With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cnatSessionCurrentIdletime
cnat Session Current Idletime
1.3.6.1.4.1.9.10.77.1.2.5.1.14
The time in one-hundredths of a second since a packet belonging to this session was last detected.
Back to CISCO-IETF-NAT-MIB MIB page.
IPHost Network monitor allows you to monitor cnatSessionCurrentIdletime 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.
