B-9
Cisco 1700 Series Router Software Configuration Guide
78-5407-03
Appendix B ROM Monitor
Configuration Register
This will change the virtual configuration register to the value specified. The
value is always interpreted as hexadecimal. Entering confreg without an
argument displays the contents of the virtual configuration register and a prompt
to alter the contents by describing the meaning of each bit.
Whether or not an argument is provided, the new virtual configuration register
value is written into NVRAM, but it does not take effect until you reset or
power-cycle the router.
The following display shows an example of menu mode:
rommon 7> confreg
Configuration Summary
enabled are:
console baud: 9600
boot: the ROM Monitor
do you wish to change the configuration? y/n [n]: y
enable “diagnostic mode”? y/n [n]: y
enable “use net in IP bcast address”? y/n [n]:
enable “load rom after netboot fails”? y/n [n]:
enable “use all zero broadcast”? y/n [n]:
enable “break/abort has effect”? y/n [n]:
enable “ignore system config info”? y/n [n]:
change console baud rate? y/n [n]: y
enter rate: 0 = 9600, 1 = 4800, 2 = 1200, 3 = 2400
4 = 19200, 5 = 38400, 6 = 57600, 7 = 115200 [0]: 0
change the boot characteristics? y/n [n]: y
enter to boot:
0 = ROM Monitor
1 = the boot helper image
2-15 = boot system
[0]: 0
Configuration Summary
enabled are:
diagnostic mode
console baud: 9600
boot: the ROM Monitor
do you wish to change the configuration? y/n [n]:
You must reset or power cycle for new config to take effect
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