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Contents vii
202-10099-01, April 2005
Using the Router as a DHCP server ......................................................................6-11
Using Address Reservation ....................................................................................6-12
Using a Dynamic DNS Service .....................................................................................6-13
Configuring Static Routes .............................................................................................6-14
Enabling Remote Management Access .......................................................................6-16
Using Universal Plug and Play (UPnP) ........................................................................6-18
Chapter 7
Troubleshooting
Basic Functioning ...........................................................................................................7-1
Power Light Not On ..................................................................................................7-1
Lights Never Turn Off ...............................................................................................7-2
LAN or WAN Port Lights Not On ..............................................................................7-2
Troubleshooting the Web Configuration Interface ..........................................................7-3
Troubleshooting the ISP Connection ..............................................................................7-4
Troubleshooting a TCP/IP Network Using a Ping Utility .................................................7-5
Testing the LAN Path to Your Router .......................................................................7-5
Testing the Path from Your Computer to a Remote Device .....................................7-6
Restoring the Default Configuration and Password ........................................................7-7
Problems with Date and Time .........................................................................................7-7
Appendix A
Technical Specifications
Appendix B
Network, Routing, Firewall, and 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
Netmask .................................................................................................................. B-4
Subnet Addressing .................................................................................................. B-4
Private IP Addresses ............................................................................................... B-7
Single IP Address Operation Using NAT ....................................................................... B-7
MAC Addresses and Address Resolution Protocol ................................................. B-8
Related Documents ................................................................................................. B-9
Domain Name Server .............................................................................................. B-9