Administrator Guide

Switch Management Commands 1961
boot system
Use the boot system command in Privileged Exec mode to specify the system
image that the device loads at startup.
Syntax
boot system [unit-id][active|backup]
• unit-id —Unit to be used for this operation. If absent, command executes
on this node.
•
active —Boot from the currently active image.
•
backup —Boot from the backup image.
Default Configuration
This command has no default configuration.
Command Mode
Privileged Exec mode
User Guidelines
Use the show bootvar command to find out which image is the active image.
Example
console#boot system ?
<unit> Unit to be used for this operation. If absent,
command executes on this node.
active Marks the given image as active for subsequent
re-boots.
backup Marks the given image as active for subsequent
re-boots.
console#show version
delete backup-image show running-config
delete startup-config show startup-config
dir write
2CSNXXX_SWUM204.book Page 1961 Monday, January 25, 2016 1:25 PM