With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
natSessionUpTime
nat Session Up Time
1.3.6.1.2.1.123.1.9.1.7
The up time of this session in one-hundredths of a second.
Back to NAT-MIB MIB page.
IPHost Network monitor allows you to monitor natSessionUpTime on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.
