With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cfmFcipFabricWWN
Cisco Fibre Channel IP Management Fcip Fabric WWN
1.3.6.1.4.1.9.10.96.1.1.2
The World Wide Name of this FCIP device. The zero-length string value is used in circumstances where the WWN is unassigned/unknown.
Back to CISCO-FCIP-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor cfmFcipFabricWWN 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.