From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gregory Maxwell Date: Sun, 25 Mar 2001 20:48:56 +0000 Subject: Re: [LARTC] pointopoint flag Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lartc@vger.kernel.org On Sun, Mar 25, 2001 at 09:29:30PM +0200, Guy Van Den Bergh wrote: > But you require the next hop to do proxy arp if you would like this to work! > And certainly this is not a point-to-point configuration of ethernet. If you route to your device instead of your nexthop > the kernel is going to send an arp request for de destination address, and if the destination is not on the lan, > some router on the lan has to do proxy arp on behalf of the destination. Otherwise your packets will be dropped. > The kernel still thinks the lan is a broadcast medium. > > I believe this is a lot more complicated than "just routing to your device"! > > Even if you have a crossconnect cable between two hosts or routers, the medium inbetween is still broadcast and not > point-to-point. > > I know this discussion is going way too far into semantics, but as far as I know there is no such thing as point-to-point mode of ethernet. You can disable arp and set static arp entries. Do that, plus a crossover cable and full-duplex, and I'd have a very hard time calling your ethernet anything but point-to-point. :) _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://ds9a.nl/2.4Routing/