With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dot1agCfmMepNextLbmTransId
dot1ag Cfm Mep Next Lbm Trans Id
Next sequence number/transaction identifier to be sent in a Loopback message. This sequence number can be zero because it wraps around. REFERENCE 802.1ag clauses 12.14.7.1.3:x and 20.28.2
Back to IEEE8021-CFM-MIB MIB page.
IPHost Network monitor allows you to monitor dot1agCfmMepNextLbmTransId 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.