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 From:  "Fred Weston" <fred at daytonawan dot com>
 To:  "'M. G. \(Michael\) de Bruin'" <mg dot debruin at buum dot nl>
 Cc:  <m0n0wall at lists dot m0n0 dot ch>
 Subject:  RE: [m0n0wall] PPTP using same IP network on both sides
 Date:  Fri, 2 Jan 2004 12:16:18 -0500
Michael,

Thanks for the tip.  That does sound like it would solve the problem.
Falcor, I hope that last bit was a joke!  :)

Thanks

> -----Original Message-----
> From: M. G. (Michael) de Bruin [mailto:mg dot debruin at buum dot nl] 
> Sent: Friday, January 02, 2004 12:09 PM
> To: Fred Weston
> Cc: m0n0wall at lists dot m0n0 dot ch
> Subject: Re: [m0n0wall] PPTP using same IP network on both sides
> 
> 
> 
> 
> Fred Weston wrote:
> > I've run into a problem a few times where someone will PPTP to my 
> > m0n0wall box, and then have problems talking to anything 
> because their 
> > network is set up with the same LAN IP range as mine.  I 
> could change 
> > to an obscure network, but I was wondering if anyone knows 
> an easier 
> > way to deal with this problem.
> One of the most used solutions is to do static source NAT'ting, where 
> you do a 1:1 nat of the PPTP clients. That way, the other end has no 
> problems with the network and you don't have to renumber, on 
> both sides.
> 
> > 
> > I also had this problem a few times at a previous employer 
> (not with 
> > m0n0wall, but the same problem with a Cisco VPN 
> concentrator) and the 
> > solution there was to force the employee to change their settings 
> > because we couldn't renumber our network.  If I run in to it again, 
> > it'd be nice to have a solution other than force one side to change 
> > their set up.
> > 
> With a decent setup, users het their ip through DHCP so the users 
> shouldn't be your problem. The servers, that's what gives you 
> head-aches.
> 
> > Thanks
> > 
> > --
> > Fred Weston
> > DaytonaWAN Networks
> > Ph. 386-673-2514
> > Fax 386-255-2060
> > 
> > 
> > 
> > 
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> 
> Regards,
> 
> Michael
>