Those black dots usually mean the AP couldn’t complete a DHCP exchange. It happens when the client drops briefly during reauthentication or channel change. Check if DHCP lease timers are too short and watch for 802.1X reauth events that interrupt ren...
Same here on 5520 and 5420 stacks with 32.7.x. CPU alerts in XIQ-SE don’t always match CLI values, usually during polling or stack sync. hal sometimes spikes briefly after link events but clears on its own. Looks more like a monitoring false positive...
I’ve seen this before, those black dots show when a client doesn’t complete DHCP after roaming. The device jumps between APs but loses its IP for a bit. I’d check if all APs use the same VLAN and if the DHCP relay is set up consistently, that usually...
That error shows up because TC7 is still linked to a lossless or fabric priority group in the current CEE map. Even if PFC is disabled, the switch won’t let you remap it. Edit the CEE map to detach TC7 from that group, apply the changes, then reapply...