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Date: Fri, 19 Mar 2004 10:17:20 +0200
From: Ruslan Ermilov <ru@FreeBSD.org>
To: Chuck Swiger <cswiger@mac.com>
Message-ID: <20040319081720.GE18091@ip.net.ua>
References: <200403181750.35948.jrh@it.uc3m.es> <4059E686.6050207@mac.com>
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cc: freebsd-net@FreeBSD.org
cc: Juan Rodriguez Hervella <jrh@it.uc3m.es>
Subject: Re: Small question about bridging and arp
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On Thu, Mar 18, 2004 at 01:12:22PM -0500, Chuck Swiger wrote:
> Juan Rodriguez Hervella wrote:
> >If I do a bridge between xl0 and xl1, can the IP address
> >configured on xl1 answer ARP-requests that come from the
> >LAN the xl0 is connected ? Does this make sense ?
>=20
> Yes, it should.  Bridging basicly treats xl0 and xl1 as being on the same=
=20
> physical network and an ARP request for an IP used by one of the two=20
> interfaces should be answered regardless of where it came from.
>=20
One typically also sets net.link.ether.inet.log_arp_wrong_iface=3D0,
to avoid annoying kernel messages in such a setup.  (See the arp(4)
manpage for details.)


Cheers,
--=20
Ruslan Ermilov
FreeBSD committer
ru@FreeBSD.org

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