Re: [LARTC] htb & bandwidth sharing

Linux Advanced Routing and Traffic Control

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Stef Coene wrote:

> On Monday 16 June 2003 19:07, Albert Martorell wrote:
> > Hi everybody!
> >
> > I've been trying with htb and tc filter. It seemed to work fine, but
> > after testing with ethloop I've realized that traffic is not being
> > distributed through the leaves as I thought. When sending packets to
> > 1:10 and 1:11 at the same time, there's no bandwidth sharing. There's no
> > traffic through 1:11 until traffic through 1:10 has finished. Though
> > I've tried assigning different prio's, 1:10 always gets more
> > bandwidth...
> I also did some test and used ethloop  But I had good restults.  You can find
> more info on
> http://www.docum.org/stef.coene/qos/tests/htb/parent/

Thanks, I'll take a look.

>
>
> > Here's the script that reproduces this behaviour:
> >
> > tc qdisc add dev eth0 root handle 1: htb default 12 r2q 10
> > tc class add dev eth0 parent 1: classid 1:1 htb rate 600kbit ceil
> > 600kbit
> > tc class add dev eth0 parent 1:1 classid 1:10 htb rate 200kbit ceil
> > 600kbit
> > tc class add dev eth0 parent 1:1 classid 1:11 htb rate 200kbit ceil
> > 600kbit
> > tc class add dev eth0 parent 1:1 classid 1:12 htb rate 200kbit ceil
> > 600kbit
> > tc qdisc add dev eth0 parent 1:10 handle 20: sfq perturb 10
> > tc qdisc add dev eth0 parent 1:11 handle 21: sfq perturb 10
> > tc qdisc add dev eth0 parent 1:12 handle 22: sfq perturb 10
> >
> > tc filter add dev eth0 protocol ip parent 1: u32 match ip sport 53
> > 0xffff flowid 1:10
> > tc filter add dev eth0 protocol ip parent 1: u32 match ip src 1.2.3.4
> > match ip sport 80 0xffff flowid 1:11
> I did my tests with ethloop on lo and you used eth0.  Do you have a loopback
> connecter installed on eth0?

I see my first mistake has been testing directly on ethernet devices without a
loopback connector... Anyway I've tried with ethloop on lo and the results are
the same.

Thx.

    Albert




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