IP Address

during configuration.

Connecting to the CNWR-811P

To establish a connection from your PC to the device:

1. After installing the CNWR-811P in your LAN, start your PC. If your PC is already run-

ning, restart it.

2. Start your WEB browser.

3. In the Address box, enter "HTTP://" and the IP Address of the CNWR-811P, as in the

following example, which uses the CNWR-811P’s default IP Address:

HTTP://192.168.0.1

4. You should then see the LAN screen.

If you can't connect

If the CNWR-811P does not respond, check the following:

•

The CNWR-811P is properly installed, LAN connection is OK, and it is powered

ON.

Ensure that your PC and the CNWR-811P are on the same network segment. (If

you don't have a router, this must be the case.)

If your PC is using a fixed IP Address, its IP Address must be within the range

192.168.0.2 to 192.168.0.254 to be compatible with the CNWR-811P's default

IP Address of 192.168.0.1. Also, the Network Mask must be set to

255.255.255.0. See Chapter 4 – PC Configuration for details on checking your

PC’s TCP/IP settings.

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Configuration

Password

If you have assigned a password to the CNWR-811P you will be prompted for the password, as

shown below.

Figure 5: Password Dialog

•

Leave the "User Name" blank.

Enter the password for this device, if one has been set.

If no password has been set, this dialog will not appear.

Navigation & Data Input

•

Use the menu bar on the left of the screen, and the "Back" button on your Browser, for

navigation.

•

Changing to another screen without clicking "Save" does NOT save any changes you may

have made. You must “Save” before changing screens or your data will be ignored.

On each screen, clicking this icon will display

help for that screen.

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CNWR-811P User Guide

LAN Screen

The LAN screen, like the example below, will be displayed when you first connect.

Figure 6: LAN Screen

LAN Configuration.

For most users, the default values for these fields should be satisfactory, and no changes will be

required.

If your LAN contains an existing Router or Routers, refer to Chapter 6 - Routing.

Data – LAN Screen

TCP/IP

IP Address

IP address for the CNWR-811P. Use the default value of 192.168.0.1

unless the address is already in use or your LAN is using a different IP

address range. In the latter case, enter an unused IP Address from within

the range used by your LAN.

Network Mask The default value 255.255.255.0 is standard for small (class "C") net-

works. For other networks, use the Network Mask for the LAN segment

to which the CNWR-811P is attached. i.e. the same value as the PCs on

that LAN segment.

DHCP Server

Operation

If Enabled, the CNWR-811P will allocate IP Addresses to PCs on your

LAN. The default and recommended value is Enabled.

If you are already using a DHCP Server, this setting must be

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Configuration

DISABLED, and the existing DHCP server must be re-configured. See

Chapter 5 for further details.

Start IP Ad-

dress

The IP Start Address and IP Finish Address fields set the values used by

the DHCP server.

Finish IP

Address

This range also determines the number of DHCP clients supported.

(Maximum 253.)

DNS (Domain Name Server)

DNS (Domain

Name Server)

IP Addresses

If your ISP uses a “Dynamic IP Address”, then the DNS is also provided

dynamically. Any DNS values entered here will be used instead of the

dynamically-obtained DNS addresses.

If using a “Fixed IP Address”, your ISP should recommend a DNS.

Multiple DNS entries should be entered in the order you want them

accessed. (The first available DNS will be used.)

Routing Table

If your LAN contains an existing Router or Routers, refer to Chapter 6 -

Routing.

Routing Table

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CNWR-811P User Guide

WAN Configuration

To configure the WAN port:

•

Select WAN from the menu.

Select the appropriate connection type (Direct Connection or PPPoE) on the screen below,

then Click the “Configure” button.

Figure 7: WAN Screen

Tip:

If your connection documentation does not refer to PPPoE, select Direct Connection.

WAN - Direct Connection

Figure 8: WAN - Direct Connection

Data - WAN (Direct Connection)

Device ID

Device (Host)

Name

Normally, there is no need to change the default name, but if your ISP

requests that you use a particular “Hostname”, enter it here. This name

will be provided to, and recorded by, the remote DHCP Server.

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Configuration

Hardware

(MAC)

Address

Also called Network Adapter Address or Physical Address. Provide this

value to your ISP if requested. If you did not provide this value when

first connected, there is no need to provide it now.

IP Address

Dynamic

IP Address

(DHCP Client)

Leave this enabled if you want your ISP to allocate an IP Address to the

CNWR-811P upon connection.

Fixed

IP Address

Select this if using a fixed IP Address. If this option is selected, the

following data must be entered.

•

IP Address.

If connecting to an ISP, this is the address allocated by the ISP. If

connecting to another LAN, this must be a valid address on the ex-

ternal LAN.

•

Network Mask

This must be compatible with the IP Address above

Gateway IP Address

The address of the router or gateway, either on the external LAN, or

supplied by your ISP.

DNS IP Address

At least 1 DNS IP Address is required, and should be provided by your

ISP. DNS settings are on the LAN screen.

Buttons

Retrieve

Defaults

Get the default Device Name and clear the other items. No changes are

made to the configuration until you click the Save button.

Save

Save any data you have entered on this screen. Remember to save before

changing to another screen.

Cancel

Cancel any data you have entered since the last "Save" operation.

Note:

If using Dynamic IP Address, the IP Address, Network Mask, and Gateway fields may dis-

play the values obtained dynamically.

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CNWR-811P User Guide

WAN - PPPoE

Figure 9: WAN Port - PPPoE

Data – WAN (PPPoE)

Account

Account/User The name of the Internet account provided by your ISP.

Name

Password

& Verify

Enter the password for the above account. Re-enter the password in the

Verify field, to ensure it is correct.

IP Address

provided by

ISP

Normally, this is Dynamic; use this setting if your ISP did not provide an

IP Address.

If your ISP did provide an IP Address, select Fixed and enter the value

they provided.

Options

Idle Time-out If an connection is inactive for longer than this time period, it will be

terminated. If zero (0), then the connection will never be terminated.

Connect on

Demand

Normally, this should be Enabled. If disabled, you must use the Connect

button on the Status screen to establish a connection.

Buttons

Save

Save any data you have entered on this screen. Remember to save before

changing to another screen.

Cancel

Cancel any data you have entered since the last "Save" operation.

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Configuration

Wireless Configuration

The CNWR-811P settings must match the other Wireless stations. An example Wireless screen

is shown below.

Figure 10: Wireless Screen

Data – Wireless Screen

Configuration

Regulatory

Domain

It is illegal to use this device in any location outside of the regulatory

domain.

Station name

This is the same as the Device (Host) Name on the WAN screen. On your

PC, some Wireless status screens may display this name as the Access

Point in use.

SSID

To communicate, all Wireless stations MUST use the same SSID/ESSID.

(ESSID)

The default value is default

Note! The SSID is case sensitive.

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CNWR-811P User Guide

Channel No.

