Cisco VG204 Software Configuration Guide - Page 42

DETAILED STEPS, ROM Monitor Commands - ios download

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ROM Monitor Commands Appendix A Using the ROM Monitor DETAILED STEPS Command or Action Step 1 enable Step 2 Example: VG# enable configure terminal Step 3 Example: VG# configure terminal config-register value Step 4 Example: VG(config)# config-register 0x2102 exit Step 5 Example: VG(config)# exit reload Example: VG# reload Purpose Enters privileged EXEC mode. Enters global configuration mode. Resets the configuration register settings. Exits to global configuration mode. Reboots the voice gateway with the new configuration register value. The voice gateway remains in ROM monitor and does not boot the Cisco IOS software. As long as the configuration value is 0x0, you must manually boot the operating system from the console. See the boot command in the "Command Descriptions" section in this appendix. After the voice gateway reboots, it is in ROM monitor mode. The number in the prompt increments with each new line. Timesaver Break (system interrupt) is always enabled for 60 seconds after the voice gateway reboots, regardless of whether it is set to on or off in the configuration register. During this 60-second window, you can break to the ROM monitor prompt by pressing the Break key. ROM Monitor Commands Enter ? or help at the ROM monitor prompt to display a list of available commands and options, as follows: rommon 1 > ? alias boot confreg cont context cookie set and display aliases command boot up an external process configuration register utility continue executing a downloaded image display the context of a loaded image display contents of cookie PROM in hex Cisco VG202 and Cisco VG204 Voice Gateways Software Configuration Guide A-2 OL-16191-01

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A-2
Cisco VG202 and Cisco VG204 Voice Gateways Software Configuration Guide
OL-16191-01
Appendix A
Using the ROM Monitor
ROM Monitor Commands
DETAILED STEPS
Timesaver
Break (system interrupt) is always enabled for 60 seconds after the voice gateway reboots, regardless of
whether it is set to on or off in the configuration register. During this 60-second window, you can break
to the ROM monitor prompt by pressing the Break key.
ROM Monitor Commands
Enter
?
or
help
at the ROM monitor prompt to display a list of available commands and options, as
follows:
rommon 1 >
?
alias
set and display aliases command
boot
boot up an external process
confreg
configuration register utility
cont
continue executing a downloaded image
context
display the context of a loaded image
cookie
display contents of cookie PROM in hex
Command or Action
Purpose
Step 1
enable
Example:
VG# enable
Enters privileged EXEC mode.
Step 2
configure terminal
Example:
VG# configure terminal
Enters global configuration mode.
Step 3
config-register
value
Example:
VG(config)# config-register 0x2102
Resets the configuration register settings.
Step 4
exit
Example:
VG(config)# exit
Exits to global configuration mode.
Step 5
reload
Example:
VG# reload
Reboots the voice gateway with the new configuration
register value. The voice gateway remains in ROM
monitor and does not boot the Cisco IOS software.
As long as the configuration value is 0x0, you must
manually boot the operating system from the console.
See the
boot
command in the “
Command Descriptions
section in this appendix.
After the voice gateway reboots, it is in ROM monitor
mode. The number in the prompt increments with each
new line.