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Date:      Sun, 20 Nov 2005 13:25:57 -0800
From:      Luigi Rizzo <rizzo@icir.org>
To:        Alexandre DELAY <alexandre.delay@free.fr>
Cc:        freebsd-ipfw@freebsd.org
Subject:   Re: strange dummynet WFQ problem
Message-ID:  <20051120132556.A47536@xorpc.icir.org>
In-Reply-To: <MAEBLPAGHGPMOKCBICBNOENHCIAA.alexandre.delay@free.fr>; from alexandre.delay@free.fr on Sun, Nov 20, 2005 at 07:16:40PM +0100
References:  <20051120101001.A45777@xorpc.icir.org> <MAEBLPAGHGPMOKCBICBNOENHCIAA.alexandre.delay@free.fr>

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On Sun, Nov 20, 2005 at 07:16:40PM +0100, Alexandre DELAY wrote:
> Interresting. I didn't find anythong about that.
> Where can I learn more about this "priorities"?

well, dummynet does not du priorities but weights.
lookup google for "WFQ"
or read the ipfw manpage.

cheers
luigi

> Alex
> 
> 
> -----Message d'origine-----
> De : Luigi Rizzo [mailto:rizzo@icir.org]
> Envoye : dimanche 20 novembre 2005 19:10
> A : Alexandre DELAY
> Cc : freebsd-ipfw@freebsd.org
> Objet : Re: strange dummynet WFQ problem
> 
> 
> On Sun, Nov 20, 2005 at 07:04:47PM +0100, Alexandre DELAY wrote:
> > It effectively works well, but I still have a problem:
> >
> > When I use my bandwidth (download a huge file) and I start a ping at the
> > same time, latency grows from 15ms up to 300ms.
> 
> it is normal because the ping packets are queued behind
> the other traffic.
> 
> luigi
> 
> > Again my conf:
> >
> > > 00005 allow ip from any to any via lo0
> > > 00006 deny ip from any to 127.0.0.0/8
> > > 00007 deny ip from 127.0.0.0/8 to any
> > > 00011 divert 8668 ip from any to any via ext
> > > 21046 queue 8 ip from any to 172.20.1.23 in via ext
> > > 21047 queue 9 ip from 172.20.1.23 to any in via int
> > > 65535 allow ip from any to any
> >
> >
> > Cheers
> >
> > Alex
> >
> >
> > -----Message d'origine-----
> > De : owner-freebsd-ipfw@freebsd.org
> > [mailto:owner-freebsd-ipfw@freebsd.org]De la part de Luigi Rizzo
> > Envoye : mercredi 29 juin 2005 18:33
> > A : Alexandre D.
> > Cc : freebsd-ipfw@freebsd.org
> > Objet : Re: strange dummynet WFQ problem
> >
> >
> > hi,
> > when a pipe or queue has a mask of all 0's it only shows the addresses of
> > the first packet that matched, so you don't have to worry about that.
> > Also, if queues are linked to the pipe, the accounting is done on
> > the queues and not on the pipe.
> >
> > cheers
> > luigi
> >
> > On Wed, Jun 29, 2005 at 06:27:48PM +0200, Alexandre D. wrote:
> > >
> > > Hi guys
> > >
> > > I have a strange problem.
> > >
> > > here is a simple sample my conf (hic!):
> > >
> > > # ipfw list
> > > 00005 allow ip from any to any via lo0
> > > 00006 deny ip from any to 127.0.0.0/8
> > > 00007 deny ip from 127.0.0.0/8 to any
> > > 00011 divert 8668 ip from any to any via ext
> > > 21046 queue 8 ip from any to 172.20.1.23
> > > 21047 queue 9 ip from 172.20.1.23 to any
> > > 65535 allow ip from any to any
> > >
> > > bash-2.05b# ipfw pipe list
> > > 00001:   1.024 Mbit/s    0 ms   50 sl. 0 queues (1 buckets) droptail
> > >     mask: 0x00 0x00000000/0x0000 -> 0x00000000/0x0000
> > > 00002:   1.024 Mbit/s    0 ms   50 sl. 0 queues (1 buckets) droptail
> > >     mask: 0x00 0x00000000/0x0000 -> 0x00000000/0x0000
> > > ...
> > > q00008: weight 4 pipe 1   50 sl. 1 queues (1 buckets) droptail
> > >     mask: 0x00 0x00000000/0x0000 -> 0x00000000/0x0000
> > > BKT Prot ___Source IP/port____ ____Dest. IP/port____ Tot_pkt/bytes
> > Pkt/Byte
> > > Drp
> > >   0 udp       dns address/53       172.20.1.195/3007  1032   254524  0
> > 0
> > > 0
> > > q00009: weight 4 pipe 2   50 sl. 1 queues (1 buckets) droptail
> > >     mask: 0x00 0x00000000/0x0000 -> 0x00000000/0x0000
> > > BKT Prot ___Source IP/port____ ____Dest. IP/port____ Tot_pkt/bytes
> > Pkt/Byte
> > > Drp
> > >   0 udp     172.20.1.195/68    255.255.255.255/67     589    53330  0
> 0
> > > 0
> > >
> > >
> > > The thing is that:
> > > -it looks that datas are going through the corrects queues,
> > > -each queue is correctly linked to a pipe
> > > -there is not accounting on both pipes
> > > -only dns packets are shown by this command.
> > >
> > >
> > > My wonders are:
> > > -How can I be sure that my queues are correctly linked to the pipes?
> > > -Why don't I have accounting on the pipes?
> > > -Why don't I get other than dns packet accounting?
> > >
> > > Sorry for the english
> > >
> > > Thanks for the answer
> > >
> > > Cheers
> > >
> > > Alex
> > >
> > > _______________________________________________
> > > freebsd-ipfw@freebsd.org mailing list
> > > http://lists.freebsd.org/mailman/listinfo/freebsd-ipfw
> > > To unsubscribe, send any mail to "freebsd-ipfw-unsubscribe@freebsd.org"
> > _______________________________________________
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