nat configuration

Unanswered Question
Jan 19th, 2009


basically we are to perform a what its called double nat on our asa5510.

on the outside int we have network and on the inside int we have

so basically i figured out that we had to perform a double-nat for this scenario.

can anyone help me out here on how do to it configuration wise.

Thanks in advance.

I have this problem too.
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celiocarreto Tue, 01/20/2009 - 02:59


why double NAT?

My understanding of your scenario is, that you have a Router in Front of your firewall.

So, I would configure PAT on the firewall and static nat on the router.



global (outside) 1 interface

nat (inside) 1



ip nat inside source static x.x.x.x y.y.y.y

x.x.x.x = ASA IP

y.y.y.y = ISP IP

Regards, Celio

zulqurnain Wed, 01/21/2009 - 21:03

Thanks for the input, but I had already completed the objective.

Yes I also did the same what you are talking about. Thanks anyways.


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