Enable Mode Commands : System administration commands : image upgrade
  
image upgrade
Installs a system image on the backup boot partition.
Syntax
image upgrade <image-name>
Parameters
<image-name>
Software image filename to install.
Usage
This command only installs the image on the backup boot partition.
Example
amnesiac # image upgrade image187.img
Product
SCC, Interceptor, SteelHead CX, SteelHead-v, SteelHead-c, Client Accelerator
Related Commands
“show bootvar,” “show images,” “show info,” show version