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Static NAT entries show up in the NAT table with no static NAT configured

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Core Issue

The show ip nat translations command only shows entries under inside local and inside global.

Resolution

The only way to determine if a translation is static or dynamic is to issue the show ip nat translations [verbose] command.

If the flag shows static, it is a static translation, as shown in this example:

flags: static, extended, extendable, use_count: 0

Otherwise, the partial entry is a dynamic entry, which is most commonly seen with Domain Name System (DNS) traffic.

For more information on Network Address Translation (NAT), refer to NAT Frequently Asked Questions.