With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
mpcMpsMacAddressIndex
mpc Mps Mac Address Index
1.3.6.1.4.1.353.5.8.1.1.2.16.1.1.2
This value is used to differentiate MAC Addresses from the same MPS used by the same MPC during flow detection. This value should be unique within the scope of this table.
Back to MPOA-MIB MIB page.
IPHost Network monitor allows you to monitor mpcMpsMacAddressIndex on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.