From owner-freebsd-arch Wed Jun 21 14:46:58 2000 Delivered-To: freebsd-arch@freebsd.org Received: from Awfulhak.org (tun.AwfulHak.org [194.242.139.173]) by hub.freebsd.org (Postfix) with ESMTP id 2F77037C098 for ; Wed, 21 Jun 2000 14:46:53 -0700 (PDT) (envelope-from brian@Awfulhak.org) Received: from hak.lan.Awfulhak.org (root@hak.lan.awfulhak.org [172.16.0.12]) by Awfulhak.org (8.9.3/8.9.3) with ESMTP id WAA25391; Wed, 21 Jun 2000 22:43:03 +0100 (BST) (envelope-from brian@Awfulhak.org) Received: from hak.lan.Awfulhak.org (brian@localhost [127.0.0.1]) by hak.lan.Awfulhak.org (8.9.3/8.9.3) with ESMTP id WAA02255; Wed, 21 Jun 2000 22:43:00 +0100 (BST) (envelope-from brian@Awfulhak.org) Message-Id: <200006212143.WAA02255@hak.lan.Awfulhak.org> X-Mailer: exmh version 2.1.1 10/15/1999 To: Poul-Henning Kamp Cc: Terry Lambert , brian@Awfulhak.org (Brian Somers), winter@jurai.net (Matthew N. Dodd), arch@FreeBSD.ORG, brian@hak.lan.Awfulhak.org Subject: Re: Software detection of link integrity In-Reply-To: Message from Poul-Henning Kamp of "Wed, 21 Jun 2000 23:28:23 +0200." <62877.961622903@critter.freebsd.dk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Wed, 21 Jun 2000 22:43:00 +0100 From: Brian Somers Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > In message <200006212117.OAA11432@usr02.primenet.com>, Terry Lambert writes: > >> >> I did this entirely for sppp, but it applies fully to any other > >> >> interface: an ethernet should remain configured but remove the > >> >> routes if the cable is unplugged. > >> > > >> >No, I think the aim here is to keep the routes but to adjust them so > >> >that they're via an interface rather than an IP number, something > >> >like: > >> > >> We should not keep an route to a net which is down, that is just wrong, > >> and defeats the pupose of routing daemons like gated/zebra etc. > > > >What about a dial on demand device that is transiently connected > >to the Internet, either through an integrated Analog or ISDN modem? > > But a dial on demand line is a layered concept. You have a transient > physical line with a layer on top of it which pretends to be a > permanent line. Which unfortunately doesn't work with a dynamically assigned IP number. > In this case we obviously talk about the toplayer, not the bottom layer. > > -- > Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 > phk@FreeBSD.ORG | TCP/IP since RFC 956 > FreeBSD coreteam member | BSD since 4.3-tahoe > Never attribute to malice what can adequately be explained by incompetence. -- Brian Don't _EVER_ lose your sense of humour ! To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message