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Old 11-23-2005, 01:00 PM   #1
chil326
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Registered: Jul 2004
Location: Paris, France
Distribution: mandriva LE 2005
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bandwith lower with linux than windows xp

hi
i live in france and i use alice provider.
i noticed, using many bandwith testers on the web that my bandwith has passed under linux from 6 Mbps to 1 Mbps for some weeks now.
but i tried under windows xp and my bandwith is still of 6 Mbps.
any idea?
 
Old 11-24-2005, 07:27 AM   #2
slantoflight
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Bandwidth testers online don't always give the best results. Theres a chance that theres a service on linux that could interefere.
 
Old 11-24-2005, 07:35 AM   #3
TruongAn
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Don't beleive in that number.
Try to make a test yourself.
Download something and compare the result in linux and window
 
Old 11-24-2005, 12:14 PM   #4
chil326
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correct..the problem comes from the bandwith testers
thanks
 
Old 11-24-2005, 03:00 PM   #5
chil326
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in fact i tested it again tonight...on the same server dedicated for test download.
i downloaded a big file under windows xp and reached 850 Ko/s.
just after, i rebooted under linux mandriva 2005 and reached 130 Ko/s !!!!
i don't think it comes from the provider as it is connected through an ethernet router with adsl.
please help...
i tried to change the driver and installed the nforce2 driver from the nvidia website but it doesn't change anything.
Last edited by chil326; 11-24-2005 at 03:18 PM.
 
Old 11-25-2005, 12:08 AM   #6
abhijeetudas
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Registered: Sep 2004
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If your ethernet card as a driver for linux download & install that..

It is quite possible that you are using emulated drivers which directly do not take advantage
of the Ethernet card features but instead add a layer of abstraction in between them making it slower.


-Also check if you have iptables running on the linux box making it a bit slower ..
& disable any uneeded services..!
 
Old 11-25-2005, 01:51 AM   #7
chil326
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i started and stopped shorewall and noticed that i had ip forwarding enabled in both cases.
maybe it's the reason?
how to disable it?
in fact i don't know what is "ip forwarding" but i'm looking for an explanation of my bandwith problem
thanks
Last edited by chil326; 11-25-2005 at 02:05 AM.
 
Old 11-27-2005, 12:52 PM   #8
chil326
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Registered: Jul 2004
Location: Paris, France
Distribution: mandriva LE 2005
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hi
i tried :
- disabling shorewall ; doesnt solve the problem
- change the ethernet driver (open source "forcedeth", nvidia one "nvnet") : doesnt' solve
-disabling ip forwarding : doesn't solve
-tried under live cd knoppix : doesn't solve
-change the ethernet cable, ethernet port on the router : doesn't solve
-passed on 10 Mbit/s with the mii-tool : doesn't solve
i also removed any services that i could
don't know what to do now...
 
  


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