With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
vsanAdminState
vsan Admin State
1.3.6.1.4.1.9.9.282.1.1.3.1.4
Represents the configurable state of this VSAN. The value 'active' for this object represents the VSAN is configured and services for the VSAN is activated. The value 'suspended' for this object represents the VSAN is configured but services for the VSAN is de-activated. User can use this state to preconfigure all the VSAN parameters for the whole fabric.
Back to CISCO-VSAN-MIB MIB page.
IPHost Network monitor allows you to monitor vsanAdminState 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.