With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rprOamClassOfService
rpr Oam Class Of Service
1.0.8802.17.1.1.1.2.3.1.6
The class-of-service of OAM session frames
Back to IEEE-802DOT17-RPR-MIB MIB page.
IPHost Network monitor allows you to monitor rprOamClassOfService 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.