Changing Preferences To Choose The Other Rommon Image - Cisco 7301 Installation And Configuration Manual

Chapter 3 Starting and Configuring the Router
It is advisable to load a known good Cisco IOS image after a ROMmon upgrade.
Note

Changing Preferences to Choose the Other ROMmon Image

To use the other ROMmon image, use one of the following commands to make the change depending on
whether you are in Cisco IOS or in ROMmon:
•
•
OL-5418-07
This command will reload the router. Continue? [yes/no]:yes
ROMMON image upgrade in progress.
Erasing boot flash eeeeeeeeeeeeeeeeee
Programming boot flash ppppp
Now Reloading via hard watchdog timeout
Unexpected exception, CP
System Bootstrap, Version 12.2(20031011:151758) [biff]
Copyright (c) 1994-2003 by cisco Systems, Inc.
Running new upgrade for first time
System Bootstrap, Version 12.2(20031011:151758) [biff]
Copyright (c) 1994-2003 by cisco Systems, Inc.
ROM:Rebooted by watchdog hard reset
C7301 platform with 1048576 Kbytes of main memory
Upgrade ROMMON initialized
rommon 1 >
In Cisco IOS, use the upgrade rom-monitor preference command to change to the other 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.
In ROMmon, use the ROMmon CLI rommon-pref command to change to the other ROMmon
image:
rommon-pref [readonly|upgrade]
Example:
rommon 2 > rommon-pref readonly
Upgrading ROMmon on the Cisco 7301
Cisco 7301 Installation and Configuration Guide
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