Cisco 3725 Hardware Installation Guide - Page 95

ROM Monitor Syntax Conventions, ROM Monitor Command Descriptions, Boot Commands in the ROM Monitor - ios download

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Appendix B Using the ROM Monitor ROM Monitor Syntax Conventions help monitor builtin command help history monitor command history iomemdef set IO mem to a default 25% meminfo main memory information repeat repeat a monitor command reset system reset rommon-pref select ROMMON set display the monitor variables stack produce a stack trace sync write monitor environment to NVRAM sysret print out info from last system return tftpdnld tftp image download unalias unset an alias unset unset a monitor variable xmodem x/ymodem image download rommon 2> Note Not all ROM monitor commands are available on all platforms. To display information about command syntax, enter the command name followed by -?. ROM monitor commands are case-sensitive. Enter commands exactly as shown. You can end any command by generating a Break (system interrupt) at the console. ROM Monitor Syntax Conventions ROM monitor syntax in this appendix uses the following conventions: • Square brackets [ ] denote an optional element. In the following example, the element abc is not required, but you can specify it if you choose: command [abc] • 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: command interface-type ROM Monitor Command Descriptions This section describes some useful ROM monitor commands. See the Cisco IOS configuration guides and command references for more information on ROM monitor commands. Boot Commands in the ROM Monitor The router always boots first from a Cisco IOS software image in CompactFlash memory, because there is no separate, dedicated boot helper image ([rx]boot). The first image in CompactFlash memory functions as the boot helper image, but you can override this by setting the BOOTLDR Monitor OL-2180-08 Cisco 3700 Series Routers Hardware Installation Guide B-3

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B-3
Cisco 3700 Series Routers Hardware Installation Guide
OL-2180-08
Appendix B
Using the ROM Monitor
ROM Monitor Syntax Conventions
help
monitor builtin command help
history
monitor command history
iomemdef
set IO mem to a default 25%
meminfo
main memory information
repeat
repeat a monitor command
reset
system reset
rommon-pref select ROMMON
set
display the monitor variables
stack
produce a stack trace
sync
write monitor environment to NVRAM
sysret
print out info from last system return
tftpdnld
tftp image download
unalias
unset an alias
unset
unset a monitor variable
xmodem
x/ymodem image download
rommon 2>
Note
Not all ROM monitor commands are available on all platforms.
To display information about command syntax, enter the command name followed by
-?
. ROM monitor
commands are case-sensitive. Enter commands exactly as shown. You can end any command by
generating a Break (system interrupt) at the console.
ROM Monitor Syntax Conventions
ROM monitor syntax in this appendix uses the following conventions:
•
Square brackets [ ] denote an optional element. In the following example, the element
abc
is not
required, but you can specify it if you choose:
command
[
abc
]
•
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:
command
interface-type
ROM Monitor Command Descriptions
This section describes some useful ROM monitor commands. See the Cisco IOS configuration guides
and command references for more information on ROM monitor commands.
Boot Commands in the ROM Monitor
The router always boots first from a Cisco IOS software image in CompactFlash memory, because there
is no separate, dedicated boot helper image ([rx]boot). The first image in CompactFlash memory
functions as the boot helper image, but you can override this by setting the BOOTLDR Monitor