From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pascal Hambourg <pascal.mail@plouf.fr.eu.org>
Subject: Re: Multiple PPTP connections from same public IP ?
Date: Wed, 01 Aug 2007 00:12:51 +0200
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Hello,

Michael Gale wrote :
> 
> Am I correct that mutliple GRE (proto 47) tunnels would be a problem 
> when the clients have the same IP address ?

Yes, unless the NAT in "firewall A" has PPTP support.

> We are running the standard kernel 2.6.9-42.0.3.EL.

On "firewall A" ? If so, can't you use a more recent kernel ? PPTP 
conntrack and NAT support, formerly in the patch-o-matic-ng, was added 
in the mainline kernel in version 2.6.14.