RWin Setting and What is it?

  glen2409 22:01 09 Mar 2006


Hoping you can help me. I run XP pro and I have been readin a bit about the RWIN for internet performance.

Could someone tell me the ideal setting and what it is and what the effect is if set too high or too low.


  BigRik 22:16 09 Mar 2006

click here

Read the info, then if you click on "How do I adjust RWIN?" a little further down, you should be able to test your setting, and adjust if necessary, but be sure to read the caution before you do so!

  glen2409 22:28 09 Mar 2006

Thanks for the reply.

I am not sure how you accurately test what your RWIN should be. Established MTU at 1492

  BigRik 23:15 09 Mar 2006

I'm certainly no expert on this, but as long as the test shows the data stream is good I shouldn't imagine anything needs adjusting anyway. I once allowed a utility programme I had "optimize" my connection. If I remember correctly, it increased the MTU to 1500 which for some reason my system didn't like much at all. I changed it back and all was well again.

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