Jan 13, 2010 #1 M musicguy Junior Member level 3 Joined Aug 9, 2009 Messages 30 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 1,462 I would like for iperf it can set the TCP and UDP window size. So do the UDP window size is the correct term to use? Is window size the same meaning as packet size
I would like for iperf it can set the TCP and UDP window size. So do the UDP window size is the correct term to use? Is window size the same meaning as packet size
Jan 13, 2010 #2 FvM Super Moderator Staff member Joined Jan 22, 2008 Messages 53,031 Helped 14,788 Reputation 29,863 Reaction score 14,267 Trophy points 1,393 Location Bochum, Germany Activity points 300,723 UDP has no windows
Jan 13, 2010 #3 S svhb Full Member level 5 Joined Mar 7, 2006 Messages 276 Helped 48 Reputation 96 Reaction score 30 Trophy points 1,308 Activity points 3,026 and it is not the same as packet size (although in some cases it can contain the same number of usable data bytes)
and it is not the same as packet size (although in some cases it can contain the same number of usable data bytes)
Jan 14, 2010 #4 M musicguy Junior Member level 3 Joined Aug 9, 2009 Messages 30 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 1,462 then what is the term to use when if i use for '-w' in the iperf command. example: 'iperf IP address -u -w128k ?
then what is the term to use when if i use for '-w' in the iperf command. example: 'iperf IP address -u -w128k ?
Jan 14, 2010 #5 S svhb Full Member level 5 Joined Mar 7, 2006 Messages 276 Helped 48 Reputation 96 Reaction score 30 Trophy points 1,308 Activity points 3,026 it sets the window size, not the packet size
Jan 26, 2010 #6 C cfant Full Member level 3 Joined Apr 4, 2001 Messages 187 Helped 25 Reputation 50 Reaction score 6 Trophy points 1,298 Location California, USA Activity points 1,153 -w option sets window size for TCP and buffer size for UDP. In general you will get better throughput with UDP with using bigger buffer size (bigger -w xxx size) assuming that your OS supports that.
-w option sets window size for TCP and buffer size for UDP. In general you will get better throughput with UDP with using bigger buffer size (bigger -w xxx size) assuming that your OS supports that.