Re: cannot fill 100Mbps pipe (over 20ms rtt via netem)?

From: slashdev
Date: Wed Apr 30 2008 - 20:13:21 EST


On Wed, Apr 30, 2008 at 4:34 PM, John Heffner <johnwheffner@xxxxxxxxx> wrote:

> On Wed, Apr 30, 2008 at 2:45 PM, slashdev <slashdev@xxxxxxxxx> wrote:
> > i can provide the tcpdump trace. but that too looks ok. i.e. window
> > scale is set to
> > healthy "10" and the receiver does endup opening large window. but i
> > may be missing
> > something.
> >
> > if you need any other information please do ask.
> >
> > i am bit puzzled at the moment :-)
>
> Linux should easily be able to support this "out of the box" these
> days. Can you post the binary tcpdump somewhere?

http://slashdev.googlepages.com/traces/

i've added traces for 20ms rtt and normal lan rtt (aka 0ms rtt :-)
let me know if you have trouble accessing them or want any more
information.

thanks for your help
>
> -John
>
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