Just to add to this topic, we are experiencing the same thing as the others have reported.  We have a combination Meraki  MS and MRs.   The MS switches and older MRs (33, 34) do not have any issues.  Only the newer MR44 and MR46 APs running the 28.5 firmware have the random 2-4 minute loss of communication to the cloud.   We have started a case with support as well. ... View more