From owner-freebsd-stable@FreeBSD.ORG Tue Apr 22 16:32:41 2008 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7A866106566C for ; Tue, 22 Apr 2008 16:32:41 +0000 (UTC) (envelope-from bill@lefebvre.org) Received: from photon.ws-e.net (photon.ws-e.com [64.34.164.166]) by mx1.freebsd.org (Postfix) with ESMTP id 275758FC15 for ; Tue, 22 Apr 2008 16:32:40 +0000 (UTC) (envelope-from bill@lefebvre.org) Received: from lilburn.lefebvre.org (adsl-074-166-023-150.sip.asm.bellsouth.net [74.166.23.150]) by photon.ws-e.net (8.13.8/8.13.8) with ESMTP id m3MG3oDw011749 for ; Tue, 22 Apr 2008 11:03:55 -0500 Received: from [10.88.88.6] (milton.lefebvre.org [10.88.88.6]) by lilburn.lefebvre.org (8.13.8/8.13.8) with ESMTP id m3MG2U8R046402 for ; Tue, 22 Apr 2008 12:02:30 -0400 (EDT) (envelope-from bill@lefebvre.org) Message-ID: <480E0BEA.8090007@lefebvre.org> Date: Tue, 22 Apr 2008 12:01:46 -0400 From: William LeFebvre User-Agent: Thunderbird 2.0.0.12 (Windows/20080213) MIME-Version: 1.0 To: freebsd-stable@freebsd.org References: <480DD562.8090901@eccf.su.ac.yu> In-Reply-To: <480DD562.8090901@eccf.su.ac.yu> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.4 required=4.0 tests=ALL_TRUSTED autolearn=failed version=3.1.6 X-Spam-Checker-Version: SpamAssassin 3.1.6 (2006-10-03) on lilburn.lefebvre.org X-Scanned-By: MIMEDefang 2.57 on 192.168.0.4 Subject: Re: Two DHCP servers X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Apr 2008 16:32:41 -0000 Szemerédy Gábor wrote: > Hello! > We have a DHCP server listening on subnet 192.168.42.0. (On the server > with address 192.168.42.1) > One of the addresses , lets say 192.168.42.11 , we plan to use as a LTSP > server for thin clients. > So we installed the second network interface card with the address > 192.168.0.254 and our server (192.168.42.11) now connects to the > internet via interface 192.168.42.0 segment , and the thin clients are > connected to to this server via subnet 192.168..0.0. In Ltsp server > there is a DHCP server which is listening on subnet 192.168.0.0. > Will these two DHCPs generate a conflict? No. Each server should only serve addresses from its own network. And unless your LTSP server is forwarding DHCP requests between networks, they won't even see each other's traffic. Bill