@AndyDee119 Thanks for the quick reply, and good news!  Can you give any more detail about the Radius issue, or what was done to resolve it? Or your support case ID so I can point support at it? My gmail is the same as this username if you don't want to post publicly.  Did you by any chance try editing power management options on laptops to set wireless network adapter to "max performanace" while on battery? I've got our support team looking at that at the moment.  ... View more

@AndyDee119 Would be really interested to hear your feedback on 28.3 and if it solved your problem. We have the exact same problem with MR46 APs in one site, but no issues in all other sites using MR42 APs. Our issues can last longer - hours - without going away. In order to rule out interference, we have 802.11w (PMF) set to "Required" so rival wifi systems can't deauth a client. I've monitor-mode packet captured and proven that the PMF-enabled deauthentication frames come from the MR. These deauthentication frames sent by the MR show as/trigger "unknown reason" disassociations in the event log.  See the following for packet captures: https://documentation.meraki.com/MR/Monitoring_and_Reporting/Capturing_Wireless_Traffic_from_a_Client_Machine  (and we needed this for our Mac:) https://ask.wireshark.org/question/20984/change-monitor-mode-channel-on-mac-os-big-sur/ We are investigating laptop wifi NIC and drivers, and are seeing the issue more with Intel® Dual Band Wireless-AC 8265 laptops. We don't seem to be seeing the issue with Wi-Fi6 AX201 laptops.  ... View more