Hi all!   We have a networks mixed with Cisco Classic Switches and Meraki APs. In one of them there are issues with one of the SSIDs. One C2960 switch connected to MR44 APs and one C9200 connected to MR36 APs(both with version 30.6). It is not possible for computers that are not company owned and for phones(regardless of owner) to log in to the main SSID, they do fine on our guest SSID however. We suspect troubles with the ISE certificate. Usually when you log on to our main SSID your phone would ask you if you trust this certificate, this does no longer happen on our main SSID in this particular network. It used to work well. The log sometimes complain about CoA, sometimes about DHCP and sometimes abour Radius. Any ideas? ... View more