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Firmware User Guide
TFTP ................................................................. 9-44
Chapter 10 — Utilities and Diagnostics ...................................10-1
Ping............................................................................ 10-2
Trace Route................................................................. 10-4
Telnet Client ................................................................ 10-5
Factory Defaults .......................................................... 10-6
Transferring Configuration and Firmware Files with TFTP.. 10-6
Updating firmware.............................................. 10-7
Downloading configuration files........................... 10-7
Uploading configuration files ............................... 10-8
Restarting the System ................................................. 10-8
Appendix A — Troubleshooting..................................................A-1
Configuration Problems .................................................. A-1
Network problems................................................ A-2
How to Reset the Router to Factory Defaults.................... A-3
Power Outages .............................................................. A-3
Technical Support.......................................................... A-3
How to reach us .................................................. A-4
Appendix B — Understanding IP Addressing ..............................B-1
What is IP?.................................................................... B-1
About IP Addressing....................................................... B-1
Subnets and subnet masks.................................. B-2
Example: Using subnets on a Class C IP internet ... B-3
Example: Working with a Class C subnet................ B-5
Distributing IP Addresses ............................................... B-5
Technical note on subnet masking ........................ B-6
Configuration....................................................... B-7
Manually distributing IP addresses........................ B-8
Using address serving.......................................... B-8
Tips and rules for distributing IP addresses ........... B-9
Nested IP Subnets....................................................... B-11
