Update - I now have a ticket open with Meraki support as this is affecting more ports and devices.   None of the devices currently affected are POE. Only the Codec are actually switching to down on the switch. ... View more

I should clarify, this actually drops the codec off the network. ... View more

Jumping in here.   I've got a similar issue.   I have 2 MS350-48FP where this is happening on any port with a specific Polycom Group Series 500 codec connected to it. I have a number of other P GS500s connected on these two switches and others that are not suffering the same issue.   LLDP is not enabled on the devices.  They are not POE (I've tried disabling POE).     I've got a ticket open with Polycom and they are looking into it but I'm not sure what the common denominator is yet. ... View more