Select the value you wish to use on your Wireless LAN. If you experi-

ence lost connections and/or slow data transfers you may need to

experiment with different channels to see which is the best.

WEP Data Privacy

Off

If OFF (default), data is NOT encrypted before being transmitted.

•

If selected, data is encrypted, using the default key, before being

transmitted. The receiving station must be set to 64 Bit Encryption,

and have the same Key value in the same position in its key table.

Otherwise, it will not be able to decrypt the data.

64 Bit

Encryption

Default Key

Select the key you wish to be the default. Transmitted data is

ALWAYS encrypted using the Default Key; the other Keys are for

decryption only.

Key Table

•

This table is used when Encrypting and Decrypting data. All

stations, including this Access Point, always transmit data en-

crypted using their default key. The key number (1, 2, 3, 4) is

also transmitted. The receiving station will use the key number

(1, 2, 3, 4) to determine which key value to use for decryption.

If the key value does not match the transmitting station, decryp-

tion will fail.

The easiest way to ensure there are no problems is to have every

Station, including the Access Point, use the same key table (all

entries identical). Then, it does not matter which key is used as

the default key.

•

If selected, data is encrypted using the key before being transmitted.

The receiving station must be set to use 128 Bit Encryption, and

have the same Key value. Otherwise, it will not be able to decrypt

the data.

128 Bit

Encryption

Key

Enter the key value you wish to use. Other stations must have the

same key.

WEP

Select the appropriate value - "Open System" or "Shared Key". Check

Authentication your Wireless card's documentation to see what method to use. Some

Wireless cards do not support both methods.

Wireless Station Access

•

If enabled (default), this device can act as a Wireless Access Point.

Enable

Wireless Access

Point

If not enabled, no Wireless stations can use this device as a Wireless

Access Point.

•

This lists the Wireless stations you have entered. If you have not

entered any stations, this list will be empty.

Existing

Stations

To delete an entry, select it, and click the "Delete" button. Multiple

entries may be selected by hold down the CTRL key while selecting.

(On the Macintosh, use SHIFT instead of CTRL.)

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Configuration

•

Use this field to add a new station to the list. Just enter its address

here, and click the "Add" button.

New station

Address

Use the software supplied with your Wireless unit to determine its

address. The address consists of 12 letters (A..F) and digits (0..9)

like this example:

10F810A81091

The address may be shown with separators ( : or - ) between each

pair of characters.

Do NOT enter the separators ( : or - ) in this field.

Access

Permission

•

For Wireless Stations listed above

This setting determines what type of access is available to Wireless

stations whose address has been entered in the "Wireless Stations"

list.

•

For Other Wireless Stations

This setting determines what type of access is available to Wireless

stations whose address is NOT in the "Wireless Stations" list.

For either category, if neither "Internet" nor "LAN" access is en-

abled, Wireless stations are unable to use this Access Point.

Buttons

Delete

Add

Delete will delete the selected entry or entries in the list.

Add will add the New Station data to the list.

Save

Save will save the other data on the screen. This has no effect on the

contents of the Wireless Stations list.

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CNWR-811P User Guide

WAN Status

Clicking WAN Status on the menu bar will take you to the WAN Status screen. The screen

shown will depend on whether you are using a Direct Connection or PPPoE.

WAN Status – Direct Connection

Figure 11: WAN Status – Direct Connection

Data

WAN Status

Physical Address The "Hardware" address of this device, as seen by other devices on the

WAN.

IP Address

The IP Address of this device, as seen by devices on the WAN.

(This device has 2 IP Addresses; one for the local LAN, and another

for the WAN port.)

Network Mask

The Network Mask for the above IP Address.

Default Gateway IP address of the Router/Gateway on the WAN port.

DHCP Client

Displays "Enabled" or "Disabled", indicating whether this device is

acting as a DHCP client on the external LAN or WAN.

Buttons

Reconnect

Use this button if the connection seems to have been lost, and no data is

being transferred. (This button has no effect unless acting as a DHCP

Client.)

Refresh

Update the data on screen.

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Configuration

WAN Status – PPPoE

Figure 12: WAN Status – PPPoE

Status Data

WAN Status

Physical Address The "Hardware" address of this device, as seen by other devices on the

WAN.

IP Address

The IP Address of this device, as seen by devices on the WAN.

(This device has 2 IP Addresses; one for the local LAN, and another

for the WAN port.)

Network Mask

The Network Mask (Subnet Mask) for the IP Address above.

PPPoE Link

Status

This indicates whether or not the connection is currently established.

If the connection does not exist, the Connect button can be used to

establish a connection.

If the connection currently exists, the Disconnect button can be used to

break the connection.

Connection Log

Log Data

The Connection Log shows status messages relating to the existing

connection.

The most common messages are listed in the following table.

Buttons

Connect

If not connected, establish a connection to your ISP

If connected to your ISP, hang up the connection.

Disconnect

Clear Log

Delete all data currently in the Log. This will make it easier to read new

messages.

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CNWR-811P User Guide

Refresh

Contact this device and update the Log data.

Connection Log Messages

Message

Description

Connect on

Demand

Connection attempt has been triggered by the "Connect on De-

mand" setting.

Manual connection

Connection attempt started by the "Connect" button.

Preparing line for connection attempt.

Reset physical

connection

Connecting to remote Attempting to connect to the the ISP's server.

server

Remote Server

located

ISP's Server has responded to connection attempt.

Start PPP

Attempting to login to ISP's Server and establish a PPP connection.

Able to login to ISP's Server and establish a PPP connection.

PPP up successfully

Idle time-out reached The connection has been idle for the time period specified in the

"Idle Time-out" field. The connection will now be terminated.

Disconnecting

The current connection is being terminated, due to either the "Idle

Time-out" above, or "Disconnect" button being clicked.

Error: Remote Server ISP's Server did not respond. This could be a Server problem, or a

not found

problem with the link to the Server.

Error: PPP Connec-

tion failed

Unable to establish a PPP connection with the ISP's Server. This

could be a login problem (name or password) or a Server problem.

Error: Connection to

Server lost

The existing connection has been lost. This could be caused by a

power failure, link failure, or Server failure.

Error: Invalid or

The data received from the ISP's Server could not be processed.

unknown packet type This could be caused by data corruption (from a bad link), or the

Server using a protocol which is not supported by this device.

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Configuration

LAN/Device Status

The LAN Status link on the menu will result in a screen like the example below.

Figure 13: Status Screen

Data – LAN/Device Status

Device

Firmware Version Version of the firmware (embedded software, including this program)

which is currently installed.

Hardware ID

The hardware ID of this device, used by the manufacturer.

Network Address

Translation

This will display "Enabled" (NAT is On) or "Disabled" (NAT is Off)

LAN Port

Physical Address

The "Hardware" address of this device, as seen by other devices on

the Internal LAN.

IP Address

The IP Address of this device, as seen by other devices on the Inter-

nal LAN.

Network Mask

DHCP Server

The Network Mask (Subnet Mask) for the IP Address above.

