User guide

5
Software Release 2.4.1
C613-02021-00 REV B
Resource Reservation Protocol (RSVP) .............................................................. 83
OSPF ............................................................................................................... 84
Configuring a Basic OSPF Network ........................................................... 84
CHAPTER 6
Maintenance and Troubleshooting
This Chapter ................................................................................................... 87
How the Router Starts Up ............................................................................... 88
How to Avoid Problems .................................................................................. 89
What to do if you clear FLASH memory completely ......................................... 90
What to do if ISDN Fails to Connect ................................................................ 91
What to do if the PPP Link Disconnects Regularly ............................................ 92
What to do if Passwords are Lost .................................................................... 92
Getting the Most Out of Technical Support ..................................................... 93
Resetting Router Defaults ............................................................................... 94
Checking Connections Using PING .................................................................. 94
Troubleshooting IP Configurations .................................................................. 95
Troubleshooting DHCP IP Addresses ................................................................ 96
Troubleshooting IPX Configurations ................................................................ 97
Using Trace Route for IP Traffic ........................................................................ 99