Cisco CRS-1 - Carrier Routing System Router Getting Started Manual page 239

Appendix A ROM Monitor Guide
DETAILED STEPS
Command or Action
Step 1 confreg
Example:
rommon B1> confreg 0x2
Step 1 Respond to each prompt as instructed.
Step 2 reset
Example:
rommon B1> reset
Examples
The following example shows the commands required and the prompts that appear when you reset the
router to Exec mode using the configuration register prompts:
rommon B1> confreg
(Virtual Configuration Register: 0x0)
enabled are:
console baud: 9600
boot: the ROM Monitor
do you wish to change the configuration? y/n
enable
change console baud rate? y/n
change the boot characteristics? y/n
enter to boot:
0 = ROM Monitor
1 = MBI Validation Boot Mode
(Virtual Configuration Register: 0x2)
enabled are:
console baud: 9600
boot: image specified by the boot system commands
do you wish to change the configuration? y/n
You must reset or power cycle for new config to take effect
rommon B1> reset
MBI validation mode causes the router to boot the startup Cisco IOS XR software and configuration.
Note
Configuration Summary
"diagnostic mode"? y/n
[0]: 1
Configuration Summary
Purpose
Initiates the configuration register
configuration prompts.
For more information, see the example that
follows this procedure.
Resets and initializes the router, similar to a
power up.
[n]: y
[n]: n
[n]: n
[n]: y
[n]: n
Cisco CRS-1 Series Carrier Routing System Getting Started Guide
Exiting ROM Monitor Mode
A-29