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From: "Renato Marques" <renato_fbsd@optrade.com.br>
To: "Matt Juszczak" <matt@atopia.net>,
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References: <40D3752A.8000809@atopia.net>
Date: Fri, 18 Jun 2004 20:16:32 -0300
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Subject: Re: Redirection with a bridge ?
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I dont think a bridge could do some like that. A bridge see only IP
packets, where are no information about ports, ports are used in TCP and
UDP.
    Actualy, I think Layer 3 is where the IP protocol besides. NAT is done
on layer 4... but i could be wrong...


> Hello all,
>
> Is there a way to do IP redirection without using layer 3? (IPNAT or
> routing)?  I have a bridge setup and want to redirect any port 80
> traffic outgoing through the bridge to a specific server .... but it
> seems I can only do this with ipfw's forward/fwd or ipnat's rdr commands
> ... which are all layer 3 oriented and dont work with just a bridge...
>
> Any ideas?
>
> Thank you in advance for anyone's help,
>
> Matt
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