Re: [LARTC] can't get cbq to traffic shape

[Stef Coene <stef.coene@docum.org>]

On Wednesday 11 June 2003 05:20, Trevor Warren wrote:
> Hello Folks,
>
>  For a long time i have tried to get Traffic Shaping work for my 500
> Customer setup, but never succeded. I know i have made mistakes which i
> ain't able to point out.
>
>  I have made a heirarchical setup where in the incoming-outgoing
> bandwidth is split into 10 different subnets and i have filters to
> divert traffic into these 10 different pipes. Then in each of these
> pipes i then have all the clients under those subnets.
>
>  Below at the end i have attached the CBQ errors thrown when i
> initialise the TC pipes.
>
>  Any help and pointers on the same will be appreciated.
The bandwidth _MUST_ be your NIC bandwidth.  So it's 100Mbit for a 100mbit 
NIC.  You combined 100Mbit and 10Mbit.
You also have to provide a weight paramter.  Take weight = rate / 10.  I think 
this will remove the quantum errors.

Some general quesions :
What's you link bandwidth you want to shape?  It's best if you add 1 bounded 
class to the root qdisc wih rate = link bandwidth and attach all other 
classes to that class (and not to the root qdisc).
Is this script used on a firewall?  And is eth0 connected to the internet?  
Then you have a filter problem.  You filter on the src address, but all 
connections are natted so the real src address is not known.

Stef

-- 

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

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