From: Gregory Maxwell <greg@linuxpower.cx>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] pointopoint flag
Date: Sun, 25 Mar 2001 20:48:56 +0000 [thread overview]
Message-ID: <marc-lartc-98555340010854@msgid-missing> (raw)
In-Reply-To: <marc-lartc-98529443625692@msgid-missing>
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. :)
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next prev parent reply other threads:[~2001-03-25 20:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-22 20:53 [LARTC] pointopoint flag mike stjohn
2001-03-22 22:20 ` Guy Van Den Bergh
2001-03-24 21:47 ` bert hubert
2001-03-25 18:07 ` Guy Van Den Bergh
2001-03-25 19:29 ` Guy Van Den Bergh
2001-03-25 19:52 ` bert hubert
2001-03-25 20:48 ` Gregory Maxwell [this message]
2001-03-25 21:34 ` Guy Van Den Bergh
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