This shows the status of the DHCP Server function. The value will be

"Enabled" or "Disabled".

DHCP Table

IP Address

The IP Address which has been allocated by the DHCP server to the

other device.

Physical Address

The Physical Address (Hardware Address) of the device which has

been allocated a IP Address.

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CNWR-811P User Guide

Status

Possible Status values are "Leased" (the IP Address is allocated to the

device shown) or "Reserved" (the IP Address is not available).

Note:

The DHCP table will be empty unless the DHCP Server function is being used. If not

empty, this table lists the devices on the LAN which have been allocated IP Addresses by

the DHCP server function.

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Chapter 4

PC Configuration

This Chapter details the PC Configuration required on the local ("Internal")

LAN.

Overview

For each PC, the following may to be configured:

•

TCP/IP network settings

Internet Access configuration

Network printer

Wireless configuration

TCP/IP Settings

If using the default CNWR-811P settings, and the default Windows 95/98 TCP/IP settings, no

changes need to be made.

•

By default, the CNWR-811P will act as a DHCP Server, automatically providing a suitable

IP Address to each PC when the PC boots.

•

The default Windows 95/98 TCP/IP setting is to act as a DHCP client.

To check your PC's TCP/IP Settings:

1. Select Control Panel - Network. You should see a screen like the following:

Figure 14: Network Configuration

2. Select the TCP/IP protocol for your network card.

3. Click on the Properties button. You should then see a screen like the following.

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CNWR-811P User Guide

Figure 15: IP Address (Win 95)

Ensure your TCP/IP settings are correct, as follows:

Using DHCP

To use DHCP, select the radio button Obtain an IP Address automatically. This is the default

Windows settings.

Restart your PC to ensure it obtains an IP Address from the CNWR-811P.

Using “Specify an IP Address”

•

If your PC is already configured, do NOT change the settings on the IP Address tab shown

in Figure 15 above.

•

On the Gateway tab, enter the CNWR-811P's IP address in the New Gateway field and

click Add. Your LAN administrator can advise you of the IP Address they assigned to the

CNWR-811P.

Figure 16: Gateway Tab (Win 95/98)

•

On the DNS Configuration tab, ensure Enable DNS is selected. If the DNS Server Search

Order list is empty, enter the DNS address provided by your ISP in the fields beside the

Add button, then click Add.

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PC Configuration

Figure 17: DNS Tab (Win 95/98)

If your LAN has a Router, the LAN Adminis-

trator must re-configure the Router itself.

Refer to

for details.

Chapter 6 - Routing

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CNWR-811P User Guide

Internet Access Configuration

If you are using the CNWR-811P for Internet access:

•

Ensure that the DSL modem, Cable modem, or other permanent connection is functional.

Use the following procedure to configure your Browser to access the Internet via the LAN,

rather than by a Dial-up connection.

1. Select Start Menu - Settings - Control Panel - Internet Options.

2. Select the Connection tab, and click the Setup button.

3. Select "I want to set up my Internet connection manually, or I want to connect through a

local area network (LAN)" and click "Next".

4. Select "I connect through a local area network (LAN)" and click "Next".

5. Ensure all of the boxes on the following Local area network Internet Configuration screen

are unchecked.

6. Check the "No" option when prompted “Do you want to set up an Internet mail account

now?”.

7. Click "Finish" to close the Internet Connection Wizard.

8. Then simply use your Browser, FTP client, or other Internet client to connect to the desired

Internet site.

Accessing AOL

To access AOL (America On Line) through the CNWR-811P, the AOL for Windows software

must be configured to use TCP/IP network access, rather than a dial-up connection. The con-

figuration process is as follows:

•

Start the AOL for Windows communication software. Ensure that it is Version 2.5, 3.0 or

later. This procedure will not work with earlier versions.

•

Click the Setup button.

Select Create Location, and change the location name from "New Locality" to "CNWR-

811P".

•

Click Edit Location. Select TCP/IP for the Network field. (Leave the Phone Number

blank.)

Click Save, then OK.

Configuration is now complete.

Before clicking "Sign On", always ensure that you are using the "CNWR-811P" location.

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PC Configuration

Printing Setup

The CNWR-811P provides printing support for 2 methods of printing from Windows:

•

Print Port Driver. After installing the Print Port Driver, Windows users can print directly

to the CNWR-811P. Print jobs are spooled (queued) on each PC.

The supplied Print Port Driver supports Windows 95/98, Windows ME, Windows NT4.0,

and Windows 2000.

•

LPD/LPR Printing. If using Windows NT 4.0 Server or Windows 2000 Server,

LPD/LPR printing can be used. No software needs to be installed on either the Windows

Server or each client PC. Print jobs will be spooled (queued) on the Windows Server, and

can be managed using the standard Windows Server tools.

Print Port Driver Setup

The following procedure is for Windows 95/98, Windows ME, Windows NT4.0, and Windows

2000.

1. Insert the supplied CD-ROM into your drive. If the setup program does not start automati-

cally, run SETUP.EXE in the root folder.

2. At the Setup Type screen, select the correct model.

3. At the Select Components screen, select the Print Port Driver option.

4. Follow the prompts to complete the installation.

5. The Print Port Setup will then run, and the following screen will be displayed.

Figure 18: Print Port Setup

6. Select the desired device and port, and then click the "Add" button.

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CNWR-811P User Guide

If you see the following error message, either install Internet

Explorer 4 or later, or follow the procedure in the "Trouble

Shooting - Printing" section of Appendix A.

7. A pop-up message will inform you if the port has been created successfully, and then the

Windows Add Printer wizard will start.

•

Select the correct Printer Manufacturer and Model, or use the "Have Disk" option if

appropriate.

If desired, change the Printer name so it indicates the device used (e.g. HP2100 on

SCA43600)

If prompted about Sharing, do NOT enable Sharing.

8. Installation is now complete. You can now print using this printer.

•

To install additional Printers, repeat steps 6 and 7.

Use the Start menu to run this program in future. The default installation is Start -

Programs - Broadband Internet Router - Add Port.

Management

•

Print jobs can be managed like any Windows printer. Open the Printers folder (Start -

Settings - Printers) and double-click any printer to see the current print jobs.

If the printer attached to the CNWR-811P is changed, just run this program again, and

select the correct printer.

To delete a port created by this setup program, use the Windows Delete Port facility:

•

Right-click any printer in the Printers folder, and select Properties.

Locate the Delete Port button. This button is on the Details or Ports tab, depending on

your version or Windows.

•

If the CNWR-811P's IP Address is changed, and you can no longer print, delete the port

(see procedure above) and re-install it.

Port Options

The options for the Print Port Driver are accessed via the Windows Port Settings button.

Use Start - Settings - Printers to open the Printers folder, then right-click the Printer, and select

Properties. The Port Settings button is on the Details or Port tab, depending on your version of

Windows.

