Entering the ROM Monitor Mode
Using the show rom-monitor Command
Note
The show rom-monitor command is present in the Cisco 3700 series routers only. The command
tftpdnld is present in the Cisco 2600 series routers only.
The show rom-monitor command displays the current version of the read-only ROM monitor, and if
present displays the upgrade version of the ROM monitor. The upgrade version is selected when the
system is rebooted. This command runs in the Cisco IOS exec mode.
You get the following output, when the read-only ROM monitor is present:
Router# show rom-monitor
ReadOnly ROMMON version:
System Bootstrap, Version 12.2(4r)XT2, RELEASE SOFTWARE (fc1)
TAC Support:
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 an example of an output when both the read-only and the upgrade versions of the ROM
moinitor are present:
Router# show rom-monitor
Software Configuration Guide for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers
C-6
break/abort has effect
console baud: 9600
boot: the ROM Monitor
do you wish to change the configuration? y/n
enable
"diagnostic mode"? y/n
enable
"use net in IP bcast address"? y/n
enable
"load rom after netboot fails"? y/n
enable
"use all zero broadcast"? y/n
disable "break/abort has effect"? y/n
enable
"ignore system config info"? y/n
change console baud rate? y/n
enter rate: 0 = 9600,
4 = 19200, 5 = 38400, 6 = 57600, 7 = 115200
change the boot characteristics? y/n
enter to boot:
0 = ROM Monitor
1 = the boot helper image
2-15 = boot system
[0]:
0
Configuration Summary
enabled are:
diagnostic mode
break/abort has effect
console baud: 9600
boot: the ROM Monitor
do you wish to change the configuration? y/n
You must reset or power cycle for new config to take effect
http://www.cisco.com/tac
[n]:
y
[n]:
[n]:
[n]:
[n]:
[n]:
[n]:
y
1 = 4800,
2 = 1200,
3 = 2400
[n]:
y
Appendix C
Using the ROM Monitor
[n]:
y
[0]:
0
[n]:
OL-1957-04