From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?ISO-8859-1?Q?Thomas_B=E4tzler?= Subject: Re: passing data transparently Date: Sun, 26 Feb 2012 19:36:06 +0100 Message-ID: <4F4A7B96.30506@bringe.com> References: <20120226180356.GA25431@scriptkitchen.com> Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <20120226180356.GA25431@scriptkitchen.com> Sender: netfilter-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="iso-8859-1"; format="flowed" To: netfilter@vger.kernel.org Cc: Payal Am 26.02.2012 19:03, schrieb Payal: > Hi all, > I am helping a friend with this setup. They have a device which has a > fixed ip (say 1.2.3.4) which talks with its software running on > MS-Windows which must be physically connected to it and must have a > specific IP (say 1.2.3.5) only. Now it happens that the laptop runnin= g > that software is in a branch office so physical connection is not > possible. So, we have thought of, > > Device(1.2.3.4)<-->(1.2.3.5)Linux(ext add.)<-->INTERNET<-->(ext. > add.)Linux2(1.2.3.4)<-->(1.2.3.5)MS-Win Laptop > Have you thought about using a site-to-site ethernet bridge over an=20 OpenVPN tunnel? It also helps to protect your privacy with regard to the data passend=20 netween laptop and device. See=20 http://www.openvpn.net/index.php/open-source/documentation/miscellaneou= s/76-ethernet-bridging.html=20 for a starting point. HTH, Thomas MfG, Thomas B=E4tzler --=20 BRINGE Informationstechnik GmbH Zur Seeplatte 12 D-76228 Karlsruhe Germany =46on: +49 721 94246-0 =46on: +49 171 5438457 =46ax: +49 721 94246-66 Web: http://www.bringe.de/ Gesch=E4ftsf=FChrer: Dipl.-Ing. (FH) Martin Bringe Ust.Id: DE812936645, HRB 108943 Mannheim