With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dot1agCfmMepTransmitLbmSeqNumber
dot1ag Cfm Mep Transmit Lbm Seq Number
The Loopback Transaction Identifier (dot1agCfmMepNextLbmTransId) of the first LBM (to be) sent. The value returned is undefined if dot1agCfmMepTransmitLbmResultOK is false. REFERENCE 12.14.7.3.3:a
Back to IEEE8021-CFM-MIB MIB page.
IPHost Network monitor allows you to monitor dot1agCfmMepTransmitLbmSeqNumber 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.