With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ssmProvDppEntry
ssm Prov Dpp Entry
1.3.6.1.4.1.9.9.448.1.1.3.1
This contains information on the DPP to interface association.
Back to CISCO-SSM-PROV-MIB MIB page.
IPHost Network monitor allows you to monitor ssmProvDppEntry 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.