With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cvpdnUnameToFailHistTunnelId
cvpdn Uname To Fail Hist Tunnel Id
1.3.6.1.4.1.9.10.24.1.4.1.1.2
The Tunnel ID for this failure entry. If it is the instigator of the tunnel, the ID is the TS tunnel ID, otherwise it is the NAS tunnel ID.
Back to CISCO-VPDN-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor cvpdnUnameToFailHistTunnelId 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.