With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
c2900PortAddrSecureAgingTime
Cisco 2900 Port Address Secure Aging Time
1.3.6.1.4.1.9.9.87.1.4.1.1.38
The aging interval in minutes for each secure address entry on a given port. Depending on the type of aging the secure address will age out after the expiration of the aging time and will be removed from the secure address list. Any change in the value of this object will restart the aging for all the secure addresses on this port. If the value of this object is 0 for a given port, the aging mechanism is disabled for this port.
Back to CISCO-C2900-MIB MIB page.
IPHost Network monitor allows you to monitor c2900PortAddrSecureAgingTime 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.