From owner-freebsd-net@FreeBSD.ORG Thu Sep 18 07:17:54 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 ED46116A4B3 for ; Thu, 18 Sep 2003 07:17:54 -0700 (PDT) Received: from tenebras.com (blade.tenebras.com [66.92.188.175]) by mx1.FreeBSD.org (Postfix) with SMTP id 483C843FB1 for ; Thu, 18 Sep 2003 07:17:54 -0700 (PDT) (envelope-from kudzu@tenebras.com) Received: (qmail 80124 invoked from network); 18 Sep 2003 14:17:54 -0000 Received: from sapphire.tenebras.com (HELO tenebras.com) (192.168.188.241) by laptop.tenebras.com with SMTP; 18 Sep 2003 14:17:54 -0000 Message-ID: <3F69BE91.7080604@tenebras.com> Date: Thu, 18 Sep 2003 07:17:53 -0700 From: Michael Sierchio User-Agent: Mozilla/5.0 (X11; U; Linux i386; en-US; rv:1.4) Gecko/20030624 X-Accept-Language: en-us, zh-tw, zh-cn, fr, en, de-de MIME-Version: 1.0 To: freebsd-net@freebsd.org References: <20030917182850.Q52432-100000@mail.econolodgetulsa.com> In-Reply-To: <20030917182850.Q52432-100000@mail.econolodgetulsa.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: I would like to tcpdump and get all the packets... 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, 18 Sep 2003 14:17:55 -0000 Josh Brooks wrote: > Whenever I run: > > tcpdump -vvv > > when I am finished, I am surprised to see: > > 27441 packets received by filter > 7866 packets dropped by kernel The time it takes to resolve host names, probably, and the additional burden of writing the service names, where known, etc. Try tcpdump -vvv -n or tcpdump -vvv -ln