From owner-freebsd-questions@FreeBSD.ORG Tue May 4 08:32:11 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9FB0016A4D0 for ; Tue, 4 May 2004 08:32:11 -0700 (PDT) Received: from internet.potentialtech.com (h-66-167-251-6.phlapafg.covad.net [66.167.251.6]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5C7DC43D49 for ; Tue, 4 May 2004 08:32:11 -0700 (PDT) (envelope-from wmoran@potentialtech.com) Received: from potentialtech.com (pa-plum1c-102.pit.adelphia.net [24.53.179.102]) by internet.potentialtech.com (Postfix) with ESMTP id E8C0369A71; Tue, 4 May 2004 11:32:08 -0400 (EDT) Message-ID: <4097B732.90005@potentialtech.com> Date: Tue, 04 May 2004 11:30:58 -0400 From: Bill Moran User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.6) Gecko/20040422 X-Accept-Language: en-us, en MIME-Version: 1.0 To: "J.D. Bronson" References: <6.1.0.6.2.20040504071343.024331b8@localhost> <200405040635.03640.kstewart@owt.com> <6.1.0.6.2.20040504091427.02457290@localhost> <200405040724.09537.kstewart@owt.com> <6.1.0.6.2.20040504092942.0245ebe0@localhost> <4097AD72.70403@potentialtech.com> <6.1.0.6.2.20040504100337.0245c7f0@localhost> In-Reply-To: <6.1.0.6.2.20040504100337.0245c7f0@localhost> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: freebsd-questions@freebsd.org Subject: Re: arp issues...but WHY X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 May 2004 15:32:11 -0000 J.D. Bronson wrote: > At 09:49 AM 05/04/2004, Bill Moran wrote: > >>> Then how do I get data from one segment to the other w/o using a >>> router and yet at the same time keeping 'arp' happy ? >> >> >> You don't. That's what a router does. If you want to move data between >> two different networks you either need a router, or you need to cheat >> (like >> you currently are) and just ignore the arp messages. >> >> You can just turn on forwarding on the BSD machine with the two NICs >> and it >> will act as a router for you. > > Thanks again for all the time for explanations. > Since everything works fine the way it is (with the arp mesgs I can turn > off with systcl and hence solve that) would there be any benefit for > turning on forwarding > or just leaving things as they are? If you leave both NICs plugged into the same switch, do NOT turn on forwarding, or you get duplicates of every packet! You'll only need forwarding if you move one of the subnets to its own leg. -- Bill Moran Potential Technologies http://www.potentialtech.com