From owner-freebsd-questions@FreeBSD.ORG Tue Nov 21 20:22:57 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 38CAC16A47C for ; Tue, 21 Nov 2006 20:22:57 +0000 (UTC) (envelope-from admin@cpcnw.co.uk) Received: from ptb-relay03.plus.net (ptb-relay03.plus.net [212.159.14.214]) by mx1.FreeBSD.org (Postfix) with ESMTP id 15C6443E9F for ; Tue, 21 Nov 2006 20:19:13 +0000 (GMT) (envelope-from admin@cpcnw.co.uk) Received: from [81.174.174.115] (helo=localhost.cpcnw.co.uk) by ptb-relay03.plus.net with esmtp (Exim) id 1Gmc5X-00085b-SI; Tue, 21 Nov 2006 20:19:29 +0000 Date: Tue, 21 Nov 2006 20:19:43 -0000 To: "Chuck Swiger" From: "Graham Bentley" Organization: Custom PC North West Content-Type: text/plain; format=flowed; delsp=yes; charset=us-ascii MIME-Version: 1.0 References: <20061121120050.01E5C16A4D4@hub.freebsd.org> <456359FF.8050602@mac.com> Content-Transfer-Encoding: 7bit Message-ID: In-Reply-To: <456359FF.8050602@mac.com> User-Agent: Opera Mail/9.02 (FreeBSD) Cc: freebsd-questions@freebsd.org Subject: Re: Slow Surfing all of Sudden !? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 21 Nov 2006 20:22:57 -0000 On Tue, 21 Nov 2006 19:56:47 -0000, Chuck Swiger wrote: > Graham Bentley wrote: > [ ... ] >> Looking at my router lights there seems to be a delay after pressing >> enter (after typing the URL) then ... some seconds later the page comes >> streaming in. Its odd because I noticed this exact behaviour some >> months ago when I tried out PCBSD. >> Everything starts of nice and quick as far as browsing the web >> is concerned then after some time / event ? this delay gets >> introduced ? >> How would I go about trying to figure out what is causing this effect ? > > Run "tcpdump not port 80", and pay especial attention to the packets > which are sent just before you notice these pauses. > > In general, it's probably a DNS lookup issue; you might find that > disabling IPv6 lookups (unless you use IPv6) or running a local copy of > bind with the -4 flag will help. > Chuck, Thanks, tcpdump is cool :) I can see use of my isp dns etc. Very oddly things have speeded up again at some point this afternoon ? Perhaps, its not 'my fault' and the isp are up to something ? Anyway, its nice and snappy again so sorry for the noise (I learnt something though - Tnx!) Any tips for fine tuning tcp over adsl ? BTW - I compiled ipv6 out of my kernel - did I do bad ? BTW2 - Is it worth configuring Bind for local use on a single box ? Even from an educational viewpoint ?