Changing The Rom Monitor Prompt; Displaying The Configuration Register Setting; Environment Variable Settings - Cisco 4451-X Hardware Installation Manual

Chapter 5 ROM Monitor Overview and Basic Procedures
help
history
meminfo
repeat
reset
set
showmon
stack
sync
sysret
tsec
unalias
unset

Changing the ROM Monitor Prompt

You can change the prompt in ROM Monitor mode by using the PS1= command as shown in the
following example:
rommon 8 > PS1="ISR4400 rommon ! > "
ISR4400 rommon 9 >
Changing the prompt is useful if you are working with multiple routers in ROM Monitor at the same
time. This example specifies that the prompt is "" followed by the line number.

Displaying the Configuration Register Setting

To display the current configuration register setting, enter the confreg command without parameters as
follows:
rommon > confreg
(Virtual Configuration Register: )
enabled are:
console baud: 9600
boot: the ROM Monitor
do you wish to change the configuration? y/n
The configuration register setting is labeled Virtual Configuration Register. Enter the no command to
avoid changing the configuration register setting.

Environment Variable Settings

The ROM Monitor environment variables define the attributes of the ROM Monitor. Environmental
variables are entered like commands and are always followed by the equal sign (=). Environment variable
settings are entered in capital letters, followed by a definition. For example:
IP_ADDRESS=10.0.0.2
monitor builtin command help
monitor command history
main memory information
repeat a monitor command
system reset
display the monitor variables
display currently selected ROM monitor
produce a stack trace
write monitor environment to NVRAM
print out info from last system return
print out info from the ethernet driver
unset an alias
unset a monitor variable
Configuration Summary
Hardware Installation Guide for the Cisco 4451-X Integrated Services Router
Displaying the Configuration Register Setting
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