Filter
Top Products
4-13
Cisco 12010, Cisco 12410, and Cisco 12810 Router Installation and Configuration Guide
OL-11496-01
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]
or
boot [host] filename
Boots the router using the specified file and
host name from a TFTP server in the network.