With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fc2IscsiNodePermitListIndex
fc2 Iscsi Node Permit List Index
1.3.6.1.4.1.9.9.317.1.1.4.1.4
The index of a list in the iscsiNodeNameListTable which lists all the iSCSI nodes that are permitted to access the node represented by this entry. If fc2IscsiNodeAllIntrAccessAllowed is 'false' and the value of this object is 0, then no initiators are allowed to access this target.
Back to CISCO-ISCSI-GW-MIB MIB page.
IPHost Network monitor allows you to monitor fc2IscsiNodePermitListIndex on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.