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Appendix B ROM Monitor
Configuration Register
Note The
You will see output similar to the following:
IP_ADDRESS: 10.0.0.1
IP_SUBNET_MASK: 255.255.0.0
DEFAULT_GATEWAY: 1.3.0.1
TFTP_SERVER: 223.255.254.254
TFTP_FILE:
Invoke this command for disaster recovery only.
WARNING: all existing data in all partitions on flash will be lost!
Do you wish to continue? y/n: [n]:
Step 3 If you are sure that you want to continue, enter y in response to the question in the output:
Do you wish to continue? y/n: [n]:y
The router will begin to download the new file.
Pressing
Configuration Register
The virtual configuration register is in NVRAM and has the same functionality as other Cisco routers. You can view or modify the virtual configuration register from either the ROM monitor or the operating system software.
To change the virtual configuration register from the ROM monitor, enter confreg by itself for menu mode, or enter the new value of the register in hexadecimal. For example:
confreg [hexnum]
| Cisco 1700 Series Router Software Configuration Guide |