With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dot1agCfmMepErrorCcmLastFailure
dot1ag Cfm Mep Error Ccm Last Failure
The last-received CCM that triggered an DefErrorCCM fault.
Back to IEEE8021-CFM-MIB MIB page.
IPHost Network monitor allows you to monitor dot1agCfmMepErrorCcmLastFailure 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.