4-Port ADSL Router
Lynx L-325
User Manual
Version 1.0
Version Date: July 8, 2005
Document #: BD-AU0007-10
Table of Contents
GENERAL INFORMATION ...............................................................3
Package Contents..................................................................3
Safety Instructions—Please read. ...........................................3
Front Panel View....................................................................4
Back Panel View ....................................................................5
INSTALLING THE ROUTER .............................................................6
Connect the ADSL Line and Telephone.................................6
Connect the PC to the Router ................................................6
Connect the Power Adapter...................................................6
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Restore User Settings ......................................................46
Restore Default.................................................................46
System Log ..........................................................................47
Configure System Log......................................................48
SNMP...................................................................................48
Internet Times ......................................................................49
Access Control.....................................................................51
Services............................................................................51
IP Addresses ....................................................................51
Passwords........................................................................52
Update Software ..................................................................53
Reboot Router......................................................................53
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General Information
The 4-Port ADSL Router features 4 LAN ports for added
convenience and accessibility.
Package Contents
Included in the package is one of each of the following—
• 4-Port ADSL router
• 15 VAC AC power adapter
• RJ-11 telephone cable
• RJ-45 Ethernet cable
• Splitter
• User Manual
Safety Instructions—Please read.
• Place your router on a flat surface close to the cables in a
location with sufficient ventilation.
• To prevent overheating, do not obstruct the ventilation
openings of this equipment.
• Plug this equipment into a surge protector to reduce the risk
of damage from power surges and lightning strikes.
• Operate this equipment only from an electrical outlet with
the correct power source as indicated on the adapter.
• Do not open the cover of this equipment. Opening the
cover will void any warranties on the equipment.
• Unplug equipment first before cleaning. A damp cloth can
be used to clean the equipment. Do not use liquid / aerosol
cleaners or magnetic / static cleaning devices.
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Front Panel View
LED
Mode
Indication
Solid
No light
Blinking
ADSL is connected.
ADSL is not connected.
The router is connected to ADSL.
DSL
Solid
Router is connected to the LAN.
No connection to the LAN. Check if the
LAN cable is connected to the router.
LAN traffic
ETH1-ETH4
INT
No light
Blinking
Solid
PPP user ID accepted
No light
PPP not connected
Solid
Router is powered on.
Router is not powered. Check if the
router is plugged in and if the power
switch is turned on.
POWER
No light
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Back Panel View
Port
Power Switch
Power
Description
Press to turn the router on and off.
Connects to a 15 VAC AC power adapter.
Restart—press the button for less than 4
seconds.
Default settings—press the button for 4
seconds or longer.
Reset
RJ-45 connects the unit to an Ethernet device
such as a PC or a switch.
LAN1-LAN4
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Installing the Router
Connect the ADSL Line and Telephone
An RJ-11 cable will be connected to the wall phone jack and the
line-end of the splitter. Connect another RJ-11 phone cable from
the modem-end of the splitter to the port labeled “line” on the
router. A third RJ-11 phone cable will be needed to connect the
telephone to the phone-end of the splitter.
NOTE: See connections on the installation diagram.
Connect the PC to the Router
Use the Ethernet cable to connect your computer directly to the
router. Connect one end of the Ethernet cable to one of the ports
labeled LAN on the rear panel of the router and connect the other
end to the Ethernet port of your computer. Attach any additional
PCs to the router using RJ-45 cables to the port labeled LAN on
the rear panel of the router.
Connect the Power Adapter
Complete the process by connecting the AC power adapter to the
POWER connector on the back of the device and plug the adapter
into a wall outlet or power strip. Then turn on and boot up your
PC and any LAN devices, such as hubs or switches, and any
computers connected to them.
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Installation Diagram
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Configuring Your Computer
Prior to accessing the router through the LAN port, note the
following necessary configurations—
• Your PC’s TCP/IP address: 192.168.1.__( the last number
is any number between 3 and 254)
• The router’s default IP address: 192.168.1.1
• Subnet mask: 255.255.255.0
Below are the procedures for configuring your computer. Follow
the instructions for the operating system that you are using.
Windows 2000
1. In the Windows taskbar, click on the Start button and point
to Settings, Control Panel, and Network and Dial-up
Connections (in that order).
2. Click on Local Area Connection. When you have the Local
Area Connection Status window open, click on Properties.
3. Listed in the window are the installed network components.
If the list includes Internet Protocol (TCP/IP), then the
protocol has already been enabled, and you can skip to
Step 10.
