With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rpmChanOAMloopback
rpm Chan OA Mloopback
1.3.6.1.4.1.351.110.5.2.10.1.1.1.33
This object specifies how often to generate an OAM F5 loopback cell from this virtual circuit. The value zero will disable generation of OAM F5 loopback cells.
Back to CISCO-MGX82XX-RPM-CONN-MIB MIB page.
IPHost Network monitor allows you to monitor rpmChanOAMloopback 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.