Cisco 1700 series Manual - Page 5

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Cisco 1700 series Manual
Appendix B
ROM Monitor
Table B-2
Boot Commands
Command
b
b flash: [filename]
b flash:2: [filename]

Disaster Recovery with TFTP Download

Note

TFTP Download Command Variables

78-5407-03
Table B-2
describes the ROM monitor boot commands. For more information
about the ROM monitor boot commands, refer to the Cisco IOS Configuration
Guide and Cisco IOS Command Reference publications.
Description
Boots the first image in Flash memory.
Attempts to boot the image directly from the first partition of Flash
memory. If you do not enter a filename, this command will boot the
first image in Flash.
Attempts to boot the image directly from the second partition of
Flash memory. If you do not enter a filename, this command will
boot the first image in the second partition of Flash memory.
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 tells how, in ROM monitor mode, to download 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.
A 10BASE-T Ethernet Port is not active in ROM monitor mode and, thus,
cannot be used for TFTP download.
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.
Disaster Recovery with TFTP Download
Cisco 1700 Series Router Software Configuration Guide
B-5