With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
lecsAtmAddrLastUsed
lecs Atm Addr Last Used
1.3.6.1.4.1.9.9.38.1.2.4.1.4
The value of sysUpTime corresponding to the time this entry was last used. The manager may opt to use this object to garbage collect entries that have not been used for a prolonged period of time.
Back to CISCO-LECS-MIB MIB page.
IPHost Network monitor allows you to monitor lecsAtmAddrLastUsed 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.