RE: Actual window sized used

["McConnell Andrew (CDI)" <Andrew.McConnell --at-- thomson.net>]

Whatever window size you set on iperf's command line will override the
OS setting. If you don't specify a window using -w then iperf will use
the window size your OS specifies.

--Andy


-----Original Message-----
From: owner-iperf-users --at-- dast.nlanr.net
[mailto:owner-iperf-users --at-- dast.nlanr.net] On Behalf Of Chris McFarling
Sent: Friday, September 09, 2005 11:28 AM
To: iperf-users --at-- dast.nlanr.net
Subject: Actual window sized used

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