[pptp-server] Sanity Check -- NAT + VPN

Michael McConnell michaelm at eyeball.com
Thu Sep 6 13:46:46 CDT 2001


I've been bit by these various problems..

I've just completed a migration from PPTP-Client / PopTop to VTUN
http://vtun.sourceforge.net/

Check it out, you will not have any of these problems in VTUN's Ether
Configuration.

Mike

----- Original Message -----
From: "Jamin Collins" <JaminC at adapt-tele.com>
To: "'Christopher Kalos'" <ckalos at gothambroadband.com>; "Poptop Mailing
List" <pptp-server at lists.schulte.org>
Sent: Thursday, September 06, 2001 9:40 AM
Subject: RE: [pptp-server] Sanity Check -- NAT + VPN


> Christopher Kalos [mailto:ckalos at gothambroadband.com] wrote:
> > I've got a group of systems attempting to access our PoPToP VPN from
> a
> > remote location.  At this point, they're all sharing a single connection
> to
> > the outside world, so they're dealing with a NAT gateway.  I'm certain
> that
> > this can't be done, but I'd like to bounce it off of the list first.
Can
> > multiple clients connect from behind this NAT system to the VPN at the
> same
> > time?  If so, how would I go about setting that up?  I know that at the
> > moment, it fails miserably each time I try to get two users on, which
I'll
> > chalk up to the GRE traffic.
>
> You are absolutely correct.  PoPToP for a few different reasons can not
> accept multiple concurrent connections from the same IP address.
>
> Jamin W. Collins
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