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Cisco 1710 Security Router Software Configuration Guide

78-12696-01

Appendix A ROM Monitor

Disaster Recovery with TFTP Download

The standard way to load new software on your router is using the copy tftp flash

privileged EXEC command from the Cisco IOS software command-line interface

(CLI). However, if the router is unable to boot the Cisco IOS software, you can

load new software while in ROM monitor mode.

This section describes how to, while in ROM monitor mode, load a Cisco IOS

software image from a remote TFTP server to the router Flash memory. Use the

tftpdnld command only for disaster recovery because it erases all existing data in

Flash memory before downloading a new software image to the router.

Note The 10BASE-T Ethernet Port is not active in ROM monitor mode, and thus

cannot be used for TFTP Download.

TFTP Download Command Variables

This section describes the system variables that can be set in ROM monitor mode

and that are used during the TFTP download process. There are required and

optional variables.

Note The commands described in this section are case-sensitive and must be entered

exactly as shown in the lists.

b flash: [filename] Attempts to boot the image directly from the first partition of Flash memory.

If you do not enter a filename, this command will boot this first image in

Flash.

b flash:2: [filename] Attempts to boot the image directly from the second partition of Flash

memory. f you do not enter a filename, this command will boot this first

image in the second partition of Flash memory.

Table A-1 Most Commonly Used ROM Monitor Commands (continued)

Command Description

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