Went back and forth with Cisco tech on 2 different cases over 2 months. The solution for me was on our Sonicwall; UDP/ICMP flood protection. Disabled both, problem solved.    This only happened when wireless users began to logon at a high rate. This is at a high school so at 7:30AM the issue would begin and at 2:45PM it would stop. All of Cisco's infinite wisdom couldn't help so i figured it out by pcapping everything under the sun...lol. I can tell you it was a happy day! ... View more

Thanks for the suggestion I will try disabling the lldp on ap ports and see if this helps.    Event logs show nothing and since the disconnection is a minute or less sometimes and when looked at that particular time event it is nothing there. I will try doing a packet capture again.    The only change that happend is extending the DHCP scope from /22 to /21 for clients and APs have reserved DHCP IP. Clients and APs are in same subnet and vlan.  ... View more