With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
iscsi2FcNodeName
iscsi2 Fc Node Name
1.3.6.1.4.1.9.9.317.1.1.3.1.2
A character string that is a globally unique identifier for the node represented by this entry. The node name is independent of the location of the node, and can be resolved into a set of addresses through various discovery services.
Back to CISCO-ISCSI-GW-MIB MIB page.
IPHost Network monitor allows you to monitor iscsi2FcNodeName 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.