With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cfcmLinkEnd2PortWwn
Fibre Channel Management Link End2 Port Wwn
1.3.6.1.4.1.9.10.999999.1.10.1.7
The port WWN of end2, or the zero-length string if unknown.
Back to CISCO-FC-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor cfcmLinkEnd2PortWwn 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.