Date: Mon, 9 May 2005 09:00:07 -1000 From: Clifton Royston <cliftonr@tikitechnologies.com> To: Sergiu - IT <sergiu.study@acasa.ro> Cc: questions@freebsd.org Subject: Re: Low bandwidth Message-ID: <20050509190006.GA2626@tikitechnologies.com> In-Reply-To: <427F89CE.7070600@acasa.ro> References: <427F89CE.7070600@acasa.ro>
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On Mon, May 09, 2005 at 07:03:26PM +0300, Sergiu - IT wrote:
> Hi, guys !
> I have a small network at home and I noticed something curious... When I
> try to copy from one computer to another (the transfer is made through
> the server - without a switch), the bandwidth is very low, about 2Mb/s.
> Does anyone know why ? Another thing is that the bandwidth from the
> server or from one of the "home" computers to the "outside" LAN is very
> low too, about 700Kb/s up to 1.5Mb/s. Does anyone know why is that ?
> Here is what ifconfig shows me :
My axiom with regard to Ethernet is "Autodetect doesn't."
I notice your connected cards are all showing 100/Full duplex. I
suspect the other sides of your connections think they have negotiated
half duplex. A duplex mismatch on 100BaseT will often end up giving
you around 1-3 Mb/s actual throughput after all the packet collisions.
Try using ifconfig to fix speeds on *both* ends of each connection to
100/FD, then see what happens to the throughput. The xl and fxp
drivers are both very reasonable drivers/cards, so assuming your wiring
is solidly connected cat 5, you should get great throughput.
-- Clifton
--
Clifton Royston -- cliftonr@tikitechnologies.com
Tiki Technologies Lead Programmer/Software Architect
"I'm gonna tell my son to grow up pretty as the grass is green
And whip-smart as the English Channel's wide..."
-- 'Whip-Smart', Liz Phair
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