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multiple networks on one interface for rules

I am setting up a new pix and I am trying to setup rules to allow machines coming in from several of our networks on the external interface however when I try to do this the pix wants NAT setup on the interface. I went ahead and setup dynamic NAT using the same ip addresses but when I try to allow those same source IP's on another interface the pix says it cannot comply because of the NAT is setup on the first interface I set the rule up for. any suggestions?

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Re: multiple networks on one interface for rules

I imagine that the networks that have NAT troubles are connected to the inside intrface ?

Here is an example for a quick setup to accomplish that. If you provide me with a little bit more details I can give you a better example.

Config for NAT:

global (outside) 1 interface

nat (inside) 1 0.0.0.0 0.0.0.0

This will allow all internal networks on the inside interface to use the outside interface IP for PAT.

Do not forget to do a < CLEAR XLATE> after changing the NAT setup.

clear xlate

Note that (clear xlate) this will reset all current connections.

sincerely

Patrick

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