This appears to work, my laptop has been able to fast roam for the first time and the dreaded SA Query Timeout message is gone. I must admit I don’t understand why and I’m concerned that it’s working at the cost of security, specifically MacStealer attacks as per this post:
http://forum.mikrotik.com/t/v7-11rc-is-released/168431/1
Can anyone elaborate on what this setting actually does?