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Date:      13 Mar 2002 23:22:31 +0100
From:      Dag-Erling Smorgrav <des@ofug.org>
To:        "Jeremy C. Reed" <reed@reedmedia.net>
Cc:        freebsd-chat@freebsd.org
Subject:   Re: ethernet interface listening to other interface's IP
Message-ID:  <xzpn0xc1520.fsf@flood.ping.uio.no>
In-Reply-To: <Pine.LNX.4.43.0203131351060.31667-100000@pilchuck.reedmedia.net>
References:  <Pine.LNX.4.43.0203131351060.31667-100000@pilchuck.reedmedia.net>

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"Jeremy C. Reed" <reed@reedmedia.net> writes:
> What is the correct behaviour and why?

Both are correct, under different circumstances.  What you describe is
called the weak ES model (ES == End System == host), and what you wish
for is called the strong ES model.  See section 3.3.4.2 of RFC1122.

In FreeBSD, use the net.inet.check_interface sysctl to control this
behaviour.

DES
-- 
Dag-Erling Smorgrav - des@ofug.org

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