4. If Internet Protocol (TCP/IP) does not appear as an
installed component, then click on Install.
5. In the Select Network Component Type window, click on
protocol and then the Add button.
6. Select Internet Protocol (TCP/IP) from the list and then click
on OK.
7. If prompted to restart your computer with the new settings,
click OK.
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8. After your computer restarts, click on the Network and Dial-
up Connections icon again, and right click on the Local
Area Connection icon and then select Properties.
9. In the Local Area Connection Properties dialog box, select
Internet Protocol (TCP/IP) and then click on Properties.
10. In the Internet Protocol (TCP/IP) Properties dialog box,
click in the radio button labeled Use the following IP
address and type 192.168.1.x (where x is any number
between 2 and 254) and 255.255.255.0 in the IP address
field and Subnet Mask field.
11. Click on OK twice to save your changes and then close
the Control Panel.
Windows XP
1. In the Windows taskbar, click on the Start button and point
to Settings and then click Network Connections.
2. In the Network Connections window, right click on the Local
Area Connection icon and click on properties.
3. Listed in the Local Area Connection window are the
installed network components. Make sure the box for
Internet Protocol (TCP/IP) is checked and then click on
Properties.
4. In the Internet Protocol (TCP/IP) Properties dialog box, click
in the radio button labeled Use the following IP address and
type 192.168.1.x (where x is any number between 2 and
254) and 255.255.255.0 in the IP address field and Subnet
Mask field.
5. Click on OK twice to save your changes and then close the
Control Panel.
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Log in to the Router
This section explains how to log in to your router using the
following steps—
1. Launch your web browser.
on Enter.
A login screen like the one below will be displayed after you
connect to the user interface.
3. Enter your user name and password, and then click on OK
to display the user interface.
NOTE: There are two default user name and password
combinations. The user / user combination can display device
status, but cannot change or save configurations and are limited
to only certain screens. The admin / admin combination can
perform all functions. Passwords can be changed at any time.
The following manual shows configurations based on the admin /
admin log in.
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Device Info
This section describes the system information that can be
accessed using the menu items under Device Info.
Summary
Access the general status report from the router by clicking on
“Summary” under “Device Info”. It shows information about the
router such as software version, bootloader, etc. It also displays
the current status of your DSL connection as shown below—
WAN
Access the WAN status report from the router by clicking on
“WAN” under “Device Info”. Since a WAN connection has not
been set up yet, there is no information to view. After completing
the configurations for a WAN connection, you can return to this
screen to view the information on your WAN status.
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Below is how the screen will look once a WAN connection is set
up.
STATISTICS
LAN Statistics
Access the LAN statistics from the router by clicking on the “LAN”
item under “Statistics”.
WAN Statistics
Access the WAN statistics from the router by clicking on the
“WAN” item under “Statistics”.
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ATM Statistics
Access ATM statistics from the router by clicking on the “ATM”
item under “Statistics”.
ADSL Statistics
You can view ADSL statistics by clicking on the “ADSL” item
under “Statistics”. Information contained in this screen is useful
for troubleshooting and diagnostics of connection problems.
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ADSL BER Test
A Bit Error Rate Test (BER Test) is a test that reflects the ratio of
error bits to the total number transmitted.
If you click on the ADSL BER Test button at the bottom of the
ADSL Statistics page, the following pop-up screen will appear
allowing you to set the tested time and to begin the test.
Below is an ADSL BER Test result screen displaying information
about the test and the error bits and ratio.
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Route
Access the routing status report from the router by clicking on the
“Route” item under “Device Info”.
ARP
Access the ARP status report from the router by clicking on the
“ARP” item under “Device Info”.
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Quick Setup
This section will explain how to configure the router for the sole
purpose of connecting to the Internet.
ATM PVC Configuration
To enable the DSL auto-connect process, click on the box labeled
DSL Auto-connect, a process that will automatically detect the
first usable PVC and automatically detect PPPoE, PPPoA, and
Bridge Protocol (with DHCP Server available). To continue, click
on the Next button.
If you uncheck the DSL Auto-connect box, the resulting screen is
seen below. Enter the VPI / VCI as indicated by your ISP and
click on Next.
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Following is the Connection Type screen where you select the
type of network protocol and encapsulation mode over the ATM
PVC that your ISP has instructed you to use. The following is a
PPPoA example. Click on Next to continue.
Enter the PPP username and password as given by your ISP.
