Symptom

Client not able to connect to SAE SSID in flexconnect with 1850 APs AP is sending M3 packet and client sending deauth with RC 0x11 after M3 Reason code: Element in 4-way handshake different from (Re)Association Request/Probe Response/Beacon frame (0x0011)

Conditions

Observed with 1850 running 17.9.4 same scenario is working fine for 3800. SAE SSID Issue is seen after 17.7 with default h2E and HnP enabled by default.

Workaround

Configure HnP in SSID: security wpa akm sae pwe hnp

Further Problem Description