From owner-freebsd-net@FreeBSD.ORG Sat Dec 8 11:04:00 2007 Return-Path: Delivered-To: freebsd-net@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B530416A417 for ; Sat, 8 Dec 2007 11:04:00 +0000 (UTC) (envelope-from peter@alastria.net) Received: from nebula.thdo.uk.alastria.net (unknown [IPv6:2001:ba8:0:1f0::5]) by mx1.freebsd.org (Postfix) with ESMTP id 553D413C447 for ; Sat, 8 Dec 2007 11:04:00 +0000 (UTC) (envelope-from peter@alastria.net) Received: from [10.10.4.10] (dragon.lancs.uk.alastria.net [88.96.139.34]) (authenticated bits=0) by nebula.thdo.uk.alastria.net (8.13.3/8.13.3) with ESMTP id lB8B4Cr6084515 for ; Sat, 8 Dec 2007 11:04:12 GMT (envelope-from peter@alastria.net) Message-ID: <475A7A1A.9030002@alastria.net> Date: Sat, 08 Dec 2007 11:03:54 +0000 From: Peter Wood Organization: Alastria Networks Limited User-Agent: Thunderbird 2.0.0.9 (Windows/20071031) MIME-Version: 1.0 To: freebsd-net@FreeBSD.org References: <4755EFDD.8070609@isc.org> <20071205021851.V87930@fledge.watson.org> <20071205093244.U87930@fledge.watson.org> <20071205094657.P87930@fledge.watson.org> <475A735F.8000907@alastria.net> <20071208104110.GB75826@heff.fud.org.nz> In-Reply-To: <20071208104110.GB75826@heff.fud.org.nz> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Flag: NO X-Virus-Status: No X-Spam-Score: 0.137 () RCVD_IN_SORBS_DUL X-Spam-Ultra-Flag: NO X-Spam-Low-Flag: NO X-Spam-Flag: NO X-Spam-High-Flag: NO X-Scanned-By: MIMEDefang 2.51 on 212.13.198.8 Cc: Subject: Re: Aggregating many ports into one for tcpdump server. (also sampling before libpcap) X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 08 Dec 2007 11:04:00 -0000 > Thats why you combine if_bridge with monitor mode, any incoming packets > are discarded after bpf processing so they are never sent to opposing > devices. Aha, using monitor mode hadn't occured to me, based on previous discussion I was going to do more research on Monday, but thanks Andrew you've saved me the effort :). P. -- Peter Wood