FreeKB - Cisco IOS Network Address Translation (NAT)
Cisco IOS - Network Address Translation (NAT)

Simply put, network address translation (nat) converts a private IP address such as to a public IP address. Typically, network address translation is done by a router or modem on the edge of your network for traffic between an external system (e.g. from the Internet) and your internal private network.


Use the show ip nat translations to view the NAT table in IOS.

R1> enable
R1# show ip nat translations
. . .


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