Then decide if you will be using any features such as dial on
demand, PPP IP extension, keep alive and then click on Next.
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The next step is to configure the Network Address Translation
(NAT) settings. For the example, NAT will be enabled. Leave the
remaining fields at default and click on Next to continue.
You can configure the DSL Router IP address and Subnet Mask
for the LAN interface to correspond to your LAN’s IP Subnet. If
you want the DHCP server to automatically assign IP addresses,
then enable the DHCP server and enter the range of IP addresses
that the DHCP server can assign to your computers. Disable the
DHCP server if you would like to manually assign IP addresses.
Click on Next to continue.
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If you have a second IP address and subnet mask for the LAN
interface, click on the checkbox to configure it. See below
example below.
After all of the WAN configurations have been made, the WAN
Setup Summary screen displays all WAN settings that you have
made. Check that the settings are correct before clicking on the
Save / Reboot button. Clicking on Save / Reboot will save your
settings and restart your router.
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Advanced Setup
This section of the setup is an advanced version of the quick
setup. If you want to make specific configurations to your router
such as firewall, port mapping, quality of service, DNS, etc.,
consider going through this advanced setup for a more
comprehensive configuration.
WAN
Configure the WAN settings as provided by your ISP. This
section is basically the same as the Quick Setup section for
configuring a WAN connection.
Click on the Add button if you want to add a new rule for the WAN
interface. The following ATM PVC Configuration screen appears.
The ATM PVC Configuration screen allows you to configure an
ATM PVC identifier (VPI and VCI) and select a service category.
Verify the following values with your ISP before you change them.
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• VPI: Virtual Path Identifier. The valid range is 0 to 255.
• VCI: Virtual Channel Identifier. The valid range is 32 to
65535.
• Service Category: Five classes of traffic are listed—
o UBR Without PCR (Unspecified Bit Rate without
Peak Cell Rate)—UBR service is suitable for
applications that can tolerate variable delays and
some cell losses. Applications suitable for UBR
service include text/data/image transfer, messaging,
distribution, and retrieval and also for remote terminal
applications such as telecommuting.
o UBR With PCR (Unspecified Bit Rate with Peak Cell
Rate)--
o CBR (Constant Bit Rate)—used by applications that
require a fixed data rate that is continuously available
during the connection time. It is commonly used for
uncompressed audio and video information such as
videoconferencing, interactive audio (telephony),
audio / video distribution (e.g. television, distance
learning, and pay-per-view), and audio / video
retrieval (e.g. video-on-demand and audio library).
o Non Realtime VBR (Non-Real-time Variable Bit
Rate)—can be used for data transfers that have
critical response-time requirements such as airline
reservations, banking transactions, and process
monitoring.
o Realtime VBR (Real-time Variable Bit Rate)—used by
time-sensitive applications such as real-time video.
Rt-VBR service allows the network more flexibility
than CBR.
Enabling QoS for a PVC improves performance for selected
classes of applications. However, since QoS also consumes
system resources, the number of PVCs is reduced. If you want to
enable QoS service, click on the Enable Quality Of Service check
box.
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Connection Type
This screen shows the below types of network protocols and
encapsulation modes—
• PPP over ATM (PPPoA)
• PPP over Ethernet (PPPoE)
• MAC Encapsulation Routing (MER)
• IP over ATM (IpoA)
• Bridging
Select the mode that your ISP has instructed you to use and click
on Next. The example below is a bridge connection type.
After you click on Next, the below screen appears allowing you to
disable the bridge service if desired.
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When the settings are complete, the next screen shows a WAN
Setup – Summary screen displaying the WAN configurations
made.
After the settings are saved, the below screen will follow,
displaying the WAN settings that you made with the option to Add
or Remove any of the connections that you have made. When
satisfied with the settings click on the Finish button.
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After selecting the Finish button, the below screen will appear. At
this point, the router will reboot to save the changes made.
LAN Local Area Network (LAN) Setup
You can configure the DSL Router IP address and Subnet Mask
for the LAN interface to correspond to your LAN’s IP Subnet. If
you want the DHCP server to automatically assign IP addresses,
then enable the DHCP server and enter the range of IP addresses
that the DHCP server can assign to your computers. Disable the
DHCP server if you would like to manually assign IP addresses.
Click on Next to continue. The Save button only saves the LAN
configuration data, but does not apply the configurations. Select
the Save/Reboot button to save the LAN configuration data and
reboot the router and apply the new configurations.
