With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cMpcInterfaceMappingEntry
Cisco Mpc Interface Mapping Entry
1.3.6.1.4.1.9.9.99999.1.2.1.1
Each row in this table specifies the interface (by ifIndex) to which an MPC (specified by mpcIndex) is bound. Creation of an MPC does not create an entry in this table. After successfully creating an MPC, the MPC has to be bound to an interface in order to create an entry in this table.
Back to CISCO-MPOA-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cMpcInterfaceMappingEntry 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.