With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cvpdnTunnelLocalIpAddress
cvpdn Tunnel Local Ip Address
1.3.6.1.4.1.9.10.24.1.2.1.1.14
The local IP address of the tunnel. This IP address is that of the interface at the local end of the tunnel.
Back to CISCO-VPDN-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor cvpdnTunnelLocalIpAddress on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.