Chapter 3 Starting and Configuring the Router
Troubleshooting the Upgrade
System Bootstrap, Version 12.2(20031011:151758) [biff]
Copyright (c)
ROM:Rebooted by watchdog hard reset
C7201 platform with 1048576 Kbytes of main memory
Upgrade ROMMON initialized rommon 1 >
Note Loading a known good Cisco IOS image after a ROMmon upgrade is advisable.
Changing Preferences to Change the ROMmon Image
To change the ROMmon image (readonly or upgrade), use one of the following commands to make the change depending on whether you are in Cisco IOS or in ROMmon:
•In Cisco IOS, use the upgrade
upgrade
Router: upgrade
You are about to mark ReadOnly region of ROMMON for the highest boot preference.
Proceed? [confirm]
Done! Router must be reloaded for this to take effect.
In ROMmon, use the ROMmon CLI
Example:
rommon 2 > rommon-pref readonly
Troubleshooting the Upgrade
This section contains sample error messages that appear if an upgrade fails, or if an upgrade is successful but the upgrade image is corrupted.
ROMmon Upgrade Error Messages
One if these error message appears when the upgrade has failed or if the upgrade image is corrupted:
•ROMmon image is not compatible with ReadOnly image:
Router: upgrade
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[OK - 392348 bytes]
ROMMON upgrade aborted; new ROMMON image version is not compatible with ReadOnly
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