With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
csbRadiusConnectionState
Cisco Session Border Radius Connection State
1.3.6.1.4.1.9.9.658.1.38
This MIB object represents the RADIUS server connection state. The connection state can either be up or down.
Back to CISCO-SESS-BORDER-CTRLR-EVENT-MIB MIB page.
IPHost Network monitor allows you to monitor csbRadiusConnectionState 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.