With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rprClientDayInUcastClassBEirOctets
rpr Client Day In Ucast Class B Eir Octets
1.0.8802.17.1.1.1.4.3.1.7
The number of MAC to client classB EIR unicast octets.
Back to IEEE-802DOT17-RPR-MIB MIB page.
IPHost Network monitor allows you to monitor rprClientDayInUcastClassBEirOctets on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.