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Appendix C
Using the ROM Monitor
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-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 an example of the output when the upgrade version of ROM monitor is located at
tftp://223.255.254.254/ajayhn/c3745_RM2.srec:, and the system configuration has not been saved:
.Router# upgrade rom-monitor file
Loading ajayhn/C3745_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 12.2(4r)XT4, RELEASE SOFTWARE (fc1)
TAC Support:
Copyright (c) 2001 by cisco Systems, Inc.
Running new upgrade for first time
System Bootstrap, Version 12.2(8r)T1, RELEASE SOFTWARE (fc1)
TAC Support:
Copyright (c) 2002 by cisco Systems, Inc.
c3745 processor with 196608 Kbytes of main memory
Main memory is configured to 64 bit mode with parity disabled
Upgrade ROMMON initialized
rommon 1 >
Following output example a configuration that has been saved:
Router# upgrade rom-monitor file
Loading ajayhn/C3745_RM2.srec from 223.255.254.254 (via FastEthernet0/0):
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[OK - 641719/1283072 bytes]
This command will reload the router. Continue? [yes/no]: y
Erasing boot flash eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
Programming boot flash pppp
Now Reloading
System Bootstrap, Version 12.2(4r)XT4, RELEASE SOFTWARE (fc1)
TAC Support:
Copyright (c) 2001 by cisco Systems, Inc.
Running new upgrade for first time
System Bootstrap, Version 12.2(8r)T1, RELEASE SOFTWARE (fc1)
TAC Support:
Copyright (c) 2002 by cisco Systems, Inc.
c3745 processor with 196608 Kbytes of main memory
Main memory is configured to 64 bit mode with parity disabled
Upgrade ROMMON initialized
rommon 1 >
OL-1957-03
upgrade rom-monitor file <URL>
upgrade rom-monitor preference <readonly | upgrade>
http://www.cisco.com/tac
http://www.cisco.com/tac
http://www.cisco.com/tac
http://www.cisco.com/tac
Software Configuration Guide for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers
tftp://223.255.254.254/ajayhn/C3745_RM2.srec
tftp://223.255.254.254/ajayhn/C3745_RM2.srec
Entering the ROM Monitor Mode
C-7
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