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35
Chapter 5: Configuring the ADSL Gateway
The Administration Tab
ADSL Gateway
SNMP
SNMP is a popular network monitoring and management protocol. To enable SNMP, click
Enabled
. To disable
SNMP, click
Disabled
.
If enabled, then specify the IP address(es) allowed to have SNMP access. Select
All
to allow all IP addresses with
no restrictions,
IP address
to specify a single IP address, or
IP range
to specify a range of IP addresses.
Device Name. Enter the name of the Gateway.
SNMP V1/V2: Get Community. Enter the password that allows read-only access to the Gateway’s SNMP
information.
Set Community. Enter the password that allows read/write access to the Gateway’s SNMP information.
SNMP V3. Click
Enable
if you wish to manage the Gateway using SNMP version 3.
Rw User. Enter a name for the user who will have read/write access to the Gateway’s settings. The default
name is
v3rwuser
.
Authentication protocol and password. Select an authentication protocol and enter a password. It is
recommended that the password be at least eight characters long.
Privacy protocol and password. To enable encryption of SNMP version 3 communications, select
CBC-DES
and enter a password. If encryption is not desired, select
None
.
Trap Management: Trap to. Enter the IP address of the computer that will receive trap messages.
UPnP
UPnP allows Windows Me and XP to automatically configure the Gateway for various Internet applications, such
as gaming and videoconferencing.
UPnP. To enable UPnP, click
Enable
. Otherwise, click
Disable
.
Please select a PVC connection to bind. Select the number of the PVC over which the applications requiring
UPnP will run.
IGMP-Proxy
If your multimedia application or device is not working properly behind the Gateway, then you can enable IGMP-
Proxy to allow multicast traffic through the Gateway.
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36
Chapter 5: Configuring the ADSL Gateway
The Administration Tab
ADSL Gateway
PVC Available. Select the number of the PVC over which you wish IGMP-Proxy to work.
IGMP Proxy. To use this feature, select
Enable
. Otherwise, select
Disable
.
IGMP-Snooping
The multicast packets used by some multimedia applications are treated as broadcast packets and sent to all of
the Gateway’s LAN ports. If this results in too much traffic going to ports over which the application is not being
used, you can enable IGMP snooping to ensure correct routing of multicast traffic.
IGMP Snooping. To use this feature, select
Enable
. Otherwise, select
Disable
.
When finished making your changes on this tab, click the
Save Settings
button to save these changes, or click
the
Cancel Changes
button to undo your changes.
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37
Chapter 5: Configuring the ADSL Gateway
The Administration Tab
ADSL Gateway
The Reporting Tab
The
Reporting
screen provides you with a log of all incoming and outgoing URLs or IP addresses for your Internet
connection. It also provides logs for VPN and firewall events.
Reporting
Log. To enable log reporting, click
Enable
.
Logviewer IP Address. Enter the IP Address of the computer that will receive logs. You will need Logviewer
software to view these logs. This free software is available for download from www.linksys.com.
Email Alerts
E-Mail Alerts. To enable E-Mail Alerts, click
Enable
.
Denial of Service Thresholds. Enter the number of Denial of Service attacks that will trigger an e-mail alert.
SMTP Mail Server. Enter the IP address of the SMTP server.
E-Mail Address for Alert Logs. Enter the e-mail address that will receive alert logs.
Return E-Mail address. Enter the return address for the e-mail alerts.
To view the logs, click the
View Logs
button. A new screen will appear. From the drop-down menu, you can
select which log you want to view. Click the
Clear
button to clear the log information. Click the
pageRefresh
button to refresh the information. Click the
Previous Page
button to go to the previous page of information. Click
the
Next Page
button to move to the next page of information.
When finished making your changes on this tab, click the
Save Settings
button to save these changes, or click
the
Cancel Changes
button to undo your changes.
Figure 5-35: Reporting
Figure 5-36: System Log
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38
Chapter 5: Configuring the ADSL Gateway
The Administration Tab
ADSL Gateway
The Diagnostics Tab
Ping Test
Ping Test Parameters
Ping Target IP. Enter the IP address that you want to ping. This can be either a local (LAN) IP or an Internet
(WAN) IP address.
Ping Size. Enter the size of the packet.
Number of Pings. Enter the number of times that you want to ping.
Ping Interval. Enter the ping interval (how often the target IP address will be pinged) in milliseconds.
Ping Timeout. Enter the ping timeout (how long before the ping test times out) in milliseconds.
Click the
Start Test
button to start the Ping Test.
Ping Result. The results of the ping test will be shown here.
When finished making your changes on this tab, click the
Save Settings
button to save these changes, or click
the
Cancel Changes
button to undo your changes.
The Backup&Restore Tab
The Backup&Restore tab allows you to back up and restore the Gateway’s configuration file.
Backup Configuration
To back up the Gateway’s configuration file, click the
Backup
button. Then follow the on-screen instructions.
Restore Configuration
To restore the Gateway’s configuration file, click the
Browse
button. Then follow the on-screen instructions to
locate the file. After you have selected the file, click the
Restore
button.
Figure 5-38: Backup&Restore
Figure 5-37: Ping Test
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39
Chapter 5: Configuring the ADSL Gateway
The Administration Tab
ADSL Gateway
The Factory Defaults Tab
Restore Factory Defaults. If you wish to restore the Gateway to its factory default settings and lose all your
settings, click
Yes
.
To begin the restore process, click the
Save Settings
button to save these changes, or click the
Cancel Changes
button to undo your changes.
The Firmware Upgrade Tab
The Gateway allows you to upgrade firmware from the LAN (Local Area Network) side of the Gateway.
Upgrade from LAN
To upgrade the Gateway’s firmware from the LAN:
1.
Download the Gateway’s firmware upgrade file from www.linksys.com.
1.
Extract the file on your computer.
1.
Click the
Browse
button to find the firmware upgrade file.
2.
Double-click the firmware file that you have downloaded and extracted.
3.
Click the
Upgrade
button, and follow the on-screen instructions.
To cancel the firmware upgrade, click the
Cancel Upgrade
button.
The Reboot Tab
This screen allows you to do a soft or hard reboot of the Gateway. In most cases you should use the hard reboot.
The soft reboot is similar to restarting your computer without physically powering down the computer.
Reboot
Reboot Mode. To reboot your Gateway, select
Hard
or
Soft
. Choose
Hard
to power cycle the Gateway or
Soft
. to
restart it without a power cycle.
To begin the reboot process, click the
Save Settings
button. When a screen appears asking you if you really want
to reboot the Gateway, click
OK
.
Click the
Cancel Changes
button if you want to cancel the reboot.
Figure 5-41: Reboot
Figure 5-40: Firmware Upgrade
Figure 5-39: Factory Defaults
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