Installation Manual

4-1
Maintenance
4
Troubleshooting
A
This chapter contains information about troubleshooting and maintenance
procedures you might need to perform on your router as your internetworking
needs change.
This chapter includes the following sections:
Reading the LEDs
Upgrading the Boot ROMs
Recovering Lost Passwords
Virtual Configuration Register Settings
Copying a Cisco IOS Image to Flash Memory
Inserting the HP Internet Router Module into an HP Switching Hub
Inserting the HP Internet Router Module into an HP Remote 2C
Router to Router Connections
Reading the LEDs
The LEDs indicate the current operating condition of the router. You can
observe the LEDs, note any fault condition that the router is encountering,
and then contact your system administrator or HP customer service, if neces-
sary.
There are two sets of LEDs for the HP AdvanceStack Router.
A set of the four LEDs on the front panel of the host device.
A set of LEDs on the front panel of the HP AdvanceStack Internet Router.
J3138.bk Page 1 Wednesday, March 18, 1998 6:07 PM