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viii Contents
How to Configure LAN TCP/IP Settings ...................................................................6-7
Configuring Dynamic DNS .......................................................................................6-7
How to Configure Dynamic DNS ..............................................................................6-8
Using Static Routes ........................................................................................................6-9
Static Route Example ...............................................................................................6-9
How to Configure Static Routes .............................................................................6-10
Chapter 7
Troubleshooting
Basic Functioning ...........................................................................................................7-1
Power LED Not On ...................................................................................................7-2
Test LED Never Turns On or Test LED Stays On .....................................................7-2
LAN or WAN Port LEDs Not On ...............................................................................7-2
Troubleshooting the Web Configuration Interface ..........................................................7-3
Troubleshooting the ISP Connection ..............................................................................7-4
ADSL link .................................................................................................................7-4
WAN LED Blinking Yellow ..................................................................................7-4
WAN LED Off .....................................................................................................7-4
Obtaining a WAN IP Address ...................................................................................7-5
Troubleshooting PPPoE or PPPoA ..........................................................................7-6
Troubleshooting Internet Browsing ..........................................................................7-6
Troubleshooting a TCP/IP Network Using the Ping Utility ..............................................7-7
Testing the LAN Path to Your Router .......................................................................7-7
Testing the Path from Your Computer to a Remote Device .....................................7-8
Restoring the Default Configuration and Password ........................................................7-9
Using the Reset button .............................................................................................7-9
Problems with Date and Time .........................................................................................7-9
Appendix A
Technical Specifications
Appendix B
Network and Routing Basics
Related Publications ...................................................................................................... B-1
Basic Router Concepts .................................................................................................. B-1
What is a Router? ................................................................................................... B-1
Routing Information Protocol ................................................................................... B-2
IP Addresses and the Internet ................................................................................. B-2