With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cvpdnTunnelTunnelId
cvpdn Tunnel Tunnel Id
1.3.6.1.4.1.9.10.24.1.2.1.1.1
The Tunnel ID of an active VPDN tunnel. If it is the instigator of the tunnel, the ID is the HGW/LNS tunnel ID, otherwise it is the NAS/LAC tunnel ID.
Back to CISCO-VPDN-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor cvpdnTunnelTunnelId on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.