Theoretically if you use the comand Enforcer# update with the usb stick connected physically to the enforcer it should run the process automatically.
To upgrade the Enforcer appliance image from x.x with a USB disk
-
Copy the two update files, initrd-Enforcer.img.gpg
and package list
, to a USB disk.
-
Type the following command to automatically update the Enforcer appliance:
Enforcer# update
Here is the source: http://www.symantec.com/docs/HOWTO55660
Regards,
Sebastián