Use the show upgrade command to display all of the software upgrade images available on the Wireless Appliance.
Files located on an external flash device have (flash) next to them. In the above example, the file AC-MV-07.41.03.0003-1.rue (flash) is located on the flash device.
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The following example displays the upgrade images on the Wireless Appliance:
EWC.extremenetworks.com# show upgrade 1: AC-MV-07.41.03.0003-1.rue (flash)