With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rsrbRingEntry
rsrb Ring Entry
1.3.6.1.4.1.9.9.29.1.3.1.1
A ring described by a unique ring number within the bridged token ring network, and the virtual ring which it is associated with.
Back to CISCO-RSRB-MIB MIB page.
IPHost Network monitor allows you to monitor rsrbRingEntry 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.