With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cLTsmDot11ClientIndex
Cisco L Tsm Dot11 Client Index
1.3.6.1.4.1.9.9.525.1.2.1.1.1
This object uniquely identifies one client associated to the AP through the dot11 interface identified by cLApSysMacAddress and cLApDot11IfSlotId.
Back to CISCO-LWAPP-TSM-MIB MIB page.
IPHost Network monitor allows you to monitor cLTsmDot11ClientIndex on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.