Filter
Top Products
Contents ix
G
Updating firmware.............................................. 11-7
Downloading configuration files........................... 11-8
Uploading configuration files............................... 11-9
Transferring Configuration and Firmware Files
with XMODEM.............................................................. 11-9
Updating firmware............................................ 11-10
Downloading configuration files......................... 11-11
Uploading configuration files............................. 11-11
Restarting the System ............................................... 11-12
T1 Line Statistics and Diagnostics .............................. 11-12
Appendix A — Troubleshooting..................................................A-1
Configuration Problems .................................................. A-1
Console connection problems............................... A-2
Network problems................................................ A-2
How to Reset the Router to Factory Defaults.................... A-3
Power Outages .............................................................. A-3
Technical Support.......................................................... A-4
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
Broadcasts.................................................................. B-14