[NTLUG:Discuss] How to change receive window size in most any Linux distro?

Stephen Davidson gorky at freenet.carleton.ca
Mon Jun 1 17:00:05 CDT 2009


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David Stanaway wrote:
> I found this pretty quickly
> 
> http://fasterdata.es.net/TCP-tuning/linux.html
> 
> Google for: linux high speed tcp tuning
> 
> Wayne Dahl wrote:
>> Hi all...
>>
>> This is a rather generic question...how do you change the TCP/IP 
>> receive window in Linux?  Does it depend on the distro?  The reason 
>> I'm asking, while I don't HAVE Verizon FiOS, my customers do and some 
>> of them are running Linux.  To take full advantage of the speed from 
>> the fiber connection, we need the RWIN to be over a million.
>>
>> I have googled and googled this and haven't found ANYTHING...maybe I'm 
>> not asking the right question of Google.  Any directions?
>>

http://www.psc.edu/networking/projects/tcptune/#Linux

Is manual tuning still required for the newer kernels/distros?

Regards,
Steve
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