An example screen is shown below:

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PC Configuration

Figure 19: Print Port Configuration

Items shown on this screen are as follows:

Port

If desired, click Browse to select a different device. (The Select

Device Port button is provided to allow this software to work

with multi-port models.)

The Port Name is shown in the Printer's Properties.

Banner

Check this option to print a banner page before each print job.

•

If using a PostScript Printer, check the PostScript box.

The User Name will be printed on the banner page.

Retry

Interval

Sets how often Windows will poll the CNWR-811P to establish a

connection when the printer is busy. Increase this value if you get

too many warning messages.

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CNWR-811P User Guide

LPD/LPR Printing

LPD/LPR printing can be used with Windows NT 4.0 Server or Windows 2000. No software

needs to be installed.

Windows NT 4.0 Server Configuration

To use LPD printing, Microsoft TCP/IP Printing must be installed and enabled. This can be

checked using Start-Settings-Control Panel-Network - Services.

To install LPD printing using the CNWR-811P, follow this procedure:

1. Go to Start-Settings-Printer and invoke the Add Printer wizard.

2. When prompted with "This printer will be managed by..", select My Computer and click

Next.

3. Select Add Port…, then select LPR Port and click New Port.

4. In the Dialog requesting Name of Address of server providing lpd, enter the IP address of

the CNWR-811P.

5. For Name of printer or print queue on that server, enter L1

6. Click OK. When returned to the Printer Ports window, simply select Close and then install

your printer driver as usual.

7. When prompted whether or not the printer will be shared, select the Sharing radio button.

8. In the Shared dialog box, enter the shared printer name. The shared name is how other

users will see this printer. You should advise client PCs of the Server name and this printer

name.

9. Click OK to save and exit.

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PC Configuration

Windows 2000 Server Configuration

The LPD/LPR Port is not enabled by default. To enable it, use this procedure:

1. In Control Panel, select Add/Remove Programs, then Windows Components.

2. Select Other Network File and Print Services, then click the Details button.

Figure 20: Adding LPD/LPR Port (Win 2000)

3. Enable Print Services for Unix, and click OK.

4. Click Next and complete the Wizard.

Adding the Printer

1. Open your Printers folder, and start the Add Printer Wizard.

2. When prompted, select Local Printer.

3. On the Select the Printer Port screen, select LPR Port, as shown below. Click Next to

continue.

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CNWR-811P User Guide

Figure 21: Windows 2000: Select Port

4. In the Dialog requesting Name of Address of server providing lpd, enter the IP address of

the CNWR-811P.

5. For Name of printer or print queue on that server, enter L1.

6. Click OK, and then Next, and continue the Wizard.

7. At the Select Sharing screen, select the Radio Button for Share As, and enter the shared

printer name. The shared name is how other users will see this printer. You should advise

client PCs of the Server name and this printer name.

8. Complete the Add Printer wizard.

Client PC Setup for LPD/LPR Printing

After configuring the Windows Server, client PCs on the LAN can install the new printer.

The following procedure is for Windows 95/98/ME, Windows NT4.0, and Windows 2000

workstation.

1. Open your Printers folder, and start the Add Printer Wizard.

2. When prompted, select Network Printer.

3. When prompted for Network Path or Queue Name, click the Browse button, and locate the

Server and Printer which your Network Administrator advised you to use.

4. Click OK, then Next.

5. Select the correct printer Manufacturer and Model, as advised by your Network Adminis-

trator, and click Next.

6. Follow the prompts to complete the Wizard.

7. The new printer will be listed with any other installed printers, and may be selected when

printing from any Windows application.

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PC Configuration

Macintosh Configuration

The CNWR-811P currently does not support printing from the Macintosh, but you can access

the Internet via the CNWR-811P. The procedure is as follows.

1. Open the TCP/IP Control Panel.

2. Select Ethernet from the Connect via pop-up menu.

3. Select Using DHCP Server from the Configure pop-up menu. The DHCP Client ID field

can be left blank.

4. Close the TCP/IP panel, saving your settings.

Note:

If using manually assigned IP addresses instead of DHCP, the only change required is to

set the Router Address field to the CNWR-811P's IP Address.

Wireless Configuration

To use the Wireless Access Point in the CNWR-811P, each Wireless Station must have com-

patible settings, as follows:

Mode

The mode must be set to Infrastructure.

SSID (ESSID)

This must match the value used on the CNWR-811P. The default value is

default

Note! The SSID is case sensitive.

WEP

By default, WEP on the CNWR-811P is disabled.

•

If WEP remains disabled on the CNWR-811P, all stations must have

WEP disabled.

•

If WEP was enabled on the CNWR-811P, each station must use the

same WEP settings as the CNWR-811P.

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Chapter 5

DHCP

This Chapter covers the use of DHCP, using either an existing DHCP Server

or the CNWR-811P's DHCP Server function.

Overview

If your LAN does not use DHCP, and you do not wish to use DHCP, you can ignore this

chapter.

What DHCP Does

A DHCP (Dynamic Host Configuration Protocol) server allocates a valid IP address to a

DHCP client (PC or device) upon request.

•

The client request is made when the client device boots.

The DHCP Server provides the Gateway and DNS addresses to the client, as well as

allocating an IP Address.

•

Windows 95/98/ME include all the software required to act as a DHCP client. This is the

default Windows setting for TCP/IP. However, Windows uses the term Obtain an IP Ad-

dress automatically instead of "DHCP Client".

The CNWR-811P can act as a DHCP server.

Using the CNWR-811P's DHCP Server

This is the default setting. The DHCP Server settings are on the LAN screen. On this screen,

you can:

•

Enable or Disable the CNWR-811P's DHCP Server function.

Set the range of IP Addresses allocated to PCs by the DHCP Server function.

You can assign Fixed IP Addresses to some devices

while using DHCP, provided that the Fixed IP Addresses

are NOT within the range used by the DHCP Server.

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DHCP

Using another DHCP Server

You can only use one (1) DHCP Server. If you wish to use another DHCP Server, rather than

the CNWR-811P’s, the following procedure is required.

1. Disable the DHCP Server feature in the CNWR-811P. This setting is on the LAN screen.

2. Configure the DHCP Server to provide the CNWR-811P’s IP Address as the Default

Gateway.

To Configure your PCs to use DHCP

This is the default setting for TCP/IP under Windows 95/98/ME. See Chapter 4 – Client

Configuration for the procedure to check these settings.

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Chapter 6

Routing

This Chapter explains the Routing features of the CNWR-811P.

Overview

While the CNWR-811P includes a standard (static) routing table, this feature can be completely

ignored if you do not have a router in your LAN.

If you DO have a router, it is necessary to configure BOTH the Router and the Routing table in

the CNWR-811P correctly, as described in the following sections.

See

on page 40 for an

Routing Example

example of configuring both the CNWR-

811P and the Router.

CNWR-811P Configuration

The routing table is accessed by the Routing link on the LAN screen. An example screen is

shown below.

