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C-7
Cisco VG224 Voice Gateway Software Configuration Guide
OL-5005-01
Appendix C Using the ROM Monitor
Entering the ROM Monitor Mode
Router# show rom-monitor
ReadOnly ROMMON version:
System Bootstrap, Version 12.3(4)T, RELEASE SOFTWARE (fc1)
TAC Support: http://www.cisco.com/tac
Copyright (c) 2001 by cisco Systems, Inc.
No upgrade ROMMON programmed or not yet run
Currently running ROMMON from ReadOnly region
ROMMON from ReadOnly region is selected for next boot
Router#
Following is a sample of an output when both the read-only and the upgrade versions of the ROM
monitor are present:
Router# show rom-monitor
ReadOnly ROMMON version:
System Bootstrap, Version 12.3(4)T, RELEASE SOFTWARE (fc1)
TAC Support: http://www.cisco.com/tac
Copyright (c) 2001 by cisco Systems, Inc.
Upgrade ROMMON version:
System Bootstrap, Version 12.3(4)T, RELEASE SOFTWARE (fc1)
TAC Support: http://www.cisco.com/tac
Copyright (c) 2002 by cisco Systems, Inc.
Currently running ROMMON from Upgrade region
ROMMON from Upgrade region is selected for next boot
Router#
Note You can get the same information if you enter the showmon command in ROMMON mode.
Using the upgrade rom-monitor Command
Use the upgrade rom-monitor command to upgrade the ROM monitor to a new version. Depending on
where the image is located, use the following commands to upgrade the ROM monitor:
• upgrade rom-monitor file [URL]
• upgrade rom-monitor preference [readonly | upgrade]
upgrade rom-monitors file [URL] command installs the new version of ROM monitor on the router by
taking the image from the location indicated in the URL. The image is in the form of “.srec’ file. It will
then reload the router.
Following is a sample of the output when the upgrade version of ROM monitor is located at
tftp://223.255.254.254/ajayhn/cvg224_RM2.srec:, and the system configuration has not been saved:
.Router# upgrade rom-monitor file tftp://223.225.254.254/ajayhn/cvg224_BM2.SREC
Loading ajayhn/Cvg224_RM2.srec from 223.255.254.254 (via FastEthernet0/0):
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[OK - 641719/1283072 bytes]
This command will reload the router. Continue? [yes/no]: y
System configuration has been modified. Save? [yes/no]: y
Building configuration...
Erasing boot flash eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
Programming boot flash pppp
Now Reloading
System Bootstrap, Version 12.3(4)T, RELEASE SOFTWARE (fc1)
TAC Support: http:_//www.cisco.com/tac
Copyright (c) 2001 by cisco Systems, Inc.
Running new upgrade for first time