How do I NAT a TCP/UDP port range without entering a seperate NAT for each port? Cisco Forum FAQ
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The general answer to this question is that it can't be done.

However it is possible using a technique that was actually designed for a different purpose, an IP NAT pool. Using a NAT pool means you can specify an ACL (in this case with the port range) but you use a "pool" of a single address and specify the rotary method.

In the example below the IP address 192.168.1.10 is the internal address that you wish to forward the range of TCP ports to:


If you wish to forward UDP port range instead, you can simply replace the tcp parameter on ACL 100 with udp.


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by Phraxos edited by nozero
last modified: 2007-12-31 13:44:23


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