From owner-freebsd-arch Thu Jun 22 15:21:26 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 D7CDF37BF55 for ; Thu, 22 Jun 2000 15:21:18 -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 XAA37787; Thu, 22 Jun 2000 23:20:02 +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 XAA02751; Thu, 22 Jun 2000 23:20:00 +0100 (BST) (envelope-from brian@Awfulhak.org) Message-Id: <200006222220.XAA02751@hak.lan.Awfulhak.org> X-Mailer: exmh version 2.1.1 10/15/1999 To: Archie Cobbs Cc: phk@critter.freebsd.dk (Poul-Henning Kamp), brian@Awfulhak.org (Brian Somers), tlambert@primenet.com (Terry Lambert), 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 Archie Cobbs of "Thu, 22 Jun 2000 15:04:25 PDT." <200006222204.PAA94336@bubba.whistle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Thu, 22 Jun 2000 23:20:00 +0100 From: Brian Somers Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > Poul-Henning Kamp writes: > > >> 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. > > > > That is a different story alltogether... > > On the InterJet, if it's dynamic IP and there is no other IP address > to use, we actually make one up! Once connected, we renumber the > interface of course. How do you deal with the first connection problem - where that first packet that causes the dial ends up with an incorrect src address ? ppp(8) does it when NAT is enabled by keeping the old interface address as an alias and just NATing the first connection. > -Archie > > ___________________________________________________________________________ > Archie Cobbs * Whistle Communications, Inc. * http://www.whistle.com -- 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