With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
iscsiNodeNameIndex
iscsi Node Name Index
1.3.6.1.4.1.9.9.317.1.1.6.1.2
An arbitrary integer value, which identifies a iSCSI node name.
Back to CISCO-ISCSI-GW-MIB MIB page.
IPHost Network monitor allows you to monitor iscsiNodeNameIndex on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.