With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
natInterfaceRealm
nat Interface Realm
1.3.6.1.2.1.123.1.3.1.1
This object identifies whether this interface is connected to the private or the public realm.
Back to NAT-MIB MIB page.
IPHost Network monitor allows you to monitor natInterfaceRealm 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.
