RE: benchmarking eth card

Trenton D. Adams (adamst@telusplanet.net)
Mon, 16 Aug 1999 10:26:01 -0600

I have a 10Mbps connection to my Linux system, and I got over 900K per
second. I think there must be something seriously wrong with your setup!
900k per second on 10Mbps is about 75% efficiency and is very good. We had
a 10/100 Mbps hub at the last place I worked that displayed network usage,
and when transferring system images over the network (100Mbps), it took
about 3 machines to bring the connection usage up to 80%. So your
connection is at about 16% efficiency which is a fair bit below what it
should be. I think 10Mbps cards have a better efficiency though which would
be why mine was at 75% efficiency.

-----Original Message-----
From: owner-linux-net@vger.rutgers.edu
[mailto:owner-linux-net@vger.rutgers.edu] On Behalf Of Erico Freitas
Sent: August 13, 1999 12:54 PM
To: linux-net@vger.rutgers.edu
Subject: benchmarking eth card

Hello,

I have another question for this list. I have two computers connected,
this Linux 2.2.10 box and a Win95 thing via two identical 10/100Mbps Lynksys
cards (the linux is using the tulip driver from the manufacturer's web
site).

I've connected them together using a cross-over cable (it used to be a
straight through cable that I crossed over). I know I should have a hub but
I
don't have money for a 100Mpbs hub at the time.

I tested the speed of the link by using Netscape to download a file from
the Linux machine (running Apache) to the Win95 machine (The file was the
X11
directory tarred) and the speed of the link peaked at 1.6M/s.

Is this the expected throuput for such a configuration? Would I benefit
from having the computers connected to a hub? Or even from buying a
premanufactured cross-over cable?

Any suggestions welcomed :)
Thanks,
--Erico.

Please keep your hands off the secretary's reproducing equipment.

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