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Date:      28 Aug 2002 19:06:11 +0930
From:      "Daniel O'Connor" <doconnor@gsoft.com.au>
To:        Sten Daniel SXrsdal <sten@wan.no>
Cc:        freebsd-stable@FreeBSD.ORG
Subject:   Re: IPFW/dummynet/ppp bw device question
Message-ID:  <1030527373.717.72.camel@chowder.gsoft.com.au>
In-Reply-To: <55523182176.20020828105810@wan.no>
References:  <55523182176.20020828105810@wan.no>

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On Wed, 2002-08-28 at 18:28, Sten Daniel SXrsdal wrote:
>   I took a look at the documentation for IPFW and under the dummnet
>   section it is mentioned that the 'bw' parameter can be given a
>   device for use with ppp(8), however i have failed finding any
>   information on this. What i am looking into is to setup pipes for
>   each dial-in user (for QoS/shaping).
>   And I was kind of hoping this was something i could control in ppp
>   without having to reinsert new rules every time a user logged in.
> 
>   Anyone ever used this feature or know anything about it?

I think you are misreading the docs..

I don't think ppp or tun have an inherent support for bandwidth limiting
so you will have to insert rules on the fly.

The docs for ipfw mention something about getting the transmit clock
from tun but I have no idea if it actually works, or what it does. I
looked through the code but I couldn't find a mention of anything about
it..

-- 
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
GPG Fingerprint - 9A8C 569F 685A D928 5140  AE4B 319B 41F4 5D17 FDD5


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