From owner-freebsd-questions Fri Nov 6 20:30:27 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id UAA22709 for freebsd-questions-outgoing; Fri, 6 Nov 1998 20:30:27 -0800 (PST) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from awfulhak.org (awfulhak.force9.co.uk [195.166.136.63]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id UAA22698 for ; Fri, 6 Nov 1998 20:30:23 -0800 (PST) (envelope-from brian@Awfulhak.org) Received: from woof.lan.awfulhak.org (root@woof.lan.Awfulhak.org [172.16.0.7]) by awfulhak.org (8.8.8/8.8.8) with ESMTP id EAA19164; Sat, 7 Nov 1998 04:20:17 GMT (envelope-from brian@Awfulhak.org) Received: from woof.lan.awfulhak.org (brian@localhost [127.0.0.1]) by woof.lan.awfulhak.org (8.9.1/8.9.1) with ESMTP id EAA04893; Sat, 7 Nov 1998 04:21:22 GMT (envelope-from brian@woof.lan.awfulhak.org) Message-Id: <199811070421.EAA04893@woof.lan.awfulhak.org> X-Mailer: exmh version 2.0.2 2/24/98 To: Thierry.Herbelot@alcatel.fr cc: brian@Awfulhak.org, questions@FreeBSD.ORG Subject: Re: unnumbered links in PPP ? In-reply-to: Your message of "Fri, 06 Nov 1998 09:29:48 +0100." Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Sat, 07 Nov 1998 04:21:21 +0000 From: Brian Somers Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > Hi, > > My first question was not clear enough - apologies. .. ;-) > > I found "unnumbered" links in the OSPF RFC (rfc2328 is the last version) > > > RFC 2328 OSPF Version 2 April 1998 > > > IP interface address > The IP protocol address for this interface. This uniquely > identifies the router over the entire internet. An IP > address is not required on point-to-point networks. Such a > point-to-point network is called "unnumbered". > > > > In unnumbered links, each endpoint of a point-to-point link is anonymous > and takes its IP address from the router id itself (if a router has 3 ppp > links, each will have the same "IP address" - they will be singled out by > the IP address of the other endpoint). This allows to save IP addresses > and to not use private IP addresses on a backbone network. > > So back to the initial question : can the IP stack of FreeBSD support > such links ? (I don't know what could be the result of an ifconfig > request on such links, for example) > > Hoping my question is a bit clearer this time > > TfH [.....] Ah, in that case, ``not as far as I know'' :-I -- Brian , , Don't _EVER_ lose your sense of humour.... To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message