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PIX 515E with Multiple "Outside" IP Addresses

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Last Modified: 2013-11-16
I have 64 IP addresses from my ISP, I will call that 1.2.3.4-8 (for easibility)

I have 2 web servers, 1 email, 1 citrix, and 1 dns server that need their own individual "outside" IP addresses; i'll call them 4.5.6.7-11

In my instance, I have a T1 line coming into a Cisco 2600, with T1 WIC, and that is going to the PIX "outside" interface.

I want to use 1.2.3.4 as web server #1's outside IP, I also want this traffic filtered.

So 1.2.3.4(outside) should goto 4.5.6.7(inside) and only allow port 80, and 443.

I want to use the second web server's outside IP in the same fashion, as well as the mail, citrix, and dns servers.

So i'll basically be getting;

1.2.3.4(outside) to 4.5.6.7(inside)
1.2.3.5(outside) to 4.5.6.8(inside)
1.2.3.6(outside) to 4.5.6.9(inside)
1.2.3.7(outside) to 4.5.6.10(inside)
1.2.3.8(outside) to 4.5.6.11(inside)

What is the best-practice for doing a setup like this?

A sample config for the PIX is what im looking for.
Include acl's, natting statements, etc.
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