Cisco 4451 ISR User Manual

5-8
Hardware Installation Guide for the Cisco 4000 Series Integrated Services Router
OL-32185-02
Chapter 5 ROM Monitor Overview and Basic Procedures
Exiting ROM Monitor Mode
Entering Environment Variable Settings
Environment variable settings are entered in capital letters, followed by a definition. The following
example shows the environmental variables used to configure the control Ethernet port on a router:
rommon > IP_ADDRESS=1.1.1.1
rommon > IP_SUBNET_MASK=255.255.254.0
rommon > DEFAULT_GATEWAY=1.1.0.1
Saving Environment Variable Settings
To save the current environment variable settings, enter the sync command:
rommon > sync
Note Environmental values that are not saved with the sync command are discarded whenever the system is
reset or booted.
Exiting ROM Monitor Mode
To exit ROM Monitor mode, you must change the configuration register and reset the router.
SUMMARY STEPS
1. confreg
2. Respond to each prompt as instructed.
3. reset
DETAILED STEPS
Command or Action Purpose
Step 1
confreg
Example:
rommon 1> confreg
Initiates the configuration register configuration prompts.
Step 2
Respond to each prompt as instructed.
See the example that follows this procedure for more
information
.
Step 3
reset
Example:
rommon 2> reset
Resets and initializes the router.

Cisco 4451 ISR Specifications

General

Brand	Cisco
Model	4451 ISR
Category	Network Router
Language	English