Figure 22: Routing Screen

Using this Screen

Any existing entries are listed. To view and edit the details of an existing entry, select it, and

click "Get Data". After making any changes, click the "Update" button to save your changes.

To add a new entry, click "Clear Form", enter your data, then click the "Add" button.

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Routing

Routing Table Data

An entry in the routing table is required for each LAN segment on your Network, other than the

segment to which this device is attached. The data in the Routing Table is as follows.

Destination

IP Address

The network address of the remote LAN segment.

For standard class "C" LANs, the network address is the first 3 fields of

this Destination IP Address. The 4^th(last) field can be left at 0.

Network Mask The Network Mask used on the remote LAN segment. For class "C"

networks, the standard Network Mask is 255.255.255.0

Gateway

IP Address

The IP Address of the Router on the LAN segment to which this device is

attached. (NOT the router on the remote LAN segment.)

Interface

Metric

Select the appropriate interface - LAN (Internal LAN) or WAN (Exter-

nal LAN or WAN) from the drop-down list.

The number of routers which must be traversed to reach the remote LAN

segment. The default value is 1.

Router Configuration

It is essential that all IP packets for devices not on the local LAN be passed to the CNWR-

811P, so that they can be forwarded to the external LAN, WAN, or Internet. To achieve this,

the local LAN must be configured to use the CNWR-811P as the Default Route or Default

Gateway.

Local Router

The local router is the Router installed on the same LAN segment as the CNWR-811P. This

router requires that the Default Route is the CNWR-811P itself. Typically, routers have a

special entry for the Default Route. It should be configured as follows.

Destination IP Address Normally 0.0.0.0, but check your router

documentation.

Network Mask

Normally 0.0.0.0, but check your router

documentation.

Gateway IP Address

Metric

The IP Address of the CNWR-811P.

Other Routers on the Local LAN

Other routers on the local LAN must use the CNWR-811P’s Local Router as the Default Route.

The entries will be the same as the CNWR-811P's local router, with the exception of the Gate-

way IP Address.

•

For a router with a direct connection to the CNWR-811P's local Router, the Gateway IP

Address is the address of the CNWR-811P's local router.

•

For routers which must forward packets to another router before reaching the CNWR-

811P's local router, the Gateway IP Address is the address of the intermediate router.

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CNWR-811P User Guide

Routing Example

Router A

(192.168.1.80)

(192.168.0.100)

Segment 1

Segment 0

(192.168.1.xx)

(192.168.0.xx)

Wireless

Router B

Router

(192.168.1.90)

(192.168.2.70)

(192.168.0.1)

Segment 2

(192.168.2.xx)

Figure 23: Routing Example

For the LAN shown above, with 2 routers and 3 LAN segments, the required entries would be

as follows.

For the CNWR-811P's Routing Table

The CNWR-811P requires 2 entries as follows.

Entry 1 (Segment 1)

Destination IP Address

Network Mask

Gateway IP Address

Interface

192.168.1.0

255.255.255.0 (Standard Class C)

192.168.0.100 (CNWR-811P's local Router)

LAN

Metric

Entry 2 (Segment 2)

Destination IP Address

Network Mask

Gateway IP Address

Interface

192.168.2.0

255.255.255.0

192.168.0.100

LAN

Metric

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Routing

For Router A's Default Route

Destination IP Address

Network Mask

0.0.0.0

Gateway IP Address

192.168.0.1

(CNWR-811P's IP Address)

For Router B's Default Route

Destination IP Address

Network Mask

0.0.0.0

Gateway IP Address

192.168.1.80

(CNWR-811P's local router)

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Chapter 7

Options

This Chapter details the options available on the CNWR-811P's "Options"

screen.

Overview

An example Options screen is shown below.

Figure 24: Options Screen

Password

Once a password is entered, it is required in order to change the device configuration. Pass-

words are case sensitive and can be up to 8 alphanumeric characters (no spaces or punctuation).

To create or change the password, enter the required password in both the New Password and

Verify Password input fields.

When prompted for the password, leave

the "User Name" blank.

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Options

NAT (Network Address Translation)

NAT allows PCs on your LAN to share a single external (Internet) IP Address. This IP Address

is supplied by your ISP. Use the following to determine whether or nor you need NAT.

•

For Internet access, NAT must be left On unless all PCs on your LAN have valid external

IP Addresses.

In other situations, NAT is not normally required. With NAT disabled, the CNWR-811P

will act as a static router.

If NAT is disabled, the Firewall protection provided by the CNWR-811P is lost, and the

Advanced Internet features (Virtual Servers, Special Applications, and DMZ) are no longer

available.

TFTP

TFTP (Trivial FTP) can be used to upgrade the firmware in the CNWR-811P. However, this is

not normally required; there is a Windows utility available for this purpose.

Remote Management

This feature allows you to manage the CNWR-811P via the Internet.

Enable Remote

Management

Enable to allow management via the Internet. If Disabled, this

device will ignore management connection attempts from the WAN

port.

Port Number

Enter a port number between 1024 and 65535 (8080 is recom-

mended). This port number must be specified when you connect

(see below).

Note: The default port number for HTTP (Web) connections is port

80, but using port 80 here will prevent the use of a Web "Virtual

Server" on your LAN. (See Advanced Internet - Virtual Servers)

Current WAN Port

IP Address

You must use this IP Address to connect (see below).

This IP Address is allocated by your ISP. But if using a Dynamic IP

Address, this value can change each time you connect to your ISP.

So it is better if your ISP allocates you a Fixed IP Address.

To connect from a remote PC via the Internet

1. Ensure your Internet connection is established, and start your Web Browser.

2. In the "Address" bar, enter "HTTP://" followed by the WAN IP Address of the CNWR-

811P. If the port number is not 80, the port number is also required. (After the IP Address,

enter ":" followed by the port number.)

e.g.

HTTP://123.123.123.123:8080

This example assumes the WAN IP Address is 123.123.123.123, and the port number is

8080.

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Chapter 8

Advanced Internet

This Chapter explains how to use the CNWR-811P's "Advanced Internet"

features.

Overview

For situations where the CNWR-811P is being used to provide shared Internet access, the

following advanced features are provided.

•

Special Internet Applications

Virtual Servers

DMZ

This chapter contains details of the configuration and use of each of these features.

Advanced Internet Screen

This screen provides access to the advanced Internet features, and provides a convenient

overview and control center. An example screen is shown below.

Figure 25: Advanced Internet Screen

On this screen, you can enable any required feature. By default, all features are disabled.

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Advanced Internet

Special Internet Applications

This feature is only required if you wish to use Internet applications which require 2-way

communication, multiple connections, or combined TCP/UDP connections.

Examples of such applications are Internet Videoconferencing, Telephony, Games Servers, and

other special-purpose Servers.

Generally, you will become aware of the need for this feature when an Internet application is

unable to function correctly.

At any time, only one (1) PC can use

each Special Application.

Special Applications Screen

This screen can be reached by selecting Special Internet Applications. An example screen is

shown below.

