Cisco 5520 in HA running 8.10.151 with (150) 2082i access points. Local mode, local controller, central switching. WPA2 AES PSK. Fast Roaming OTA. 802.11v/k enabled. Session timeout 28800. 5Ghz only, 20Mhz channels all UNII1/2/2e/3 enabled. No DFS is...