From owner-freebsd-questions@FreeBSD.ORG Thu Jun 18 22:14:31 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 576DF106566C for ; Thu, 18 Jun 2009 22:14:31 +0000 (UTC) (envelope-from glen.j.barber@gmail.com) Received: from mail-fx0-f206.google.com (mail-fx0-f206.google.com [209.85.220.206]) by mx1.freebsd.org (Postfix) with ESMTP id D73A78FC3D for ; Thu, 18 Jun 2009 22:14:30 +0000 (UTC) (envelope-from glen.j.barber@gmail.com) Received: by fxm2 with SMTP id 2so423200fxm.43 for ; Thu, 18 Jun 2009 15:14:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=xq6JSRtiwzgevsWsyofGyVG/xXFxgyfCS8oibOptoMQ=; b=U8s8PQRXjCHQAfCNheMacYTaTlkGmFF5t8OT7Uk9wWPnHQxNF5+EXsKg3Wq3xOMgYC HG13yT/iqzEtkJ0FMYuKdqwx48mqHEO3qH+R67ULQ36fZVZQJulIZlz6ogYx8WJSsP/Q 8k7YCa+5OJxXdfajP8IxzF5LapXeX0DuUO+3c= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=Xwiac90RZiSu6PizaYXhISD9A3SDMkiVuF5TIqhm4yHXpco3ojGCvxcwkO+og15+Tf O9Ew8Ci09VQuyOfu87eJeNvTpfLNMK1391BQU57ZRtVSq1xmNoPefwdZTJNn1ZqwXRzL icqDfv3I61MpAOmllK34cXR60+jLCjC8pSZtI= MIME-Version: 1.0 Received: by 10.204.54.16 with SMTP id o16mr1765453bkg.146.1245363269748; Thu, 18 Jun 2009 15:14:29 -0700 (PDT) In-Reply-To: References: <200906180941.04597.mel.flynn+fbsd.questions@mailing.thruhere.net> <200906181328.35326.mel.flynn+fbsd.questions@mailing.thruhere.net> Date: Thu, 18 Jun 2009 18:14:29 -0400 Message-ID: <4ad871310906181514g5166ccbfg8ae85c79b1c41309@mail.gmail.com> From: Glen Barber To: Tim Judd Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: freebsd-questions Subject: Re: The short and curlies of vista networking X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Jun 2009 22:14:31 -0000 On Thu, Jun 18, 2009 at 5:51 PM, Tim Judd wrote: > Replies inline > > On 6/18/09, Mel Flynn wro= te: >> On Thursday 18 June 2009 10:27:44 Tim Judd wrote: >>> Long ago in 2007, I saw a M$ article that describes that Vista has an >>> extremely short delay period to get an IP. =A0If it doesn't get it >>> within 1 second, it gives up (and maybe tries again). =A0Common DHCP >>> servers ping an IP address, wait 1 second for a reply, and if no >>> reply, assumes the IP is available and leases it to the booting >>> computer. >> ISC-dhcpd doesn't work that way. It keeps a lease db and assumes it's db= is >> the authority on available iP's for the range. > > dhcpd.conf(5) > search for ping-check or ping-timeout > > http://www.freebsd.org/cgi/man.cgi?query=3Ddhcpd.conf&apropos=3D0&sektion= =3D5&manpath=3DFreeBSD+7.2-RELEASE+and+Ports&format=3Dhtml > > >> >>> Is your DHCP server authoritative? >> >> Yes: >> authoritative; >> ddns-update-style interim; >> >> subnet 192.168.2.0 netmask 255.255.255.0 { >> =A0 =A0 range 192.168.2.200 192.168.2.254; >> >> =A0 =A0 option subnet-mask 255.255.255.0; >> =A0 =A0 option broadcast-address 255.255.255.255; >> =A0 =A0 option domain-name "lan.rachie.is-a-geek.net"; >> =A0 =A0 option domain-name-servers 192.168.2.51; >> =A0 =A0 option routers 192.168.2.1; >> >> =A0 =A0 option ntp-servers 192.168.2.10; >> =A0 =A0 option wpad "http://192.168.2.100/proxy.pac"; >> >> =A0 =A0 # Dynamic DNS setup >> =A0 =A0 =A0 >> } > > A broadcast of 255.255.255.255 is misconfigured (not saying it's not > gonna work, I'm saying for your network, it's not configured right). > you need broadcast-address 192.168.2.255 > That is not 100% correct. By default, dhclient will send an initial DHCPREQUST to 0.0.0.0 (meaning "this network"). The request is picked up from the DHCP server broadcasting on 255.255.255.255. --=20 Glen Barber