With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
vsanWwnListRowStatus
vsan Wwn List Row Status
1.3.6.1.4.1.9.9.282.1.2.3.1.4
The status of this conceptual row. Users can create, and delete the Port WWN entry.
Back to CISCO-VSAN-MIB MIB page.
IPHost Network monitor allows you to monitor vsanWwnListRowStatus 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.