With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cpwVcPeerMappingVcID
Cisco Pseudo Wire Vc Peer Mapping Vc ID
1.3.6.1.4.1.9.10.106.1.8.1.4
The VC ID of this VC. Zero if the VC is configured manually.
Back to CISCO-IETF-PW-MIB MIB page.
IPHost Network monitor allows you to monitor cpwVcPeerMappingVcID on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.