With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
alActiveSessionSubEntryTotalIdleTime
ALTIGA Active Session Sub Entry Total Idle Time
1.3.6.1.4.1.3076.2.1.2.17.6.1.24
The total amount of time, in seconds that this session has been idle.
Back to ALTIGA-SESSION-STATS-MIB MIB page.
IPHost Network monitor allows you to monitor alActiveSessionSubEntryTotalIdleTime 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.