With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fcmPortLcClass3RxOctets
fcm Port Lc Class3 Rx Octets
1.3.6.1.2.1.10.56.1.5.1.17
The number of octets contained in Class 3 frames received at this port.
Back to FC-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor fcmPortLcClass3RxOctets 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.