Figure 26: Special Applications Screen

Using a Special Application

•

Ensure that Special Applications has been enabled on the Advanced Internet screen.

Configure the Special Applications screen as required.

Configuration data must be obtained from the

Service/Application provider.

•

If an application still cannot function correctly,

try using the "DMZ" feature.

Some Special Applications have been defined not enabled.

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CNWR-811P User Guide

•

To Enable a defined Application

- Select it from the drop-down list

- Click "Get Data"

- Check the Enable checkbox

- Click "Update"

•

To Disable a defined Application

- As above, but uncheck the Enable checkbox.

To Delete a defined Application

- Select it from the drop-down list,

- Click "Delete"

•

To Modify (Edit) a defined Application

- Select it from the drop-down list,

- Click "Get Data"

- Make any desired changes

- Click "Update"

•

To Create a new Application

- Click "Clear Form"

- Enter the required data, as described below

- Click "Add"

To List all Applications

- Click "List All"

Configuration Data (from Service Provider)

This data must be obtained from the service provider.

Name

Enter a descriptive name to identify this application entry.

Enable

Outgoing

Protocol

Use this to Enable or Disable support for this application, as required.

The protocol (TCP or UDP) used when you connect to the special applica-

tion service.

Port Range:

Start

The beginning of the range of port numbers used by the application server,

for data you send to it. If the application uses a single port number, enter it in

both the "Start" and "Finish" fields.

Port Range:

Finish

The end of the range of port numbers used by the application server, for data

you send.

Incoming

Protocol

The protocol (TCP or UDP) used when the application or service sends data

to you.

Port Range:

Start

The start of the range of port numbers used by the application server when

data is sent to you. If using only one port number, enter it in both the "Start"

and "Finish" fields.

Port Range:

Finish

The end of the range of port numbers used by the application server, when

data is sent to you.

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Advanced Internet

Virtual Servers

This feature allows you to make Servers on your LAN accessible to Internet users. Normally,

Internet users would not be able to access a server on your LAN because:

•

Your Server does not have a valid external IP Address.

Attempts to connect to devices on your LAN are blocked by the firewall in this device.

The "Virtual Server" feature solves these problems and allows Internet users to connect to your

servers, as illustrated below.

192.168.0.1

(LAN IP Address)

Wireless

Router

203.70.212.52

(WAN IP Address)

Web Server

(192.168.0.10)

FTP Server

(192.168.0.20)

Internet

Remote PC

Using Web Server

Using FTP Server

(ftp://203.70.212.52)

(http://203.70.212.52)

Figure 27: Virtual Servers

IP Address seen by Internet Users

Note that, in this illustration, both Internet users are connecting to the same IP Address, but

using different protocols.

To Internet users, all virtual Servers on your LAN have the same IP Address.

This IP Address is allocated by your ISP.

This address should be static, rather than dynamic, to make it easier for Internet users to con-

nect to your Servers. If using a Static IP Address, it is entered on the "WAN" screen.

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Types of Virtual Servers

The CNWR-811P supports two (2) types of Virtual Servers:

•

Pre-defined - Standard server types. The only data required is the IP Address of the server

on your LAN.

•

User-defined - Non-standard servers. You must provide additional information about the

server.

Note:

The TOTAL number of Virtual Servers which can be used at any time is 10.

Virtual Server Configuration

The Virtual Servers screen is reached by the Advanced Internet - Virtual Servers link. An

example screen is shown below.

Figure 28: Virtual Server Screen.

Data

•

This shows the IP Address which Internet users must use to

connect to any of your Virtual Servers.

WAN IP Address

To Internet Users, ALL your Virtual Servers have the same IP

Address.

This IP Address is allocated by your ISP. It is better to have a

fixed IP Address.

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Advanced Internet

Type

Select the type of Server you wish to use.

Check to enable this Server.

Enable

•

Enter the IP Address of a PC on your LAN.

LAN IP Address

You must install and configure the appropriate Server software

on the PC entered here.

•

If using DHCP, the LAN IP Address of a PC may change. To

solve this problem, use either of these methods:

•

Assign a fixed IP Address to the Server PC, ensuring that

its IP Address is NOT within the address range allocated

by the DHCP Server.

•

Reserve an IP Address for the Server PC in the DHCP

Server, using the Access Control - PC screen.

User Defined Virtual Servers

If the type of Server you wish to use is not listed on the Virtual Servers screen, you can define

it using this feature.

Select Advanced Internet - User Defined Virtual Servers to see a screen like the example

below.

Figure 29: User Defined Virtual Servers

•

To Create a new Server

- Click "Clear Form"

- Enter the required data (See next section)

- Click "Add"

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•

To Modify (Edit) a defined Server

- Select it from the drop-down list,

- Click "Get Data"

- Make any desired changes. Note that you can "Enable" and "Disable" a Server using this

process.

- Click "Update"

•

To Delete a defined Server

- Select it from the drop-down list,

- Click "Delete"

To List all Servers

- Click "List All"

Data

•

This shows the IP Address which Internet users must use to connect to

any of your Virtual Servers.

WAN IP

Address

To Internet Users, ALL your Virtual Servers have the same IP Ad-

dress.

This IP Address is allocated by your ISP. It is better to have a fixed IP

Address.

Select Server

This lists any Servers you have defined. Click the "Get Data" button to

view the correct data for the selected Server.

Details

Name

Enter a descriptive name to identify this Server entry.

Enable

Use this to Enable or Disable support for this Server, as required.

IP Address

The IP Address of the PC on your LAN which is running the Server

software.

Protocol

Select the protocol (TCP or UDP) used by the Server.

Internal Port Enter the port number used by the Server to connect to clients.

Number

External Port The port number used by clients when connecting to the Server. This is

Number

normally the same as the Internal Port Number.

If it is different, this device will perform a "mapping" or "translation"

function, allowing the server to use one port address, while clients use a

different port address.

From the Internet, ALL Virtual Servers have the

IP Address allocated by your ISP, as shown by

the "WAN IP Address".

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Advanced Internet

Connecting to the Virtual Servers

Once configured, anyone on the Internet can connect to your Virtual Servers. They must use the

WAN Port IP Address (the IP Address allocated to this device by your ISP).

e.g.

http://203.70.212.52

ftp://203.70.212.52

It is more convenient if you are using a Fixed IP Address from your ISP, rather than Dynamic.

If using a Fixed IP Address, it is entered on the WAN screen.

DMZ

This feature, if enabled, allows one (1) computer on your LAN to be exposed to all users on the

Internet, allowing unrestricted 2-way communication between the "DMZ" PC and other Internet

users or Servers.

This allows connection to special-purpose servers which require proprietary client software, or

2-way user connections such as Video-conferencing, which requires both users to run special

software.

To allow unrestricted access, the Firewall in

this device is disabled, creating a security

risk.

You should use this feature only if the "Special Applications" feature is insuffi-

cient to allow an application to function correctly. This feature should be turned

ON only when needed, and left OFF the rest of the time.

