With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dot1agCfmLtrManAddress
dot1ag Cfm Ltr Man Address
The TAddress that can be used to access the SNMP agent of the system transmitting the CCM, received in the CCM Sender ID TLV from that system. If the related object dot1agCfmLtrManAddressDomain contains the value 'zeroDotZero', this object dot1agCfmLtrManAddress MUST have a zero-length OCTET STRING as a value. REFERENCE 802.1ag clauses 12.14.7.5.3:j, 21.5.3.7, 21.9.6
Back to IEEE8021-CFM-MIB MIB page.
IPHost Network monitor allows you to monitor dot1agCfmLtrManAddress on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.