With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdbpRealmMessageRouteAccDupReqsts
Cisco Diameter Base Protocol Realm Message Route Acc Duplicate Reqsts
1.3.6.1.4.1.9.10.133.1.6.1.1.23
The number of duplicate Diameter accounting packets sent to this realm.
Back to CISCO-DIAMETER-BASE-PROTOCOL-MIB MIB page.
IPHost Network monitor allows you to monitor cdbpRealmMessageRouteAccDupReqsts 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.