With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdccaPeerStatsAAADropped
Cisco Diameter Credit Control Application Peer Statistics AAA Dropped
1.3.6.1.4.1.9.10.575.1.3.1.1.18
Number of Diameter AA-Answer (AAA) messages dropped, per peer.
Back to CISCO-DIAMETER-CC-APPL-MIB MIB page.
IPHost Network monitor allows you to monitor cdccaPeerStatsAAADropped on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.