Re: [LARTC] htb & filter on classes

From: Martin Devera <devik@cdi.cz>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] htb & filter on classes
Date: Tue, 30 Apr 2002 22:34:41 +0000	[thread overview]
Message-ID: <marc-lartc-102020619831184@msgid-missing> (raw)
In-Reply-To: <marc-lartc-102014573809620@msgid-missing>

You have to use dst 0.0.0.0/0 to direct "other" flows to 1:100. The
default kw has global and definitive meaning - when it is used no
other filter is tested. Whe default is 100 is will not test filters here.
It is by-design, it could be changed but use dst 0.0.0.0/0 flowid 1:100
now.
devik

On Tue, 30 Apr 2002 office@kabelweb.at wrote:

> I am trying to do some simple filtering with htb and the following class
> hierarchy:
>
>         1:
>         |
>        1:10
>        /  \
>    1:100  1:200
>     /  \
> 1:1000  ...
>
> Internal traffic should go to 1:200 and external traffic to 1:100 with
> further distinction based on dst ip made there.
> The problem is that I just don't get the second distinction (filter on class
> 1:100) right. I have not found any working example where filters were not
> attached to qdiscs but on classes instead. Is it possible to do so? If yes:
> am I using the right syntax (parent 1:100)?
>
> The packets just get dropped in class 1:100 although the filter should
> definitely match and enqueue them into 1:1000.
>
> Is there anything like a default filter on class basis which always
> matches or do I have to use something like "match ip dst 0.0.0.0/0"?
>
> Here are the commands I'm using:
>
> ##########
> tc qdisc add dev eth1 root handle 1: htb default 100
> tc class add dev eth1 parent 1: classid 1:10 htb rate 10mbit ceil 10mbit
> burst 20k
>
> # external traffic
> tc class add dev eth1 parent 1:10 classid 1:100 htb rate 1mbit ceil 1mbit
> burst 10k
>
> # internal traffic
> tc class add dev eth1 parent 1:10 classid 1:200 htb rate 9mbit ceil 9mbit
> burst 10k
>
> tc class add dev eth1 parent 1:100 classid 1:1000 htb rate 0.5mbit ceil
> 0.5mbit burst 2k prio 10
>
> # filters
> tc filter add dev eth1 pref 1 protocol ip parent 1: u32 match ip src
> 195.58.166.176/28 flowid 1:200
> tc filter add dev eth1 pref 1 protocol ip parent 1:100 u32 match ip dst
> 195.58.0.0/16 flowid 1:1000
> ##########
>
> Many thanks in advance,
>
> Andreas Lehrbaum
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>
>

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