With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
leClientMacAddressesGroup
le Client Mac Addresses Group
1.3.6.1.4.1.353.5.3.1.2.1.7
A collection of objects which describe all of the MAC addresses registered for each client.
Back to LAN-EMULATION-CLIENT-MIB MIB page.
IPHost Network monitor allows you to monitor leClientMacAddressesGroup on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.