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Date:      Mon, 2 Dec 2002 11:47:37 +0100 (CET)
From:      Helge Oldach <freebsdnet28nov02@oldach.net>
To:        jrh@it.uc3m.es (Juan Francisco Rodriguez Hervella)
Cc:        freebsdnet28nov02@oldach.net, freebsd-net@FreeBSD.ORG, marcelo@it.uc3m.es
Subject:   Re: Multihoming - implementing RFC 1122
Message-ID:  <200212021047.gB2AlbLL065560@sep.oldach.net>
In-Reply-To: <3DEB30D9.A290D483@it.uc3m.es> from Juan Francisco Rodriguez Hervella at "Dec 2, 2002 11: 7:21 am"

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Juan Francisco Rodriguez Hervella:
> Helge Oldach escribió:
> > I wonder whether there are plans to complete implementation of the
> > "strong ES" model as described in RFC 1122 for multihoming hosts on
> > FreeBSD. Essentially this would assure that a multihomed host would
> > send and receive IP packets through the "correct" interface (that is,
> > the physical interface that is configured with the IP address used in
> > the packets).
> I don't like the strong ES model.

Then, don't use it. I am not asking to modify the default behaviour, I
am just asking for extra functionality that you may use or not.

> the strong ES model
> makes use of source routing,

You are mixing up source routing and policy routing.

> I don't see why a host should discard a packet for him, only
> because it has arrived at other interface.

Anti-spoofing policies, for example.

Helge

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