From owner-freebsd-net@FreeBSD.ORG Thu Oct 16 13:06:04 2003 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B499916A4B3 for ; Thu, 16 Oct 2003 13:06:04 -0700 (PDT) Received: from web41501.mail.yahoo.com (web41501.mail.yahoo.com [66.218.93.84]) by mx1.FreeBSD.org (Postfix) with SMTP id 374A343FE1 for ; Thu, 16 Oct 2003 13:06:04 -0700 (PDT) (envelope-from feapaulo@yahoo.com) Message-ID: <20031016200604.72938.qmail@web41501.mail.yahoo.com> Received: from [208.7.226.189] by web41501.mail.yahoo.com via HTTP; Thu, 16 Oct 2003 13:06:04 PDT Date: Thu, 16 Oct 2003 13:06:04 -0700 (PDT) From: "Fernando A. Paulo" To: freebsd-net@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Subject: Re: Question about bridging code X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Oct 2003 20:06:04 -0000 hi all, this is about the thread regarding the use of a freebsd bridge and tap(4) to change the contents of the frames. the solution proposed in the list was to use: net.link.ether.bridge_cfg=fxp0:0,tap0:0,tap1:1,fxp1:1 then you'd write and application to bridge between clusters 0 and 1. i have a couple of questions, hopefully you can help me: 1) wont the userland bridge kill your application because of all the context-switches and copies? 2) are you using any library to rebuild your frames (crc, etc)? i'm thinking about libnet. i'd be very glad if you could help me with these doubts. thanks, fernando. __________________________________ Do you Yahoo!? The New Yahoo! Shopping - with improved product search http://shopping.yahoo.com