--- On Sat, 2/6/10, Claudio Jeker <cjeker@diehard.n-r-g.com> wrote:

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> From:
Claudio Jeker <cjeker@diehard.n-r-g.com>
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> Subject: Re: Download rate and
sysctl settings
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> To: misc@openbsd.org
> Received: Saturday, February 6, 2010,
9:12 AM
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> On Sat, Feb 06, 2010 at 01:27:12PM
> +0100, Sebastiano Pomata wrote:
> > Il 06/02/10 03:55, Stuart Henderson ha scritto:
> > >> I really can
understand this, for the sake of
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> system portability and so
> > >> on.
Anyway, I really hardly understand why,
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> without touching any of the
> > >>
default settings, download rate from every
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> server would never overcome
> >
>> the value of 400 kB/s. Is it all due to the
> tcp windows size?
> > > 
> >
> Yes.
> > > 
> > 
> > Thank you for the clear answer. Anyway, trying to act
>
on tcp.sendspace
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> > isn't affecting the upload capabilities of my OpenBSD
>
server.
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> > I tried downloading a file through httpd, via ftp but
> results
are
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> > still disappointing: 60-70 kbps between two boxes on
> the same
switch.
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> > 
> > The box is going to become a webserver, could you
> please
give me more
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> > hints about tuning network performance?
> > 
> 
> Check your
links. This sounds like a full-duplex issue
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> between switch and
> machines.
On a LAN even with default tcp send/recvspace you
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> should get
> easily get up
to 200Mbps.
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> 
> -- 
> :wq Claudio
> 
> 

If the firewall is on try turning it
off or go to a very simple rule set.  Perhaps there is a problem with your
filtering rules and not the network settings.

---
James A. Peltier
james_a_peltier@yahoo.ca
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