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Date:      Sun, 30 Dec 2001 20:45:32 +0000
From:      Josef Karthauser <joe@tao.org.uk>
To:        Matthew Dillon <dillon@apollo.backplane.com>
Cc:        Alexander Haderer <alexander.haderer@charite.de>, freebsd-hackers@FreeBSD.ORG
Subject:   Re: FreeBSD performing worse than Linux?
Message-ID:  <20011230204532.A9667@tao.org.uk>
In-Reply-To: <200112302038.fBUKcxx16943@apollo.backplane.com>; from dillon@apollo.backplane.com on Sun, Dec 30, 2001 at 12:38:59PM -0800
References:  <20011130231802.E99520@tao.org.uk> <200111302345.fAUNjLI27798@apollo.backplane.com> <20011228153330.A11251@tao.org.uk> <200112300644.fBU6iVG10959@apollo.backplane.com> <20011230182612.D5642@tao.org.uk> <200112301917.fBUJHdm13120@apollo.backplane.com> <20011230191921.H5642@tao.org.uk> <200112301932.fBUJWYb13201@apollo.backplane.com> <20011230200707.A7332@tao.org.uk> <200112302038.fBUKcxx16943@apollo.backplane.com>

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On Sun, Dec 30, 2001 at 12:38:59PM -0800, Matthew Dillon wrote:

>     Well, the amount of traffic isn't the problem.  You have three hubs,
>     one of them being the Alcatel.  Hmm.  It's within what you are allowed
>     to do with HUBs but I don't trust it.  I would either replace the=20
>     downstairs hub with a switch, or I would do this:

You've misunderstood the topology slightly.  The server has two fxp
interfaces, one is connected to the DSL router, and the other is
connected to a hub which is chained to another hub.

The router is also an unused hub.

>     It would also be a good idea to test the laptop more directly,
>     by connecting the FXP server to a switch and then connecting the
>     laptop directly to the same switch.

I've connected the laptop to the both of the server's fxps, in the first
case using the combinations of the upstairs and downstairs hub, and in
the later case via the hub on the router on the other side.  I get
exactly the same behaviour.  This to me says that it's not the hubs.
To test it further I'll build an ethernet crosser cable and plug the
laptop directly into the server.  That'll settle it.

Joe

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