Re: [LARTC] A litlle bit of Theory questions...

From: Stef Coene <stef.coene@docum.org>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] A litlle bit of Theory questions...
Date: Thu, 22 May 2003 16:39:01 +0000	[thread overview]
Message-ID: <marc-lartc-105362166613322@msgid-missing> (raw)
In-Reply-To: <marc-lartc-105361897009641@msgid-missing>

On Thursday 22 May 2003 17:56, Osgaldo Suanzes wrote:
> I have 2 questions.
>
>     1. I have 4 pcs in a lan, every box has assigned some bandwith, with 4
> filters that matches the Ip source and send it to the right class.
>        If I set up another Class/Filter, that matches WWW-trafic and so
> assign bandwidth to www traffic, what happends if
>        one Pc starts to Browse websites, which filter has preference? the
> one that matches the traffic coming from the Ip?,
>         or the one that matches the www-trafic?
>         Into which class does the traffic go generated by that Ip?
You can order the filters with the prio parameter, the lowes prio filters will 
be checked first.

>     2.Is this below Correct?
> (Can I redirect 3 different IP matches by the filters to one same class?
> or do I have to setup a class for every Ip address Im gonna shape and match
> with a filter?
You can mutilple filters pointing to the same class.  

> #tc qdisc del dev eth1 root
>
> #tc qdisc add dev eth1 root handle 1: htb
>
> #tc class add dev eth1 parent 1: classid 1:1 htb rate 100kbps ceil 100kbps
>
> #tc class add dev eth1 parent 1:1 classid 1:10 htb rate 25kbps ceil 25kbps
> #tc class add dev eth1 parent 1:1 classid 1:11 htb rate 25kbps ceil 25kbps
> #tc class add dev eth1 parent 1:1 classid 1:12 htb rate 50kbps ceil 50kbps
>
> #tc filter add dev eth1 protocol ip parent 1:1 prio 1 u32 match ip src
> 10.3.0.2 flowid 1:10
> #tc filter add dev eth1 protocol ip parent 1:1 prio 1 u32 match ip src
> 10.3.0.3 flowid 1:10
> #tc filter add dev eth1 protocol ip parent 1:1 prio 1 u32 match ip src
> 10.3.0.4 flowid 1:11
> #tc filter add dev eth1 protocol ip parent 1:1 prio 1 u32 match ip src
> 10.3.0.5 flowid 1:12
But you add the filters to 1:1 but there is no filter that puts that traffic 
in that class.  Shouldn't you attach the filters to the root qdisc 1: ??

Stef

-- 

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

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