Re: How accurate should HTB be?

Stef Coene
2002-12-04T17:16:00Z

On Monday 02 December 2002 02:45, Brian Capouch wrote:
> I have been playing with HTB for a couple of weeks on one of my testbed
> routers, and was astounded at how accurate it seemed to be (measuring
> with iperf).
>
> So I rolled it out on two production machines, and now, Murphy''s
Law,
> those both seem to be throttling too much.
>
> Same hardware, same kernel version, same iproute2 utils.  I have pored
> over the output of tc -s "shows" and the only thing I can see
different
> between the "highly accurate" machine and the two that are
> "overthrottled" is shown in the snippets below.  I''m
grasping at straws;
> does it matter that the rate is being reported differently by each
> invocation of tc?
I don''t know exactly how the rate is calculated, but I don''t
think you should
not trust it.

> The upload speed of the first runs 252, 258, 254, etc.; on the second
> 86, 150, 92, 78, etc.
Is this reported by tc or by iperf ??

Stef

--

stef.coene@docum.org
 "Using Linux as bandwidth manager"
     http://www.docum.org/
     #lartc @ irc.oftc.net


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