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Date:      Sun, 20 Nov 2005 10:10:01 -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:  <20051120101001.A45777@xorpc.icir.org>
In-Reply-To: <MAEBLPAGHGPMOKCBICBNIENHCIAA.alexandre.delay@free.fr>; from alexandre.delay@free.fr on Sun, Nov 20, 2005 at 07:04:47PM +0100
References:  <20050629093248.A44168@xorpc.icir.org> <MAEBLPAGHGPMOKCBICBNIENHCIAA.alexandre.delay@free.fr>

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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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