With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cfcmSwitchDomainId
Fibre Channel Management Switch Domain Id
1.3.6.1.4.1.9.10.999999.1.2.1.2
The Domain Id of this switch. A value of zero indicates that a switch has not (yet) been assigned a Domain Id.
Back to CISCO-FC-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor cfcmSwitchDomainId 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.