From owner-freebsd-isp@FreeBSD.ORG Sun Sep 11 13:51:49 2005 Return-Path: X-Original-To: freebsd-isp@freebsd.org 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 9239116A41F for ; Sun, 11 Sep 2005 13:51:49 +0000 (GMT) (envelope-from cswiger@mac.com) Received: from vms040pub.verizon.net (vms040pub.verizon.net [206.46.252.40]) by mx1.FreeBSD.org (Postfix) with ESMTP id 47D0D43D4C for ; Sun, 11 Sep 2005 13:51:49 +0000 (GMT) (envelope-from cswiger@mac.com) Received: from [192.168.1.3] ([68.161.79.217]) by vms040.mailsrvcs.net (Sun Java System Messaging Server 6.2 HotFix 0.04 (built Dec 24 2004)) with ESMTPA id <0IMN00FQINUA2DTE@vms040.mailsrvcs.net> for freebsd-isp@freebsd.org; Sun, 11 Sep 2005 08:51:47 -0500 (CDT) Date: Sun, 11 Sep 2005 09:51:51 -0400 From: Chuck Swiger In-reply-to: <18f601940509110230242e8bfc@mail.gmail.com> To: aaron.glenn@gmail.com Message-id: <43243677.6020707@mac.com> Organization: The Courts of Chaos MIME-version: 1.0 Content-type: text/plain; charset=us-ascii; format=flowed Content-transfer-encoding: 7bit X-Accept-Language: en-us, en References: <4322FDC4.8010609@mac.com> <18f601940509110230242e8bfc@mail.gmail.com> User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.11) Gecko/20050801 Cc: freebsd-isp@freebsd.org Subject: Re: VLAN interfaces on FreeBSD; performance issues X-BeenThere: freebsd-isp@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Internet Services Providers List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 11 Sep 2005 13:51:49 -0000 Aaron Glenn wrote: > On 9/10/05, Chuck Swiger wrote: >> You cannot truthfully multihome a machine with a single NIC. > > Why not? Because you cannot put one NIC into two genuinely distinct layer-2 collision domains. Spanning Tree Protocol won't recognize a single NIC as a potential connection or loop, depending. -- -Chuck