From: Stef Coene <stef.coene@docum.org>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] Please check the follow script for diffserv
Date: Thu, 07 Aug 2003 16:45:58 +0000 [thread overview]
Message-ID: <marc-lartc-106027481526361@msgid-missing> (raw)
In-Reply-To: <marc-lartc-106024505223878@msgid-missing>
On Thursday 07 August 2003 14:42, Steffen Moser wrote:
> Here, you should specify the physical bandwidth of your underlaying
> device (eth0), i.e. 100Mbit. You can't slow down the device at this
> position.
The bandwidth parameter is used in the internal calculations of cbq and it
must be the real NIC bandwidth. It has nothing to do with the bandwidth you
want to manage on your link. So bandwidth paramter is 10 or 100 mbit.
> Altough you set a maximum rate of 500Kbit for the BE class, this class
> borrowed additional bandwidth, of course, not from your EF class (which
> is isolated), but from the parent qdisc, which offers 100Mbit (because
> the underlaying device offers that much).
Be warned, isolated can break the cbq setup. I did some tests with cbq
classes and as long as you don't specify the isolated parameter eveything was
fine.
> So, I've added one more class to your script - so my resulting script is:
I have 1 remark : the weight parameter. Take weight = rate / 10.
Stef
--
stef.coene@docum.org
"Using Linux as bandwidth manager"
http://www.docum.org/
#lartc @ irc.oftc.net
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next prev parent reply other threads:[~2003-08-07 16:45 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-07 8:29 [LARTC] Please check the follow script for diffserv anzp
2003-08-07 12:42 ` Steffen Moser
2003-08-07 16:45 ` Stef Coene [this message]
2003-08-14 9:13 ` Raghuveer
2003-08-14 13:41 ` Martin A. Brown
2003-08-15 10:02 ` Steffen Moser
2003-08-18 11:16 ` Raghuveer
2003-08-18 23:41 ` Damion de Soto
2003-08-19 9:42 ` Steffen Moser
2003-08-19 10:23 ` Raghuveer
2003-08-20 0:24 ` Damion de Soto
2003-08-20 6:36 ` Raghuveer
2003-08-20 19:30 ` Martin A. Brown
2003-08-21 5:11 ` Raghuveer
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