Hi All, does the following sound familiar to anyone?: PPSK environment for BYOD students (K-12). Laptops randomly refuse to connect after just working fine for days or even weeks or months but then suddenly refuse to connect again. Issuing a new PPSK key immediately works again. Also, on the same access points (230 and 330 APs mostly), a free radius server handles authentication for another SSID. Some users, mostly iPads 2018, get rejected as well and then cannot join. The events and alarm section the AP where the client attempts to connect is filled with “Client connect down” logs, where the affected client joins and then deauthenticates within 1 minute on an ongoing basis. Totally crazy. We do not see the client log on the radius server that handles that 2nd SSID to be any different in comparison to devices that authenticate fine and do not exhibit the issue described above. We upgraded from 6.5r1 to 6.5r10, unfortunately without any change in the behaviour. Thanks in advance. Alex
