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Date: Sat, 27 Sep 2008 11:12:37 +0300
From: Danny Braniss <danny@cs.huji.ac.il>
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Cc: David Malone <dwmalone@maths.tcd.ie>, freebsd-hackers@FreeBSD.org,
	Jeremy Chadwick <koitsu@FreeBSD.org>, freebsd-stable@FreeBSD.org
Subject: Re: bad NFS/UDP performance 
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> --==_Exmh_1222467420_5817P
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> 
> David,
> 
> You beat me to it.
> 
> Danny, read the iperf man page:
>        -b, --bandwidth n[KM]
>               set  target  bandwidth to n bits/sec (default 1 Mbit/sec).  This
>               setting requires UDP (-u).
> 
> The page needs updating, though. It should read "-b, --bandwidth
> n[KMG]. It also does NOT require -u. If you use -b, UDP is assumed.

I did RTFM(*), but when i tried it just wouldn't work, I tried today
and it's actually working - so don't RTFM before coffee!
btw, even though iperf sucks, netperf udp tends to bring the server down
to it's knees.

danny
PS: * - i don't seem to have the iperf man, all I have is iperf -h