With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cpwCTDMPerfCurrentEntry
Cisco Pseudo Wire CTDM Performance Current Entry
1.3.6.1.4.1.9.10.131.1.5.1
An entry in this table is created by the agent for every cpwCTDMTable entry. After 15 minutes, the contents of this table entry are copied to a new entry in the cpwCTDMPerfInterval table and the counts in this entry are reset to zero.
Back to CISCO-IETF-PW-TDM-MIB MIB page.
IPHost Network monitor allows you to monitor cpwCTDMPerfCurrentEntry 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.