With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoExtScsiLunDiscPortId
cisco Ext Scsi Lun Disc Port Id
1.3.6.1.4.1.9.9.299.1.1.12
This object specifies the FCID of the port for which the LUNs/targets need to be discovered, in the case of port-based discovery. If a port-based discovery is not being initiated, then the value of this object will be ignored and should be set to all zeros.
Back to CISCO-EXT-SCSI-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoExtScsiLunDiscPortId 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.