With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
civrZoneMemberLunID
Cisco Inter VSAN routing Zone Member Lun ID
1.3.6.1.4.1.9.9.371.1.1.4.2.1.8
This object specifies the Lun ID if IV Lun zoning is configured. If this object is the zero-length string, then IV Lun zoning is not configured. This object cannot be modified while the corresponding value of zoneMemberRowStatus object is 'active'.
Back to CISCO-IVR-MIB MIB page.
IPHost Network monitor allows you to monitor civrZoneMemberLunID 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.