With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
atmAddressTable
atm Address Table
1.3.6.1.4.1.351.110.1.4.1.2.1
A table implemented by the network-side of an ATM UNI port, containing the ATM-layer addresses in effect on the user-side of the UNI.
Back to CISCO-MGX82XX-ATM-UNI-PORT-MIB MIB page.
IPHost Network monitor allows you to monitor atmAddressTable 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.