Changing Preferences To Change The Rommon Image; Troubleshooting The Upgrade; Rommon Upgrade Error Messages - Cisco CISCO7201 Installation And Configuration Manual

Troubleshooting the Upgrade

Loading a known good Cisco IOS image after a ROMmon upgrade is advisable.
Note

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 ROMmon, use the ROMmon CLI rommon-pref [readonly | upgrade] command to change the
ROMmon image:
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:
•
Cisco 7201 Installation and Configuration Guide
3-24
System Bootstrap, Version 12.2(20031011:151758) [biff]
Copyright (c) 1994-2003 by cisco Systems, Inc.
ROM:Rebooted by watchdog hard reset
C7201 platform with 1048576 Kbytes of main memory
Upgrade ROMMON initialized
rommon 1 >
In Cisco IOS, use the upgrade rom-monitor preference command to change the ROMmon image:
upgrade rom-monitor preference [readonly | upgrade]
Example:
Router: upgrade rom-monitor preference readonly
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.
Example:
rommon 2 > rommon-pref readonly
ROMmon image is not compatible with ReadOnly image:
Router: upgrade rom-monitor file tftp://00.0.00.0/biff/c7200p-kboot-mz
Loading biff/C7200_NPEG2_RMFUR.srec from 00.0.00.0 (via GigabitEthernet0/1):
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[OK - 392348 bytes]
ROMMON upgrade aborted; new ROMMON image version is not compatible with ReadOnly
Chapter 3 Starting and Configuring the Router
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