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Date:      Tue, 10 Jul 2007 13:35:44 -0500
From:      Josh Paetzel <josh@tcbug.org>
To:        freebsd-questions@freebsd.org
Cc:        kyrreny@broadpark.no
Subject:   Re: Help! FreeBSD: 88.78 KBps, Linux: 624.95 KBps
Message-ID:  <200707101335.47020.josh@tcbug.org>
In-Reply-To: <200707101908.10943.Thomas.Sparrevohn@btinternet.com>
References:  <469393CC.9070802@broadpark.no> <499c70c0707100902r6fde0832j8bd37d6e37512e48@mail.gmail.com> <200707101908.10943.Thomas.Sparrevohn@btinternet.com>

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On Tuesday 10 July 2007, Thomas Sparrevohn wrote:
> On Tuesday 10 July 2007 17:02:46 Abdullah Ibn Hamad Al-Marri wrote:
> > On 7/10/07, Kyrre Nyg=E5rd <kyrreny@broadpark.no> wrote:
> > > Hello.
> > >
> > > My friend is switching to Linux because FreeBSD is failing on
> > > him.
> > >
> > > When downloading a file from a FreeBSD box and a Linux box on
> > > the same network, the FreeBSD box got 88.78 KBps whereas the
> > > Linux got 624.95 Kbps. I have no idea what's wrong, but my man
> > > isn't really into good information design (e.g. taking
> > > something complex and making it easy), so his system is a mess.
> > > Maybe some of you can help me locate where the problem's at?
> > >
> > > Thanks guys,
> > > Kyrre
> >
> > Could you please show the uname -a info?
>
> It could be at his router does not understand the RFC1323
> extensions - try setting
>
> tcp_extensions=3D"NO"
>
> In rc.conf

I think the first thing I would do is go back to a default=20
configuration.  Turn off pf, take out all of the sysctls and see what=20
happens.  Then start adding things in one at a time until you find=20
what breaks it.  It doesn't take much to do 625K/sec, the default=20
configuration is easily capable of 30 times that.  My guess is that=20
either one of the sysctl 'tunings' has broken something, or an=20
interaction between two or more of them has caused an unexpected=20
behavior, but that's an easy enough theory to test.


=2D-=20
Thanks,

Josh Paetzel

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