With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cnatConfTimeoutUdpIdle
cnat Config Timeout Udp Idle
1.3.6.1.4.1.9.10.77.1.1.1.1.4
The interval of time for which a UDP protocol session, associated with this configuration, is allowed to remain valid without any activity.
Back to CISCO-IETF-NAT-MIB MIB page.
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