5 – Diagnostics/Troubleshooting
Recovering a Switch Using Maintenance Mode
59096-04 A 5-13
A
5.5
Recovering a Switch Using Maintenance Mode
A switch can become inoperable or unmanageable for the following reasons:
Firmware becomes corrupt
IP address is lost
Switch configuration becomes corrupt
Forgotten password
In these specific cases, you can recover the switch using maintenance mode.
Maintenance mode temporarily returns the switch IP address to 10.0.0.1 and
provides opportunities to do the following:
Exiting the Maintenance Menu
Unpacking a Firmware Image File in Maintenance Mode
Resetting the Network Configuration in Maintenance Mode
Resetting User Accounts in Maintenance Mode
Copying Log Files in Maintenance Mode
Removing the Switch Configuration in Maintenance Mode
Remaking the File System in Maintenance Mode
Resetting the Switch in Maintenance Mode
Updating the Boot Loader in Maintenance Mode
To recover a switch, do the following:
1. Place the switch in maintenance mode. Press and hold the Maintenance
button with a pointed tool until the Heartbeat LED alone is illuminated, then
release the button. The Heartbeat LED illuminates continuously when the
switch is in maintenance mode.
2. Establish a Telnet session with the switch using the maintenance mode IP
address 10.0.0.1.
3. Enter the maintenance mode account name and password (prom, prom),
and press the Enter key.
Switch login: prom
Password:xxxx
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