From owner-freebsd-isp@FreeBSD.ORG Wed May 26 07:59:50 2004 Return-Path: Delivered-To: freebsd-isp@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9576416A4CE for ; Wed, 26 May 2004 07:59:50 -0700 (PDT) Received: from mail.sandvine.com (sandvine.com [199.243.201.138]) by mx1.FreeBSD.org (Postfix) with ESMTP id 117F343D39 for ; Wed, 26 May 2004 07:59:50 -0700 (PDT) (envelope-from don@sandvine.com) Received: by mail.sandvine.com with Internet Mail Service (5.5.2657.72) id ; Wed, 26 May 2004 10:59:08 -0400 Message-ID: From: Don Bowman To: 'Chris Cook' , 'Eric Anderson' , 'Emre Bastuz' Date: Wed, 26 May 2004 10:59:04 -0400 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2657.72) Content-Type: text/plain; charset="iso-8859-1" cc: freebsd-isp@freebsd.org Subject: RE: 2 adsl connections load balancing with natd/ipfw X-BeenThere: freebsd-isp@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Internet Services Providers List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 26 May 2004 14:59:50 -0000 From: Chris Cook [mailto:ccook@arkansasdoc.com] > Yes, but you will not be able to load balance incoming > connections, only > outbound requests, and the packets would not be evenly > distributed as in a > true load balancing scenario. > ... incoming connections can be roughly balanced with DNS round robin. The outgoing ones, although not really load balanced, just spread, is still pretty good. Its not perfect, but it does work. The biggest wart is that individual TCP sessions are bound to an interface rather than individual source IP's. I don't know how to solve that. --don