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Date:      Thu, 16 Sep 1999 18:22:41 +0000
From:      Joao Assad <jfassad@domain.com.br>
To:        David Schwartz <davids@webmaster.com>, freebsd-chat@FreeBSD.ORG
Subject:   Re: off-topic : optic fiber problem
Message-ID:  <37E13571.10E1323E@domain.com.br>
References:  <000001bf0084$e897d190$021d85d1@youwant.to>

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David Schwartz wrote:

>         4Kb is awfully large for an Ethernet packet. It can cause all kinds of
> problems for your network stack. Why not set an MTU of 1500 bytes?
>
>         DS
>

    my MTU is 1500 right now and I still have over 25% of packet loss.


>
> > -----Original Message-----
> > From: owner-freebsd-chat@FreeBSD.ORG
> > [mailto:owner-freebsd-chat@FreeBSD.ORG]On Behalf Of Joao Assad
> > Sent: Thursday, September 16, 1999 10:49 AM
> > To: freebsd-chat@FreeBSD.ORG
> > Subject: off-topic : optic fiber problem
> >
> >
> > Hello all!
> >
> > Im having some problems here trying to connect two  networks with an
> > optic fiber cable...
> > Its a very simple connection....  I have a 400ft optic cable with 1
> > 100-BaseFX to 100-BaseTX
> > trasceiver in each end. then I connect 1 computer in each transceiver
> > and try to send some data...
> > now, whats happening is that little packets go through just fine but
> > when I try to send big
> > packets (like 4kb) I have over 25% packet loss... I'have tryed to send a
> > 10mb file through
> > FTP and ended up with 6kb/sec.
> >
> > any idea about what might be causing that ?
> >
> > thanks a lot.
> >
> > --
> >  _____        _   _       _  _   _
> > |  __ \  ___ | \_/ | ___ (_)| \ | | João Assad
> > | |  \ |/ _ \|  _  |/ _ \| ||  \| | Depto de Operações
> > | |__/ | <_> | | | | <_| | || |\  | ---------PSINet---------
> > |_____/ \___/|_| |_|\__,_|_||_| \_| http://www.domain.com.br
> >
> >
> >
> >
> >
> > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > with "unsubscribe freebsd-chat" in the body of the message
> >

--
 _____        _   _       _  _   _
|  __ \  ___ | \_/ | ___ (_)| \ | | João Assad
| |  \ |/ _ \|  _  |/ _ \| ||  \| | Depto de Operações
| |__/ | <_> | | | | <_| | || |\  | ---------PSINet---------
|_____/ \___/|_| |_|\__,_|_||_| \_| http://www.domain.com.br





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