Hi, Tomas. Occam's Razor... the problem was much simpler than suspected, of course. When the gear was moved, connectivity changed to fiber (from twinax) and the crew inadvertently used FET-10G SFPs.  Of course, those are supported on the switch (for ...

Hi, Tomas. Thanks for this article!  I'm resetting a lab fabric (new name, different connectivity model) and seeing a curious effect on the APICs - they think their 10Gb links are down, but the leaf shows them as up.  So, not getting far on fabric di...