With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
vsanTable
vsan Table
1.3.6.1.4.1.9.9.282.1.1.3
This table lists all the VSAN configured on this device. This table allows users to create, delete and manage the VSANs on local device.
Back to CISCO-VSAN-MIB MIB page.
IPHost Network monitor allows you to monitor vsanTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.