With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cSpAccDupfRcvdPackets
Cisco Sp Acc Dupf Received Packets
1.3.6.1.4.1.9.10.73.1.6.1.1.68
Count of Data User Part (facility registration and cancellation messages) - Dupf packets received on this linkset, DPC and OPC combination.
Back to CISCO-SP-MIB MIB page.
IPHost Network monitor allows you to monitor cSpAccDupfRcvdPackets 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.