Date: Tue, 21 Nov 2006 20:19:43 -0000 From: "Graham Bentley" <admin@cpcnw.co.uk> To: "Chuck Swiger" <cswiger@mac.com> Cc: freebsd-questions@freebsd.org Subject: Re: Slow Surfing all of Sudden !? Message-ID: <op.tjduq5l6t4j7n6@localhost.cpcnw.co.uk> In-Reply-To: <456359FF.8050602@mac.com> References: <20061121120050.01E5C16A4D4@hub.freebsd.org> <op.tjc8z0z1t4j7n6@localhost.cpcnw.co.uk> <456359FF.8050602@mac.com>
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On Tue, 21 Nov 2006 19:56:47 -0000, Chuck Swiger <cswiger@mac.com> 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 ?
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