With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
vsanLastChange
vsan Last Change
1.3.6.1.4.1.9.9.282.1.1.2
The value of sysUpTime at the time of the last creation, deletion or modification of an entry in the vsanTable and the vsanIfTable, where modification is a change in the value of any object instance within the table.
Back to CISCO-VSAN-MIB MIB page.
IPHost Network monitor allows you to monitor vsanLastChange on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.