From owner-freebsd-questions@FreeBSD.ORG Sun Oct 9 16:24:31 2011 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 98CE0106566B for ; Sun, 9 Oct 2011 16:24:31 +0000 (UTC) (envelope-from jbiquez@intranet.com.mx) Received: from intranet.com.mx (intranet.com.mx [200.33.246.7]) by mx1.freebsd.org (Postfix) with ESMTP id 1AF5A8FC0A for ; Sun, 9 Oct 2011 16:24:30 +0000 (UTC) Received: from PC2.intranet.com.mx (189.144.47.109) by intranet.com.mx with ESMTP (EIMS X 3.3.9) for ; Sun, 9 Oct 2011 11:11:10 -0500 X-Mailer: QUALCOMM Windows Eudora Version 7.1.0.9 Date: Sun, 09 Oct 2011 11:10:07 -0500 To: freebsd-questions@freebsd.org From: Jorge Biquez In-Reply-To: <4E9187AC.6000006@infracaninophile.co.uk> References: <4E9187AC.6000006@infracaninophile.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Message-ID: <3401021471-106896244@intranet.com.mx> Subject: Re: two networks in one server? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 09 Oct 2011 16:24:31 -0000 Hello all. Another solution I have seen some clients use... a router that accepts different ISP's in this case ADSL. The equipment does the job and integrates all the internet services so the internal network see them as only one). I guess there are equipments of 24-8 and 16 connections. I hope this helps. At 06:38 a.m. 09/10/2011, Matthew Seaman wrote: >On 09/10/2011 10:36, pepe wrote: > > I'm just asking before trying if it possible to use two network uplinks in > > one server so other would be just backup way in? > > I have currently connection from two ISPs and server is up with one > > connection. Is it possible to add another nic and wire that to connection > > from another isp? So isp 1 would be in normal use in/out, but isp > 2 could be > > used connecting in? > >This is a very commonly asked question around the Internet. > >The answer is -- it's a lot harder to do properly than you might think. > Requires understanding Internet routing protocols like BGP and you will >need the cooperation of both ISPs to make it all work. > >However there is a "light" version which might work for you. Keywords >here are "policy based routing." In this case you can use firewall >software to forward packets by an alternate gateway. This only affects >the outward path from your system: no good at all if all the incoming >traffic is using an uplink that fails, but you can use it to load >balance across multiple links. > > Cheers, > > Matthew > >-- >Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard > Flat 3 >PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate >JID: matthew@infracaninophile.co.uk Kent, CT11 9PW > >