I opened a Meraki TAC, but they didn't help me much with that. "Please start by performing a cable test, checking the negotiation settings on the switch, and potentially cycling the switch ports." I have around 400 APs on several different networks, connected to several different switches, but I've noticed that all the APs that are connected to 100mbit are showing the degradation alert. I did a test with any AP near me, where it was connected to a meraki switch and the cabling was ok, it wasn't showing any error alerts. I forced the port where the AP is connected and mysteriously the alert appears simply because the AP is connected to a 100 Mbit port (forced), after which I did a cable test on the meraki where all the tests were completed successfully. I sent this to the meraki engineer and his reply was simply “I do not see any issues with the Port or AP. I will move this case to closed as proper investigation needs to occur through the before mentioned checks.” And closed ticket.
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