With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fcmPortInstanceIndex
fcm Port Instance Index
1.3.6.1.2.1.10.56.1.3.1.1
The value of fcmInstanceIndex by which the Fibre Channel management instance, which manages this port, is identified in the fcmInstanceTable.
Back to FC-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor fcmPortInstanceIndex on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.