Hi Latency Sat Internet Connection and tcp/ip settings

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2 total messages Started by Todd B Thu, 06 Mar 2003 16:01

#328

Author: Todd B
Date: Thu, 06 Mar 2003 16:01

56 lines
3164 bytes

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I am looking for some assistance on tweaking a Linux (redhat 7.3 & 8)
client for better performance.  I have a W2K box that connects to my
Direcway (2-way) dish.  Over the past couple days, I have done some
speed tests (www.pcpitstop.com) on both machines and I am seeing
1500ish Kb/s on my W2K, and 500ish Kb/s on my Redhat box.

I have my Redhat box tweaked as outlined in:
http://www.dslreports.com/faq/satellite/all#4554, plus I have tried
many different variations of these settings.  Nothing seems to change
the download speed on my Linux box.

Any ideas?

Thanks,

Chris
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<DIV>I am looking for some assistance on tweaking a Linux (redhat 7.3 =
&amp;=20
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my<BR>Direcway (2-way) dish.&nbsp; Over the past couple days, I have =
done=20
some<BR>speed tests (<A =
href=3D"http://www.pcpitstop.com">www.pcpitstop.com</A>)=20
on both machines and I am seeing<BR>1500ish Kb/s on my W2K, and 500ish =
Kb/s on=20
my Redhat box.<BR><BR>I have my Redhat box tweaked as outlined in:<BR><A =

href=3D"http://www.dslreports.com/faq/satellite/all#4554">http://www.dslr=
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plus I have tried<BR>many different variations of these settings.&nbsp; =
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seems to change<BR>the download speed on my Linux box.<BR><BR>Any=20
ideas?<BR><BR>Thanks,<BR><BR>Chris</DIV></BODY></HTML>

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Re: Hi Latency Sat Internet Connection and tcp/ip settings

#330

Author: Gius
Date: Mon, 10 Mar 2003 15:46

27 lines
2082 bytes

Todd B wrote:
> I am looking for some assistance on tweaking a Linux (redhat 7.3 & 8)
> client for better performance.  I have a W2K box that connects to my
> Direcway (2-way) dish.  Over the past couple days, I have done some
> speed tests (www.pcpitstop.com <http://www.pcpitstop.com>) on both 
> machines and I am seeing
> 1500ish Kb/s on my W2K, and 500ish Kb/s on my Redhat box.
> 
> I have my Redhat box tweaked as outlined in:
> http://www.dslreports.com/faq/satellite/all#4554, plus I have tried
> many different variations of these settings.  Nothing seems to change
> the download speed on my Linux box.
> 
> Any ideas?
> 
> Thanks,
> 
> Chris
Hi todd,
try to modify the windows size of tcp stack in 
/proc/sys/net/ipv4/tcp_wmem, search with google
the documentation!
when i find the appropriate documentation, i send you another mail...
bye
peppe

ps. sorry for my bad english

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