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Re: [Openvpn-users] IP addressing problem


  • Subject: Re: [Openvpn-users] IP addressing problem
  • From: Leonard Isham <leonard.isham@xxxxxxxxx>
  • Date: Sat, 2 Oct 2004 07:08:16 -0400

On Sat, 2 Oct 2004 07:18:42 +0000 (UTC), Kevin Goad <supergoad@xxxxxxxxx> wrote:
> Well, in short, here is what I want to do:
> http://68.48.222.152/~keving/diagram.png
> 
> I use 192.168.0.0/24 addresses, but these seem to bypass the tunnel when I am on
> a physical network that uses 192.168.0.0/24.

I checked your diagram.  What you are trying to do breaks the
fundamental TCP/IP addressing rules.  You can't have two separate
physical subnets with the same subnet, and route between them unless
you use NAT.

As an example have the server NAT 192.168.0.X to 192.168.1.X and the
remote location NAT 192.168.0.X to 192.168.2.X.  When you want to
connect between the two subnets use the NATed IP address.
-- 
Leonard Isham, CISSP 
Ostendo non ostento.

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