From owner-freebsd-mobile@FreeBSD.ORG Sun Oct 12 08:27:21 2003 Return-Path: Delivered-To: freebsd-mobile@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4D06916A4B3 for ; Sun, 12 Oct 2003 08:27:21 -0700 (PDT) Received: from boreas.isi.edu (boreas.isi.edu [128.9.160.161]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9471E43F93 for ; Sun, 12 Oct 2003 08:27:20 -0700 (PDT) (envelope-from larse@ISI.EDU) Received: from isi.edu (c-24-130-112-121.we.client2.attbi.com [24.130.112.121]) by boreas.isi.edu (8.11.6p2+0917/8.11.2) with ESMTP id h9CFNvS15142; Sun, 12 Oct 2003 08:23:57 -0700 (PDT) Message-ID: <3F89720C.1090702@isi.edu> Date: Sun, 12 Oct 2003 08:23:56 -0700 From: Lars Eggert Organization: USC Information Sciences Institute User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.5) Gecko/20030916 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Peter Losher References: <200310120010.40759.plosher@plosh.net> In-Reply-To: <200310120010.40759.plosher@plosh.net> Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms080208010202030806090002" cc: freebsd-mobile@freebsd.org Subject: Re: /etc/rc.d/location script issues... (location.sh) X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 12 Oct 2003 15:27:21 -0000 This is a cryptographically signed message in MIME format. --------------ms080208010202030806090002 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Peter, Peter Losher wrote: > So I have been using Lars Eggert's location.sh (v1.25) script (seen at > http://www.isi.edu/larse/etc.html), and it's just what I am looking for > as I am usually at several sites, with a mix of wireless and wired net > access. (esp. now that I can use the Broadcom NIC on my Inspiron 5100 in > -current - Yay!) However I have some issues, and I wondered whether > anyone has come across them, and if they got around them. > > First - is there any way to specify what interfaces get probed by the > script? With my wireless card, I have three possible NIC's - the > wireless card (wi0), the on-board Broadcom BCM4401 (bfe0), and the > support for a Firewire NIC (fwe0). Now I don't ever see myself plugging > in a Firewire NIC anytime soon, so I would rather not have that > interface probed. I have tried setting "network_interfaces="wi0 bfe0 > lo0"" in rc.conf, but it looks like location.sh doesn't honor it. it probes all interfaces it finds, except loopback. I had not thought about limiting this, but if you have a patch to restrict probing to $network_interfaces, please send it to me. > Second - Anyone get this around 10 times when each interface doesn't get > a response to a ping? > > Can't grep /var/run/dhclient.leases : No such file or directory > (another reason why I don't want fwe0 probed, it's another delay) There's probably some error redirection into /dev/null missing. You can also try lowering probe_delay. > Third - How do you find out what IP should be probed?. I have been able > to detect wireless hubs/AP's just fine, but esp. on wired nets, I have > tried probing switches, default route, etc. and I get no ping response. Probing works best with the arping port installed. The ping/shcp probes don't work in many cases. If you don't have arping installed, I strongly recommend it. Good peers for probing are nodes at a given location that don't change IP addresses often, e.g., routers and servers. 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