I get this error - Error: Failed to download image - Image signature cannot be validated. - on the file summitX-30.6.1.11-patch1-2.xos for the 440-G2. The non-patched version works ok.
I believe you are missing the 'encapsulation dot1q' command on your VOSS interface. Here is an article, will have to scroll down for VOSS commands on how to do tagging on an interface. https://extreme-networks.my.site.com/ExtrArticleDetail?an=000086...
Ran into this yesterday. Ended up using these steps from the article, rescued with 30.5 summitlite firmware, from there updated to the latest. This was a x435 straight out of the box. Article: https://extreme-networks.my.site.com/ExtrArticleDetai...