Configuring the DMZ

Select Advanced Internet from the navigation bar, then DMZ to see a screen like the following:

Figure 30: DMZ Screen

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Data

Enable

Enable DMZ

Feature

Use this to Enable or Disable the DMZ feature. The DMZ feature

should be disabled when not required.

LAN IP Address

Enter the IP Address of the PC on your LAN which will become the

"DMZ" PC.

If using DHCP, the LAN IP Address of a PC may change. To solve

this problem, you can use either of these methods:

•

Assign a fixed IP Address to the DMZ PC, ensuring that its IP

Address is NOT within the address range allocated by the DHCP

Server.

•

Reserve an IP Address for the DMZ PC in the DHCP Server,

using the Access Control - PC screen.

WAN IP Address

This is the IP Address Internet users must use to connect to the

"DMZ" PC.

This IP Address is allocated by your ISP. It is better if you are using a

fixed IP Address, so that it never changes. This will make it easier for

Internet users to connect to you. If using a Static IP Address, it is

entered on the "WAN" screen.

To Internet users, the IP Address of the DMZ com-

puter is the IP Address allocated by your ISP, as

shown by the "WAN IP Address" value.

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Chapter 9

Access Control

This Chapter explains how to configure and use the CNWR-811P's "Access

Control" feature.

Overview

The Access Control feature allows administrators to restrict Internet Access by individual PCs.

The process uses "Packet Filtering" to block or discard data packets. By default, no packets are

blocked or discarded.

To use this feature:

•

Set the desired restrictions on the "Everyone" group. All PCs are in the "Everyone" group

unless explicitly moved to another group, using the PC screen.

•

Set the desired restrictions on the other groups ("Group 1", "Group 2", etc ) as needed.

For each PC you wish to move from the "Everyone" group, enter their details on the PCs

screen, and assign them to the desired group

You can limit Internet access for ALL PCs without

entering ANY PC data. Simply apply the desired

restrictions to the "Everyone" group.

It is also possible to define your own packet filters, and use these filters in addition to the pre-

defined filters. Defining your own filters is optional.

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CNWR-811P User Guide

Security Groups

The Security Groups screen is reached from the Access Control link on the navigation bar. An

example screen is shown below.

Figure 31: Security Groups Screen

Note that the Security groups are pre-named "Everyone", "Group 1", "Group 2", "Group 3",

and "Group 4".

Operations

•

To Define a Security Group:

Select the group from the drop-down box, then enter the required data. If necessary, click

Clear Form to remove the existing information shown on screen.

Click the Save button when finished.

To Change Access for an Existing Group:

Select the group from the drop-down box, click Get Data to view their information, then

change any fields you wish.

Click Save when finished.

To Assign PCs to a Security Group

All PCs are initially in the "Everyone" group. Use the PCs screen to move individual PCs

to other groups as required.

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Access Control

Data

The following data is required.

Access Rights: Internet Access for this Group

No restrictions

No packets are blocked. Use this to create an "Unlimited Access"

group, or to temporarily remove restrictions.

Block all Access

Group members cannot access the Internet at all. Use this to create the

most restrictive group.

Use Packet Filter Use this to define intermediate levels of access. Using the Packet Filter

Table below

table gives you fine control over Internet access.

Simply select the items you wish to block. You can choose from the

pre-defined filters in the Applications to Block column, or your own

filters in the TCP Packets to Discard and UPD Packets to Discard

column.

Packet Filter Table

Applications to

Block

Any items checked will be blocked. Users will not be able to use the

application.

TCP Packets to

Discard

This lists any TCP filters you have defined on the Filters screen. If no

filters have been defined, this is empty.

Multiple items can be selected (or deselected) by holding down the Ctrl

key while selecting items.

Selected items can NOT be accessed by members of this group.

UDP Packets to

Discard

This lists any UDP filters you have defined on the Filters screen. If no

filters have been defined, this is empty.

Multiple items can be selected (or deselected) by holding down the Ctrl

key while selecting items.

Selected items can NOT be accessed by members of this group.

If you have not defined your own filters, but

wish to do so, refer to "Filters" later in this

chapter.

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PCs

The PCs screen is reached from the Access Control link on the navigation bar. An example

screen is shown below.

Figure 32: PCs Screen

Note that the drop-down box lists all PCs previously entered. If none have been entered, this

box will be empty.

Operations

•

To Add a New PC:

Ignore the drop-down box, click the Clear Form button, and enter the PC details in the

fields provided.

Click Add when finished.

•

To Delete an Existing PC:

Select the PC from the drop-down box, click Get Data to view the information and confirm

that this is the correct PC, then click the Delete button.

To Change an Existing PC's Details:

Select the PC from the drop-down box, click Get Data to view their information, then

change any fields you wish.

Click Update when finished.

•

To Generate a List of all PCs:

Just click on the List All button.

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Access Control

Data

PC Name

Enter a name to identify this PC.

Network Adapter

Address

Hardware address for this PC. You can use the Windows "Winipcfg"

program or your LAN management program to find this address.

Reserve entry in

DHCP Table

Check this if you wish to reserve an IP address for this PC. This is

useful if you have to provide the IP Address for other programs or

users.

If this is left unchecked, the following entry can be ignored.

Reserved

IP Address

This relates to the entry above. Enter the reserved address here. This

MUST be within the range used by the DHCP server (set on the

Device - Internal LAN Port screen).

Security Group

Select the security group for this PC. If you only wish to reserve an IP

Address, and are not using the security (access control) features,

simply leave this at "Everyone".

Filters

The Filters screen is reached from the Access Control link on the navigation bar. An example

screen is shown below.

Figure 33: Filters Screen

This screen allows you to define packet filters. When you define security groups, on the "Secu-

rity Groups" screen, you can select from any filters defined here, as well as the pre-defined

filters.

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Data

TCP Packets

Define the packets you wish to be filtered out, by entering the following data.

TCP Filters

Name

Enter a descriptive name for this entry.

Port No. Enter an integer representing the Port Number for this type of packet. This

information can normally be provided by the service provider. Otherwise, a

Network Analyzer or Packet Sniffer can be used to determine the correct port

number.

UDP Filters

Name

Enter a descriptive name for this entry.

Port No. Enter an integer representing the Port Number for this type of packet. This

information can normally be provided by the service provider. Otherwise, a

Network Analyzer or Packet Sniffer can be used to determine the correct port

number.

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Appendix A

Troubleshooting

This Appendix covers the most likely problems and their solutions.

Overview

This chapter covers some common problems that may be encountered while using the CNWR-

811P and some possible solutions to them. If you follow the suggested steps and the CNWR-

811P still does not function properly, contact your dealer for further advice.

General Problems

Problem 1:

Can’t connect to the CNWR-811P to configure it.

Check the following:

Solution 1:

•

The CNWR-811P is properly installed, LAN connections are OK, and it

is powered ON.

