From owner-freebsd-questions Mon Feb 15 05:29:30 1999 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id FAA03756 for freebsd-questions-outgoing; Mon, 15 Feb 1999 05:29:30 -0800 (PST) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from mel.alcatel.fr (mel.alcatel.fr [212.208.74.132]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id FAA03751 for ; Mon, 15 Feb 1999 05:29:27 -0800 (PST) (envelope-from Thierry.Herbelot@alcatel.fr) Received: from aifhs2.alcatel.fr (mailhub.alcatel.fr [155.132.180.80]) by mel.alcatel.fr (ALCANET/SMTP) with ESMTP id OAA18189 for ; Mon, 15 Feb 1999 14:28:42 +0100 Received: from lune.telspace.alcatel.fr (lune.telspace.alcatel.fr [155.132.144.65]) by aifhs2.alcatel.fr (ALCANET/SMTP2) with ESMTP id OAA28113 for ; Mon, 15 Feb 1999 14:26:08 +0100 (MET) Received: from telss1.telspace.alcatel.fr (telss1.telspace.alcatel.fr [155.132.51.4]) by lune.telspace.alcatel.fr (8.9.1a/8.9.1) with SMTP id OAA06111 for ; Mon, 15 Feb 1999 14:09:16 +0100 (MET) Received: from telspace.alcatel.fr (nairobi.telspace.alcatel.fr) by telss1.telspace.alcatel.fr (4.1/SMI-4.1) id AA10774; Mon, 15 Feb 99 14:17:48 +0100 Message-Id: <36C81FA1.3449E772@telspace.alcatel.fr> Date: Mon, 15 Feb 1999 14:22:41 +0100 From: HERBELOT Thierry Organization: Alcatel Telspace X-Mailer: Mozilla 4.5 [en] (X11; I; SunOS 5.5.1 sun4m) X-Accept-Language: en Mime-Version: 1.0 To: questions Subject: DHCP weirdness ? Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Hello, I'm subscriber to an Internet cable access service (high-speed access via the TV cable - works great, using CyberWave cable modems from Motorola). The ISP uses DHCP to allocate IP addresses - I'm using the DHCP client from the Wide project (the most recent one, from the ports). As I'm running this woderful OS that is FreeBSD (3.0-Current or 3.1-Beta), my machine never disconnects from the network. >From time to time, the IP address which is allocated to my machine changes subnets (it goes from the xxx.yyy.18.zzz network to the xxx.yyy.21.www). This seems to disturb wildly the Net connection (the dhcp client complains about changing subnets, and often, I'm obliged to reboot to use the network). Atfer this (rather long) introduction, here is my question : is it a good engineering practice to have the DHCP server change subnets in its response even though the machine does not change physical network ? (the rfc-2131 on DHCP specifically allows the subnet change - on p.27, but I can't find a good reason to do so) Thanks in Advance TfH To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message