Actual window sized used

To: <iperf-users --at-- dast.nlanr.net>
Subject: Actual window sized used
From: "Chris McFarling" <cmcfarling_lists --at-- pacificpremedia.com>
Date: Fri, 9 Sep 2005 11:27:31 -0500
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Do TCP window parameter settings in the OS affect the window size used by
iperf? For example, if I make the following registry edits in Win2K:

  GlobalMaxTcpWindowSize=17520
  Tcp1323Opts=1
  TcpWindowSize=17520

and the start iperf with the following:

iperf -s -w 65700


will iperf use a 65700 byte window or will it use a 17520 window? It reports
that is using a window size of 64K but I just want to verify that what it's
reporting is actually true.

Thanks

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