With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dot5RingOpenStatus
dot5 Ring Open Status
1.3.6.1.2.1.10.9.1.1.5
This object indicates the success, or the reason for failure, of the station's most recent attempt to enter the ring.
Back to TOKENRING-MIB MIB page.
IPHost Network monitor allows you to monitor dot5RingOpenStatus on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.