With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cvpdnNotifSessionID
cvpdn Notif Session ID
1.3.6.1.4.1.9.10.24.0.1
This object contains the local session ID of the L2X session for which this notification has been generated.
Back to CISCO-VPDN-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor cvpdnNotifSessionID 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.