From owner-freebsd-net@FreeBSD.ORG Fri Mar 24 22:46:39 2006 Return-Path: X-Original-To: freebsd-net@freebsd.org 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 5950F16A401 for ; Fri, 24 Mar 2006 22:46:39 +0000 (UTC) (envelope-from paul.haddad@gmail.com) Received: from zproxy.gmail.com (zproxy.gmail.com [64.233.162.193]) by mx1.FreeBSD.org (Postfix) with ESMTP id 02A3B43D5D for ; Fri, 24 Mar 2006 22:46:34 +0000 (GMT) (envelope-from paul.haddad@gmail.com) Received: by zproxy.gmail.com with SMTP id z3so892352nzf for ; Fri, 24 Mar 2006 14:46:34 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=rJY7e000HXnIy6tnguSO8xkPLRuWNzO3VkH3MYS+/o4Pc7L5TdE/TVlbozNTreXV95a64gJ6F/CkfcF/w+51s2Q9JvbBIqQXxUG/VGuMxraIROCGzIG5ulhu6bnqQlcpUjsvi/srXuuBpGHK0hHjVLo+B4kHU4ythBBoTfN94oA= Received: by 10.35.131.4 with SMTP id i4mr469478pyn; Fri, 24 Mar 2006 14:46:33 -0800 (PST) Received: by 10.35.107.1 with HTTP; Fri, 24 Mar 2006 14:46:33 -0800 (PST) Message-ID: <944074f30603241446i33f5eb26p187b2d7ff23d73de@mail.gmail.com> Date: Fri, 24 Mar 2006 16:46:33 -0600 From: "Paul Haddad" To: freebsd-net@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Subject: Non dropping packet monitor 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: Fri, 24 Mar 2006 22:46:39 -0000 Hi All, I need to monitor packets flowing in/out of a freebsd 6.x box in a tcpdump/pcap (monitor only) style but I can't have packets dropped as tcpdump often does when its buffer fills up. I'm fine if the entire network connection slows down because of this, the important thing is that I can get access to each and every packet on a given interface. Any suggestions? Is there some pcap option that I need to look at? -- Paul Haddad (paul.haddad@gmail.com paul@pth.com)