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NAT
If you enable NAT (Network Address Translation), you can
configure the Virtual Server, Port Triggering, and DMZ Host.
Virtual Servers
A virtual server allows you to direct incoming traffic from the WAN
side to a specific IP address on the LAN side. Click on the Add
button to set up a virtual server.
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In the next screen, select the virtual server from the drop-down list
and complete the server IP address, then click on the Save /
Apply button.
The following screen appears after you save your selection. To
add additional virtual servers, click on the Add button. If you need
to remove any of the server names, select the check box and click
on the Remove button.
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Port Triggering
Click on the Add button to add Port Triggering to your Internet
application.
The below screen appears when you click on Add allowing you to
select the application that you want to set the port settings for.
After a selection has been made, click on the Save / Apply button.
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The below screen appears after you save your selections showing
the name of the application that you have added a port triggering
function. You will be able to add or remove selections made, by
clicking on the Add and Remove buttons.
DMZ Host
You can define the IP address of the DMZ Host on this screen.
Enter the IP address and click on Save / Apply.
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Firewall
IP Filtering—Outgoing
The outgoing filter will block LAN traffic from entering the WAN
side. Click on the Add button to create filters.
The below screen will appear when you click on Add. Input the
filter name, source information (from the LAN side), and
destination information (from the WAN side). Then click on Save /
Apply.
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IP Filtering—Incoming
Incoming filter filters the WAN traffic to the LAN side. Click on the
Add button to add incoming filter settings.
Enter a filter name, information about the source address (from
the WAN side), and information about the destination address (to
the LAN side). Select the protocol and WAN interface, and then
click on Save/Apply to add the setting.
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MAC Filtering
MAC filtering can forward or block traffic by MAC address. You
can change the policy or add settings to the MAC filtering table
using the MAC Filtering Setup screen.
If you click on Change Policy, a confirmation dialog appears,
allowing you to verify your change.
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If you want to add a setting to the MAC filtering table, enter the
Source and Destination MAC address, and select protocol type,
frame direction, and WAN interface. Then click on Save / Apply to
save it.
After you save the settings, a screen showing the settings will
appear. On this screen you will be able to view and delete MAC
filtering rules.
Port Mapping
Port mapping is a feature that allows you to open ports to allow
certain Internet applications on the WAN side to pass through the
firewall and enter your LAN. To use this feature, mapping groups
need to be created. To do this, follow the below instructions—
1. Click on the Add button as displayed below.
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2. If you need to edit an entry, then click on the Edit button.
After clicking the Add button, the below configuration screen
appears, allowing you enter the groups and the interfaces they
are associated with.
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Quality of Service
You can configure the Quality of Service to apply different
priorities to traffic on the router. Click on Add to view the Add
Network Traffic Class Rule screen.
This screen allows you to add a network traffic class rule.
Procedures for this setup are as follows—
1. Give a name to this traffic class.
2. Assign a priority level—low, medium, and high—to this traffic
class.
3. Select an IP precedence from the range of 0-7.
4. Enter an IP Type of Service from the following selections—
• Normal Service
• Minimize Cost
• Maximize Reliability
• Maximize Throughput
• Minimize Delay
5. Last, enter the traffic conditions for the class such as the
protocol (TCP / UDP, TCP, UDP, or ICMP) to be used.
Click Save / Apply to save the settings.
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Routing
Default Gateway
You can enable automatic assigned default gateway on the
Routing – Default Gateway screen. As default, the box is checked
for automatic assigned default gateway to be enabled. Click the
Save / Apply button to enable or disable this feature.
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If you do not want to enable Automatic Assigned Default Gateway,
then uncheck the box as seen below. You will be given the
choice to use the default gateway IP address. If you decide to
change the automatic assigned default gateway address, you
must reboot the router to be assigned a new default gateway IP
address. Also, select the WAN interface that you will be using.
Click on Save / Apply to save the settings.
Static Route
Use the Routing – Static Route screen to add a static route to the
routing table.
Enter the route information and click on Save/Apply to make it
active. No reboot is required.
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RIP
If RIP is enabled, the router operation can be configured as active
or passive.
DNS
DNS Server
Use the DNS Server screen to request automatic assignment of a
DNS or to specify a primary and secondary DNS.
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If you uncheck the Enable Automatic Assigned DNS checkbox,
then there will be two additional fields—primary and secondary
DNS server—to enter as seen below.
