With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
smonVlanIdStatsCreateTime
smon Vlan Id Stats Create Time
1.3.6.1.2.1.16.22.1.2.2.1.14
The value of sysUpTime when this entry was last activated. This object allows to a management station to detect deletion and recreation cycles between polls.
Back to SMON-MIB MIB page.
IPHost Network monitor allows you to monitor smonVlanIdStatsCreateTime 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.
