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-   -   increasing TCP window size (https://www.linuxquestions.org/questions/linux-networking-3/increasing-tcp-window-size-532916/)

linux_mando 02-27-2007 08:58 AM
increasing TCP window size
 
Hi, I have a HSDPA pcmcia card which is working fine with the debian on my laptop. When i download any stuff from internet i usually get window size of upto 32K. I found on the net that that the receive window size of 64K gives best performance with 3.6Mb/s throughput speeds. I have 2.6.14.7 kernel.
Does anyone know how i could increase it to 64K?

Do i have to change any ppp settings which could increase this size?

Thanks in advance !

Emerson 02-27-2007 09:49 AM
A quick Google brought up this:

http://lwn.net/Articles/92727/

unSpawn 02-27-2007 09:56 AM
If tcp_moderate_rcvbuf is set then there's nothing to tweak IIGC, see http://www.psc.edu/networking/projects/tcptune/#Linux.


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