With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cIscsiTgtPortalAttributesTable
Cisco Iscsi Tgt Portal Attributes Table
1.3.6.1.4.1.9.10.94.1.4.1
A list of transport endpoints (using TCP or another transport protocol) on which this iSCSI instance listens for incoming connections to its targets.
Back to CISCO-ISCSI-MIB MIB page.
IPHost Network monitor allows you to monitor cIscsiTgtPortalAttributesTable 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.