netdev - Re: Traffic Control

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Message-ID: <4858E2CE.5020605@trash.net>
Date:	Wed, 18 Jun 2008 12:26:22 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Jean-Philippe RAMES <jprames@...-backup.com>
CC:	netdev@...r.kernel.org
Subject: Re: Traffic Control - Burst 4096Mb ?!

Jean-Philippe RAMES wrote:
> Hello,
>  
> I don't understand why when I run:
> tc class add dev eth2 parent 2:1 classid 2:85 htb rate 1024bit ceil
> 1mbit burst 30kb prio 5
> 
> the burst becomes 4096Mb (tc class show eth2):
> class htb 2:85 parent 2:1 prio 5 rate 1024bit ceil 1000Kbit burst 4096Mb
> cburst 2100b
> 
> And I've noticed if I run the same command with a different rate:
> tc class add dev eth2 parent 2:1 classid 2:85 htb rate 256kbit ceil
> 1mbit burst 30kb prio 5
> 
> the 30kb burst appears correctly:
> class htb 2:85 parent 2:1 prio 5 rate 1024bit ceil 1000Kbit burst 30kb
> cburst 2100b

Which iproute version are you using?

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