Another perspective: Nvidia customer support on their mellanox purchase ...is total crap. It's the worst of corporate America ... paper pushing beurceatric guys who slow roll stuff ... getting to a smart person behind the customer reps requires one to be an ape in a bad mood 5x ... I think they're so used to that now that unless you go crazy mode their take is ... well I guess he wasn't serious about his ask and he dropped it.
Here's another nvdia/mellanox bs problem: many mlx nic cards are finalized or post assembled say by hp. So if you have a hp "mellanox" nic nvidia washes their hands of anything detailed. It's not ours; hp could have done anything to it what do we know? So one phones hp ... and they have no clue either because it's really not their IP or their drivers.
It's a total cluster bleep and more and more why corporate america sucks
I have guessing you have HP "mellanox"? Because Connect-X support are great.
Corporate America actually resembles the state of government a lot too. Deceptive marketing, inflated prices that leave the average Joe behind, and low quality products on top of all that.