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TOPIC: Pix 506E behind Bellsouth Netopia Router

Pix 506E behind Bellsouth Netopia Router 10 years 8 months ago #13896

  • eotero
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I can't access the internet when I connect the external interface on the pix to the Netopia. This is the setup:

Internet<--->(PPPoE to bellsouth)Netopia(68.x.X.33)<-->(68.x.x.34)PIX(172.16.0.1)<-->Switch

What do I need to do to enable access to the internet. Everything is set to factory defaults except the outside interfaces IP and internal interfaces IP. Thanks
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Re: Pix 506E behind Bellsouth Netopia Router 10 years 8 months ago #13898

  • DaLight
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Welcome to firewall.cx, eotero. Have you definitely been assigned multiple static public IPs by your ISP? If you have not, your setup will not work. Let us know if your ISP has assigned dynamic or static IPs, and if static, how many.
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Re: Pix 506E behind Bellsouth Netopia Router 10 years 8 months ago #13901

  • Chris
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eotero,

There are two things you require at a minimum in order to access the Internet via your PIX Firewall:

1) Access List to permit your network to access the Internet
2) NAT Policy for the translation(s) that need to take place.

To help you a bit further, here is an example of both taken from my PIX Firewall and assuming 192.168.0.0/24 is my local network:

1)
access-list in-to-out permit ip 192.168.0.0 255.255.255.0 any
access-group in-to-out in interface outside

2)
nat (inside) 1 access-list in-to-out 0 0

The nat (inside) command instructs the PIX firewall to perform ACL based nat translation based upon the ACL "in-to-out".

Let us know if you need more information.

Cheers,
Chris Partsenidis.
Founder & Editor-in-Chief
www.Firewall.cx
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Re: Pix 506E behind Bellsouth Netopia Router 10 years 7 months ago #14434

  • eotero
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Appreciate the help. it worked perfectly!!!!
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