Dynamic DNS
Dynamic DNS is a service for allowing an Internet domain name to be assigned to a
varying IP address. This makes it possible for other sites on the Internet to establish
connections to your without needing to track the IP address themselves. Click on
Add to set up a dynamic DNS configuration.
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This screen allows you to add a dynamic DNS address from
DynDNS.org or TZO. Enter the hostname and the interface that
you are using. Also enter the username and password assigned
by the DNS service. Click on Save / Apply to save these
configurations.
ADSL
The DSL settings page contains three sections—modulation,
phone line, and capability—that should be specified by your ISP.
Consult with your ISP to select the correct settings for each. Then
click on Save / Apply if you are finished or click on Advanced
Settings if you want to configure more advanced settings.
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DSL Advanced Settings
The test mode can be selected from the DSL Advanced Settings
page. Test modes include—normal, reverb, medley, no retrain,
and L3. After you make your selections of the test mode, click on
Apply to save these settings first before you go to Tone Selection.
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Tone Settings
The frequency band of ADSL is split up into 256 separate tones,
each spaced 4.3125 kHz apart. With each tone carrying separate
data, the technique operates as if 256 separate modems were
running in parallel. The tone range is from 0 to 31 for upstream
and from 32 to 255 for downstream. Do not change these settings
unless so directed by your ISP.
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Diagnostics
The diagnostics screen allows you to run diagnostic tests to check
your DSL connection. The results will show test results of three
connections—
• Connection to your local network
• Connection to your DSL service provider
• Connection to your Internet service provider
There are two buttons at the bottom of the page—Test and Test
with OAM F4—which will allow you to retest if necessary.
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Management
The Management section gives you access to certain setups for
the purpose of maintaining the system, including backing up the
configurations, viewing system log, maintaining access control,
updating software, etc.
Settings
Backup Settings
To save a copy of the configurations that you have made on your
router, click on the Backup Settings button.
The below pop-up screen will appear with a prompt to open or
save the file to your computer.
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Restore User Settings
To restore saved settings, select
Management→Settings→Restore User Settings.
Select the backup file you want to restore and click on Update
Settings.
The router will restore settings and reboot to activate the restored
settings.
Restore Default
Restore Default will delete all current settings and restore the
router to factory default settings. To restore the router to factory
default settings, select Management→Settings→Restore Default.
Click on the Restore Default Settings button.
Click on OK when the pop-up window appears confirming that you
want to restore factory default settings to your router.
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The router will restore the default settings and reboot.
System Log
The System Log dialog allows you to view the System Log and
configure the System Log options. To view the System Log click
on the View System Log button to check the log file.
Below is a view of the System Log.
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Configure System Log
If the log is enabled, the system will log selected events:
Emergency, Alert, Critical, Error, Warning, Notice, Informational,
and Debugging. All events above or equal to the selected log
level will be logged and displayed.
If the selected mode is “Remote” or “Both”, events will be sent to
the specified IP address and UDP port of a remote system log
server. If the selected mode is “Local” or “Both”, events will be
recorded in the local memory. Select the desired values and click
on the “Save/Apply” button to configure the system log options.
SNMP
SNMP is Simple Network Management Protocol that provides a
means to monitor status and performance as well as set
configuration parameters. It enables a management station to
configure, monitor and receive trap messages from network
devices.
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Internet Times
The Time Settings page allows you to automatically synchronize
your time with a timeserver on the Internet.
If you choose to automatically synchronize with Internet time
servers, then click on the box and the below fields appear.
Select from the list of NTP (Network Time Protocol) time servers.
Then select the time zone that you are in and click on Save /
Apply to save and complete your time settings.
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Access Control
You can enable or disable some services of your router by LAN or
WAN. If no WAN connection is defined, only the LAN side can be
configured.
Services
IP Addresses
Web access to the router can be limited when Access Control
Mode is enabled. The IP addresses of allowed hosts can be
added using Access Control→IP Address.
Add the IP address to the IP address list by clicking on the Add
button, then select “Enabled” to enable Access Control Mode.
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To assign the IP address of the management station that is
permitted to access the local management services, enter the IP
address in the box and click on the Save / Apply button.
Passwords
Access the Passwords screen under the Access Control section
to change a password. Select an account and enter the current
password and the new password and then click on the Save /
Apply button.
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Update Software
If your ISP releases new software for this router, follow the below
steps to perform an upgrade.
Reboot Router
Select Management→Reboot Router to reboot the router using
the web interface. The router will save the current configuration
and reboot itself using the new configuration.
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