Sometimes there are questions or problems asked here on The Hub that are simply better suited to be resolved by our award-winning GTAC team. Such occasions are generally pointed out by someone requesting that you "open a case with GTAC." If you've ever wondered how to do that, look no further... We've just published our re-vamped GTAC User Guide
You'll find it here: https://www.extremenetworks.com/support/policies/
Understanding its content will help us help you!
If you find something is unclear or missing, let me know and I'll do what I can to get it corrected.