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7
Using the ROM Monitor
OL-5997-02
How to Use the ROM Monitor—Typical Tasks
SUMMARY STEPS
1.
enable
2.
configure
terminal
3.
config-register
0x0
4.
exit
5.
write memory
6.
reload
DETAILED STEPS
Command or Action
Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
•
Enter your password if prompted.
Step 2
configure
terminal
Example:
Router# configure terminal
Enters global configuration mode.
Step 3
config-register
0x0
Example:
Router(config)#
config-register 0x0
Changes the configuration register settings.
•
The 0x0 setting forces the router to boot to the ROM
monitor at the next system reload.
Step 4
exit
Example:
Router(config)# exit
Exits global configuration mode.
Step 5
write memory
Example:
Router# write memory
Sets to boot the system image from flash memory.
Step 6
reload
Example:
Router# reload
<output deleted>
rommon 1>
Reloads the operating system.
•
Because of the 0x0 configuration register setting, the
router boots to ROM monitor mode.