From owner-freebsd-questions@FreeBSD.ORG  Sat Feb 17 00:53:59 2007
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From: Chuck Swiger <cswiger@mac.com>
Date: Fri, 16 Feb 2007 16:53:57 -0800
To: Y Sidhu <ysidhu@gmail.com>
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Cc: freebsd-questions@freebsd.org
Subject: Re: Managed Switch Implementation
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On Feb 16, 2007, at 4:38 PM, Y Sidhu wrote:
> Is there anyone who has experience in developing port mirroring in  
> FBSD? I
> am trying to combine 2 devices, a managed switch with a modified  
> firewall.
> This device wants to see traffic from, say 3 ports. So, 3 ports in  
> and all
> they do is mirror to 1 port internally.

You can implement "port mirroring" via the existing bridge capabilities.

-- 
-Chuck