Change Boot Image

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Change Boot Image

Problem

You want to boot using an alternate IOS image.

Solution

To specify which IOS image the router should load next time it reboots, use the boot system command:

Router1# configure terminal 
Enter configuration commands, one per line. End with CNTL/Z.
Router1(config)# boot system flash:c3620-jk9o3s-mz.122-7a.bin
Router1(config)#boot system flash:c3620-jos56i-l.120-11.bin
Router1(config)#boot system slot0:c3620-ik9s-mz.122-13.bin
Router1(config)#boot system rom
Router1(config)#end
Router1(config)#write memory