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Appendix C
Using the ROM Monitor
reset
set
showcookie
showfpga
stack
sync
sysret
tftpdnld
unalias
unset
xmodem
rommon 2 >
You can abort any command by pressing the Break key at the console.
Note
ROM Monitor Syntax Conventions
The ROM monitor syntax in this appendix uses the following conventions:
•
command [abc]
•
•
command type interface
Command Descriptions
This section lists some useful ROM monitor commands. Refer to the Cisco IOS configuration guides and
command references for more information on ROM monitor commands.
boot or b—Boot an image.
Note
•
OL-5005-01
system reset
display the monitor variables
display cookie information
display the current selected FPGA
produce a stack trace
write monitor environment to NVRAM
print out info from last system return
tftp image download
unset an alias
unset a monitor variable
x/ymodem image download
Square brackets [ ] denote an optional element. In the following example, the element abc is not
required, but you can specify it if you choose:
If a minus option is followed by a colon (for example, [-s:]) you must provide an argument for the
option.
A term in italics means that you must fill in the appropriate information. In the following example,
you replace the term in italics with the interface type you are using:
–
Boots the first image in flash memory.
–
flash:/slot0 [name] boots the Cisco IOS software from flash memory.
The above command is not available on the Cisco VG224.
filename tftpserver boots from the specified file over the network from the specified TFTP
–
server. For example:
boot cvg224-i-mz 172.15.19.11
filename boots from the boothelper image because it does not recognize the device ID. This
–
form of the command is used to netboot the image named filename.
The Cisco VG224 does not have a dedicated boothelper image ([rx]boot) as used by some other
Cisco routers. With the Cisco VG224, the first image in flash memory is invoked as the default
boothelper image anytime the ROM monitor does not recognize the device ID in the boot command.
Cisco VG224 Voice Gateway Software Configuration Guide
Entering the ROM Monitor Mode
C-3
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