I agree with JJohnston. Definitely use profiling. But I would advise you isolate the Vlan from the rest of your LAN/Wireless networks using ACL's on your LAN network. Although both are good, they are still weak against someone less determined. Genera...
Hmm, couldn't you create a new hidden (not for security reasons) WLAN and simply use the same interface or interface group as the WLAN with PSK enabled? Bearing in mind MAB is somewhat insecure compared to WPA/2 PSK