Cisco Systems 12810, 12010, 12410 manual Command Purpose, Boot flash

Chapter 4 System Startup and Basic System Configuration

Manually Booting the System

Caution Use the boot flash command with care. Make sure that the flash memory card inserted in slot 0 contains a valid Cisco IOS software image; otherwise, you could instruct the system to boot an invalid image from the flash memory card. Before entering a boot command, always enter the dir slotn: command to examine the contents of a flash memory card.

Table 4-3 Boot Commands

Command	Purpose
boot	(No argument.) Boots the default image in
	NVRAM. This image is loaded into memory
	at the factory.
boot bootflash: filename	Boots the router using the specified file in
	NVRAM.
boot disk0: filename	Boots the file filename from the flash disk in
	slot 0.
boot disk1: filename	Boots the file filename from the flash disk in
	slot 1.
boot flash	(Does not specify a particular PCMCIA slot.)
	Attempts to boot the router using the first file
	from the flash memory card in slot 0.
boot slot0: filename	Boots the specified file from the linear flash
	memory card in slot 0.
boot slot1: filename	Boots the specified file from the linear flash
	memory card in slot 1.
boot tftp: filename [host]	Boots the router using the specified file and
or	host name from a TFTP server in the network.
boot [host] filename

	Cisco 12010, Cisco 12410, and Cisco 12810 Router Installation and Configuration Guide
OL-11496-01		4-13