Hi,This issue is similar to this thread as well. Sorry no solution though.https://supportforums.cisco.com/click.jspa?searchID=26209057&objectType=2&objectID=3327641Cole
I have this issue in spades.My investigation shows that the WAP4410N does not forward the broadcast ARP request from the router to the clients so that they cannot answer it. Therefore the router does not know where to send the packets for the clients...