With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cbeDot1dTpVlanEntry
Cisco Bridge Dot1d Tp Vlan Entry
1.3.6.1.4.1.9.9.401.1.1.2.1
Each entry contains the aging out configuration and the configuration source of the aging out value applied at each VLAN.
Back to CISCO-BRIDGE-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cbeDot1dTpVlanEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.