With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cfcmPortClass3RxFrames
Fibre Channel Management Port Class3 Rx Frames
1.3.6.1.4.1.9.10.999999.1.4.1.16
The number of Class 3 frames received at this port.
Back to CISCO-FC-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor cfcmPortClass3RxFrames 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.