How do I max a 6Mbps link

[Thomas T. Veldhouse]

The problem is probably file I/O.  I use samba for use with Windows.  I can
transfer a large file from my FreeBSD server and get almost 10MB/s (using an
Intel 10/100 card).  However, when I transfer files to FreeBSD, I only get
about 6MB/s.  I seem to get this same ratio when using FTP transfers as
well.  This leads me to believe it is I/O bound (my FreeBSD machine has a
UDMA66, mainboard limitted to UDMA33,  7200RPM drive in it running
softupdates).  BTW -- this is one area where Linux (w / reiserfs) kicks the
FreeBSD daemon all over town.

Tom Veldhouse

----- Original Message -----
From: "Simon" <simon at optinet.com>
To: <freebsd-isp at freebsd.org>; <freebsd-questions at freebsd.org>; "Max Clark"
<max.clark at media.net>
Sent: Wednesday, July 09, 2003 12:19 PM
Subject: Re: How do I max a 6Mbps link


>
> Sounds like you have a problem with your server/network hardware or
> firewall/proftpd settings. FreeBSD out of the box on low-end Intel
hardware
> can  easily sustain 6mbps link, which is roughly 3megs/sec. Make sure
> your harddrive on receiving end can write at least this fast and your
network
> is capable of such transfers. Sometimes faulty switches/cable wires can
> cause packet loss/delays, causing a bottleneck. It could be a number of
> things, but I would start with testing your network.
>
> -Simon
>
> On Wed, 9 Jul 2003 10:12:03 -0700, Max Clark wrote:
>
> >Hi all,
> >
> >What configuration changes do I need to make to two freebsd-stable boxes
to
> >fully max out a 6Mbps/220ms network link? This is for bulk 500+MB file
> >transfers.
> >
> >The target application is proftpd with ncftpd as the client.
> >
> >Thanks in advance,
> >Max
> >
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>
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