With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cpwCTDMPerfIntervalUASs
Cisco Pseudo Wire CTDM Performance Interval UA Ss
1.3.6.1.4.1.9.10.131.1.6.1.11
The counter associated with the number of Unavailable Seconds encountered.
Back to CISCO-IETF-PW-TDM-MIB MIB page.
IPHost Network monitor allows you to monitor cpwCTDMPerfIntervalUASs on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.