With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cvpdnTunnelSessionDevicePhyId
cvpdn Tunnel Session Device Phy Id
1.3.6.1.4.1.9.10.24.1.3.1.1.11
The device ID of the physical interface for the user session. The object is the the interface index which points to the ifTable. For virtual interface that is not in the ifTable, it will have zero value.
Back to CISCO-VPDN-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor cvpdnTunnelSessionDevicePhyId 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.