Configuring nat on a single interface

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Aug 30th, 2002
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I have a 2524 router that I am trying to adapt for a customers network. I have a DSL modem with a static ip connecting into a hub. The router only has one ethernet port. I would like to perform a nat operation if at all possible to translate between the static ip and the internal private ip. Is there a way to do this? Right now I have the static on e0 and the private on e0 secondary.

I am using IOS 12.0 ip plus/fw.

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steve.barlow Fri, 08/30/2002 - 10:00
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I don't think a secondary would work, can you try with subinterfaces?

flugel_1 Tue, 09/03/2002 - 11:30
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Secondary doesn't work but I get the eror message that you must be running ISL or 802.11Q to have a subinterface on a ethernet port. Is it possible to act like you are running VLANs without running VLANs.

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