With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
vsanIfNumber
vsan If Number
1.3.6.1.4.1.9.9.282.1.2.4
The number of rows in the vsanIfTable.
Back to CISCO-VSAN-MIB MIB page.
IPHost Network monitor allows you to monitor vsanIfNumber 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.