netdev - RE: Traffic Control

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Date:	Wed, 18 Jun 2008 12:16:45 +0200
From:	"Jean-Philippe RAMES" <jprames@...-backup.com>
To:	<netdev@...r.kernel.org>
Subject: RE: Traffic Control - Burst 4096Mb ?!

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
 
Thanks for your help,
JP.
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