Note
You cannot automatically update a switch running ExtremeXOS 30.2 or earlier to ExtremeXOS 30.3 or later due to a file system compatibility issue. If you are inserting a switch that has ExtremeXOS 30.2 or earlier, prior to inserting the switch into the stack topology, you need to manually upgrade the switch with the following procedure.Hitless upgrade is not supported in a stack, except during a Stack Rolling Software Upgrade.
use image {primary | secondary} slot slot-number reboot slot slot-number