I had no such issues.   I worked with Meraki Support with regards to RADIUS issues, they ran a packet capture on the APs, allowing only RADIUS packets, and all RADIUS packets were accounted for. ... View more

Hi Ronnie,   I am using Portnox CLEAR, the cloud product of Portnox as well, and had no roaming issues. I would suspect this is indeed radio interference issues. The best would be to have Meraki support involved in debugging those kinds of issues, they are very helpful from my experience. They can help you pinpoint the issue... ... View more