Cisco Systems ISR4451XK9 manual Frequently Used Environmental Variables

Chapter 5 ROM Monitor Overview and Basic Procedures

Environment Variable Settings

Under normal operating conditions, you do not need to modify these variables. They are cleared or set only when you need to make changes to the way ROM Monitor operates.

This section includes the following topics:

•Frequently Used Environmental Variables, page 5-6

•Displaying Environment Variable Settings, page 5-6

•Entering Environment Variable Settings, page 5-7

•Saving Environment Variable Settings, page 5-7

Frequently Used Environmental Variables

Table 5-3 shows the main ROM Monitor environmental variables. For instructions on how to use these variables, see the relevant instructions in this document.

Table 5-3 Frequently Used ROM Monitor Environmental Variables

Environmental variable	Description
IP_ADDRESS=ip_address	Sets the IP address for the Management Ethernet
	interface.
IP_SUBNET_MASK=ip_address	Sets the subnet mask for the Management
	Ethernet interface.
DEFAULT_GATEWAY=ip_address	Sets the default gateway that serves.
TFTP_SERVER=ip_address	Sets the IP address of the TFTP server where a
	bootable software image is located.
TFTP_FILE=path/file	Sets the directory and filename of a bootable
	software image.
BOOT=path/file	Identifies the boot software for a node. This
	variable is usually set automatically when the
	router boots.

Displaying Environment Variable Settings

To display the current environment variable settings, enter the set command :

rommon 1 > showmon -v

Current image running (0/1): Boot ROM0

System Bootstrap,		Version 12.2(20120829:165313) [jhayduk-ESGROM_20120829_DELTA 101],
DEVELOPMENT SOFTWARE
Copyright (c) 1994-2012			by cisco Systems, Inc.
Compiled Wed 08/29/2012 12:53:32.67 by jhayduk
CPLD Version	:	35 (MM/DD/YY): 09/03/12 (2.3)
FPGA Version	:	0x82020300 (2.3.0)
FPGA Active	:	read-only image
Board Version	:	2	(P1C)
PCH Version	:	10	(B0)
DP CPU Version	:	00	(1.0)
FPGA-ENV Version:		0105

Hardware Installation Guide for the Cisco 4451-X Integrated Services Router

5-6