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Command Descriptions
Command Descriptions
Table A-1
Most Commonly Used ROM Monitor Commands
Command
help or ?
-?
reset or i
dev
dir device:
Boot Commands
b
Cisco 1710 Security Router Software Configuration Guide
A-4
This section describes the most commonly used ROM monitor commands:
Description
Displays a summary of all available ROM monitor commands.
Displays information about command syntax, for example:
rommon 16 > dis -?
usage : dis [addr] [length]
The output for this command is slightly different for the xmodem download
command:
rommon 11 > xmodem -?
xmodem: illegal option -- ?
usage: xmodem [-cyrx] <destination filename>
-c
CRC-16
-y
ymodem-batch protocol
-r
copy image to dram for launch
-x
do not launch on download completion
Resets and initializes the router, similar to a power up.
Lists boot device identifications on the router. For example:
rommon 2> dev
Devices in device table:
id
name
flash: flash
eprom:
eprom
Lists the files on the named device (Flash, for example):
rommon 1> dir flash:
File size
7729736 bytes (0x75f248)
For more information about the ROM monitor boot commands, see the
Cisco IOS Configuration Guide and Cisco IOS Command Reference
publications.
Boots the first image in Flash memory.
Appendix A
Checksum
File name
0xb86d
c1700-bk9no3r2sy7-mz.0412
ROM Monitor
78-12696-01
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