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Date:      Wed, 29 May 2002 09:35:12 -0700
From:      "Albuquerque, Marcelo M" <marcelo.m.albuquerque@boeing.com>
To:        "'Luigi Rizzo'" <rizzo@icir.org>
Cc:        "'freebsd-net@freeBSD.ORG'" <freebsd-net@FreeBSD.ORG>
Subject:   RE: Does "xmit" work with ipfw dummynet?
Message-ID:  <F10E013C394AD411A2F10008C75DF4823D4388@xch-knt-01.nw.nos.boeing.com>

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Thanks Luigi.

> xmit cannot match on bridged packets

Is it a hard problem to make xmit compatible with bridged packets or is it
just that no one had the need yet to implement the changes? Is there any way
around this limitation that would allow us to achive the same goal?

-----Original Message-----
From: Luigi Rizzo [mailto:rizzo@icir.org]
Sent: Wednesday, May 29, 2002 8:42 AM
To: Albuquerque, Marcelo M
Cc: 'freebsd-net@freeBSD.ORG'
Subject: Re: Does "xmit" work with ipfw dummynet?


On Wed, May 29, 2002 at 08:40:36AM -0700, Albuquerque, Marcelo M wrote:
> dummynet is not behaving as expected, and I'm wondering whether the
command
> is compatible with bridging mode (freebsd 4.5):

xmit cannot match on bridged packets

	luigi

> 
> Here is the setup:
> 
>                  ___________________
>                 |                   |
> 192.168.1.1 --- |FreeBSD 4.5 Bridge | --- 192.168.1.2
>                 |___________________|
>                           |
>                           |
>                      192.168.1.3
> 
> 
> This works:
> ipfw add 100 deny ip from any to any in recv fxp0
> 
> This doesn't:
> ipfw add 100 deny ip from any to any out xmit fxp1
> 
> What I really want, but fear is not supported, is:
> ipfw add 100 deny ip from any to any out recv fxp0 xmit fxp1
> 
> That is, I want to block traffic coming in from fxp0 and going out
> fxp1, in bridged mode.
> 
> Anyone know if this is possible?
> 
> 
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