With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cfcmInstanceIndex
Fibre Channel Management Instance Index
1.3.6.1.4.1.9.10.999999.1.1.1.1
An arbitrary integer value which uniquely identifies this instance amongst all local Fibre Channel management instances. It is mandatory that this value remain constant between restarts of the agent except, in case of certain re- configurations of the local system where it is natural for it to change. It is desirable that this value remain constant across restarts.
Back to CISCO-FC-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor cfcmInstanceIndex on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.