With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rmRingIsoErrorStatus
rm Ring Iso Error Status
1.3.6.1.4.1.224.5.8
This variable will give the data structure describing the isolating error state of the ring.
Back to LANOPTICS-RING-MANAGER-MIB MIB page.
IPHost Network monitor allows you to monitor rmRingIsoErrorStatus on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.