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viii Contents
Diagnostic Menu .............................................................................................................9-6
Back Up and Restore Configuration ...............................................................................9-8
Backing Up and Restoring the Configuration with a Serial Connection ...................9-8
Backing Up and Restoring the Configuration Using FTP .........................................9-9
Software Update .............................................................................................................9-9
Updating Router Software Using a Serial Connection .............................................9-9
Updating Router Software Using FTP ....................................................................9-10
Command Interpreter Mode ......................................................................................... 9-11
Remote Management ...................................................................................................9-11
Chapter 10
Configuring Filters
Router Filter Structure ..................................................................................................10-1
Configuring a Filter Set .................................................................................................10-2
Configuring a Filter Rule ...............................................................................................10-6
TCP/IP Filter Rule ..................................................................................................10-6
Generic Filter Rule .................................................................................................10-9
Applying a Filter Set ...................................................................................................10-10
Default Filters .............................................................................................................10-11
Filter 1: NetBIOS_WAN ........................................................................................ 10-11
Filter 2: NetBIOS_LAN ......................................................................................... 10-11
Filter 3: TEL_FTP_WEB_WAN ............................................................................ 10-11
Chapter 11
Troubleshooting
Basic Functioning .........................................................................................................11-1
PWR LED Not On .................................................................................................. 11-1
Test LED Never Blinks or LED Stays On ................................................................11-2
LNK/ACT LEDs Not On .......................................................................................... 11-2
Troubleshooting the Web Configuration Interface ........................................................ 11-2
Troubleshooting the ISP Connection ............................................................................ 11-3
Troubleshooting a TCP/IP Network Using a Ping Utility ...............................................11-5
Testing the LAN Path to Your Router .....................................................................11-5
Testing the Path from Your PC to a Remote Device ..............................................11-7
Troubleshooting the Manager Interface ........................................................................11-7
Restoring the Default Configuration and Password ......................................................11-8
Using a Serial Connection ......................................................................................11-8