Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 11 Mar 2005 13:34:10 +0800
From:      jim song <>
Cc:        Brooks Davis <>
Subject:   Re: why my dummynet queue not work?
Message-ID:  <>
In-Reply-To: <>
References:  <> <>

Next in thread | Previous in thread | Raw E-Mail | Index | Archive | Help

Actually I use the freebsd box as an router. I set the tcp window in 
another two windows box running iperf (iperf -w 5M).

Before I add in the pipes, the throughputs could reach 300M, but after
I config in the two pipes(200M bandwidth, 25ms delay), the throughput
degrade to about 5M. 

BTW, is there some limitations to tcp connections passing through a 


On Thu, 10 Mar 2005 20:39:33 -0800, Brooks Davis
<> wrote:
> Why are you using the queue parameter at all?  If you just want to
> emulate a pipe there is usually no need to do that.  Have you adjusted
> your socket buffers in addition to your max TCP window size?
> -- Brooks

Want to link to this message? Use this URL: <>