With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdccaPeerStatsRARIn
Cisco Diameter Credit Control Application Peer Statistics RAR In
1.3.6.1.4.1.9.10.575.1.3.1.1.7
Number of Diameter Re-Auth-Request (RAR) messages received, per peer.
Back to CISCO-DIAMETER-CC-APPL-MIB MIB page.
IPHost Network monitor allows you to monitor cdccaPeerStatsRARIn on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.