Ensure that your PC and the CNWR-811P are on the same network

segment. (If you don't have a router, this must be the case.)

Ensure that your PC is using an IP Address within the range 192.168.0.2

to 192.168.0.254 and thus compatible with the CNWR-811P's default IP

Address of 192.168.0.1.

Also, the Network Mask should be set to 255.255.255.0 to match the

CNWR-811P.

In Windows, you can check these settings by using Control Panel-

Network to check the Properties for the TCP/IP protocol.

Internet Access

Problem 1:

When I enter a URL or IP address I get a time out error.

Solution 1:

A number of things could be causing this. Try the following troubleshooting

steps.

•

Check if other PCs work. If they do, ensure that your PCs IP settings are

correct (IP address, Network Mask, Default gateway and DNS).

•

If the PCs are configured correctly, but still not working, check the

CNWR-811P. Ensure that it is connected and ON. Connect to it and

check its settings. (If you can't connect to it, check the LAN and power

connections.)

•

If the CNWR-811P is configured correctly, check your Internet connec-

tion (DSL/Cable modem etc) to see that it is working correctly.

Problem 2:

Some applications do not run properly when using the CNWR-811P.

Solution 2:

The CNWR-811P processes the data passing through it, so it is not transpar-

ent.

Use the Special Applications feature to allow the use of Internet applications

which do not function correctly.

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If this does solve the problem you can use the DMZ function. This should

work with almost every application, but:

•

It is a security risk, since the firewall is disabled.

Only one (1) PC can use this feature.

When the DMZ feature is being used, the Special Applications and

Virtual Server features should be disabled.

Wireless Access

Problem 1:

My PC can't locate the Wireless Access Point

Check the following.

Solution 1:

•

Your PC is set to Infrastructure Mode.

The wireless channel used matches the wireless channel on the Access

Point.

•

The SSID on your PC and the Wireless Access Point are the same.

Remember that the SSID is case-sensitive. So, for example "Work-

group" does NOT match "workgroup".

Both your PC and the Wireless Access Point must have the same setting

for WEP. The default setting for the CNWR-811P is disabled, so your

wireless station should also have WEP disabled.

•

If WEP is enabled, the key tables must match.

If the Wireless Station access permission on the CNWR-811P's Wireless

screen is set to Only allow access if on this list, then each Wireless sta-

tion must have its address correctly entered.

•

To see if radio interference is causing a problem, see if connection is

possible when close to the Wireless Access Point.

Remember that the connection range can be as little as 100 feet in poor

environments.

Problem 2:

Wireless connection speed is very slow.

Solution 2:

The wireless system will connect at the highest possible speed, depending on

the distance and the environment. To obtain the highest possible connection

speed, you can experiment with the following:

•

Access Point location.

Try adjusting the location and orientation of the Access Point.

•

Wireless Channel

If interference is the problem, changing to another channel may show a

marked improvement.

•

Radio Interference

Other devices may be causing interference. You can experiment by

switching other devices Off, and see if this helps. Any "noisy" devices

should be shielded or relocated.

RF Shielding

Your environment may tend to block transmission between the wireless

stations. This will mean high access speed is only possible when close to

the Access Point.

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Appendix A - Troubleshooting

Printing

Problem 1:

When I tried to install the Printing software for Peer-to-Peer printing,

I received an error message and the installation was aborted..

Solution 1:

This may be caused by an existing installation of the printer port software.

Before attempting another installation:

•

Remove the existing installation

Restart your PC

To remove an existing printer port installation:

1. Open Start - Settings - Control Panel - Add/Remove Programs

2. Look for an entry with a name like "Shared Port", "Shared Printer

Port", "Print Server Driver" or "Print Server Port".

3. Select this item, click "Add/Remove", and confirm the deletion.

Problem 2:

I am using Windows 95, and the Printing software installed and ran,

but when I selected a port on a CNIG907BP and clicked "Add", the

printer was not installed.

Solution 2:

Try installing the printer using the standard Windows tools, as follows:

1. Start the Add Printer Wizard.

2. Select Network Printer when prompted "How is the printer attached to

your Computer?", and click Next.

3. When prompted for the Network Path or Queue, enter a dummy value

such as \\123, as shown below. (Do NOT select Yes for "Do you print

for MS-DOS programs?")

4. The printer wizard will display a message stating that “The Network

Printer is off-line”. This is OK. Continue the Add Printer Wizard until

finished.

5. When finished, go to Control - Panel-Printers. The printer icon will

be grayed out indicating the printer is not ready.

6. Right-click the Printer, and select Properties. Then select the Details

tab, as shown below. (On Windows NT/2000, select the Ports tab.)

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7. Click the Add Port button. On the resulting screen, select Other, then

Shared Port, as the port to add, as shown below.

8. Click OK to see the Print Port Configuration screen, as shown below.

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Appendix A - Troubleshooting

9. Click the Browse Device button, select the desired Internet Broadband

Gateway, and click OK.

10. Click OK to return to the Printers folders, and right-click on the

Printer. Ensure that the Work off-line option is NOT checked.

The Printer should no longer be grayed out, and is ready for use.

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Appendix B

Specifications

CNWR-811P Wireless A/P Router

Model No.:

CNWR-811P

Dimensions

240mm(W) * 120mm(D) * 35mm(H)

0° C to 40° C

Operating Temperature

Storage Temperature

Network Protocol:

Network Interface:

-10° C to 70° C

TCP/IP

3 Ethernet:

2 * 10/100BaseTX (RJ45) for LAN

1 * 10BaseT (RJ45) for WAN

PCMCIA Slot

1 Type II, 16bit bus

Wireless interface

Wireless Access Point via supplied PCMPIA card

IEEE 802.11b compatible, WEP security support, roaming

support

Printer Port

LEDs

1 * parallel printer port

Power Adapter

12 V DC External

FCC Statement:

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.

(2) This device must accept any interference received, including interference that may

cause undesired operation.

CE Marking Warning

This is a Class B product. In a domestic environment this product may cause radio interference

in which case the user may be required to take adequate measures.

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Appendix B - Specifications

PCMCIA Wireless Card

Interface

PCMCIA 68pin, 16bit data

IEEE802.11b WLAN, PCMCIA 2.1, JEIDA 4.2

Standards

Frequency

2.4 to 2.4835GHz ( Industrial Scientific Medical Band )

Channels

Maximum 14 Channels, depending on regulatory authorities.

Data Rate

11 / 5.5 / 2 / 1 Mbps

Coverage Area

Power

Closed Space : 25m @11Mbps, 100m @5.5Mbps or lower

DC +3.3V / 220mA

13dBm (typical)

-80dBm Min.

0^oto 55^oC

Output Power

Receiver Sensitivity

Operating Temperature

Storage Temperature

Relative humidity

PWR LED

-25^oto 70^oC

10% to 90%

ON - power available

OFF - no power

ACT LED

OFF - inactive

Blinking - Data transmitted or received.

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