Subject: Re: How to configure an ethernet interface which has point to point link
To: Gert Doering <gert@greenie.muc.de>
From: Manuel Bouyer <bouyer@antioche.eu.org>
List: tech-net
Date: 06/15/2007 21:38:51
On Fri, Jun 15, 2007 at 09:31:11PM +0200, Gert Doering wrote:
> Hi,
> 
> On Fri, Jun 15, 2007 at 08:48:33PM +0200, Ignatios Souvatzis wrote:
> > > Not necessarily - if the receiving end is in promiscuous mode, the
> > > ethernet chip will happily accept whatever packets come in...
> > 
> > of course - but where's the point when you still have to create the same
> > header format that the receiving driver expects?
> 
> If it's a pure internal point-to-point link, you could save the effort of
> maintaining ARP entries (either setting them up statically, or actually
> running the ARP protocol).  Less overhead...

No. You still need to send something in the ethernet header, that will
be properly received by the hardware engine on the other end.

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--