Slow Surfing all of Sudden !?
admin at cpcnw.co.uk
Tue Nov 21 12:22:57 PST 2006
On Tue, 21 Nov 2006 19:56:47 -0000, Chuck Swiger <cswiger at 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.
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
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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