With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cpwVcIdMappingTable
Cisco Pseudo Wire Vc Id Mapping Table
1.3.6.1.4.1.9.10.106.1.7
This table provides reverse mapping of the existing VCs based on vc type and VC ID ordering. This table is typically useful for EMS ordered query of existing VCs.
Back to CISCO-IETF-PW-MIB MIB page.
IPHost Network monitor allows you to monitor cpwVcIdMappingTable 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.