From owner-freebsd-net@FreeBSD.ORG  Mon Aug 12 07:44:34 2013
Return-Path: <owner-freebsd-net@FreeBSD.ORG>
Delivered-To: freebsd-net@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTP id 9C59FC5D
 for <freebsd-net@freebsd.org>; Mon, 12 Aug 2013 07:44:34 +0000 (UTC)
 (envelope-from andrnils@gmail.com)
Received: from mail-oa0-x231.google.com (mail-oa0-x231.google.com
 [IPv6:2607:f8b0:4003:c02::231])
 (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits))
 (No client certificate requested)
 by mx1.freebsd.org (Postfix) with ESMTPS id 613B12063
 for <freebsd-net@freebsd.org>; Mon, 12 Aug 2013 07:44:34 +0000 (UTC)
Received: by mail-oa0-f49.google.com with SMTP id n10so6764176oag.8
 for <freebsd-net@freebsd.org>; Mon, 12 Aug 2013 00:44:33 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113;
 h=mime-version:in-reply-to:references:date:message-id:subject:from:to
 :cc:content-type;
 bh=b2nBiXqGmXwj9Xm0FL1sFlbv/bzSlGU4NjwOetPYIrI=;
 b=Rxo0USkLfEZQQfJNKKRurSn3blcWSfm3TNWRrwtpKRhN9geTpNdgdz/jfz/mQjbV9i
 N08h5+8yIbm0+D886hr0xHVsl3IACtYF6PhAnU1HR/9r/x/X4Krpjs3H9gGnU3gkWt0x
 OWaKh01s0np74VXNz3awyMA129wx1o8Y1IHVxzyYLKj92xWX2Ce+yTvoD/0x4GvCEjvU
 PVG0GLnvC57uwWrhbxxNPeSxbClTxKBQUhWcio/BrgbEjPns5FjOZOQT1qu0mo4eZvlt
 xu8h7PZd79JIKsoDPkgd4s500ssiDE03eagMtY+DYH5NG0LibdsTKkZpeKxPrb0yto6t
 ppBQ==
MIME-Version: 1.0
X-Received: by 10.182.242.37 with SMTP id wn5mr296442obc.56.1376293472933;
 Mon, 12 Aug 2013 00:44:32 -0700 (PDT)
Received: by 10.76.108.143 with HTTP; Mon, 12 Aug 2013 00:44:32 -0700 (PDT)
In-Reply-To: <20130812.071303.74723582.sthaug@nethelp.no>
References: <CAA_1SgHWSwm62xsXzas7W0SOtDoLL-0o85+dqGeLzDbhb=KWQg@mail.gmail.com>
 <CA+g+Bvhvo0Tx0XjyGw7fTV=aribbev1BEh8cUsVLWjxD2d62pg@mail.gmail.com>
 <CAA_1SgGJdt8h3-5naE32PuuWxX26NhiXietyOsh20Lf73pkrVQ@mail.gmail.com>
 <20130812.071303.74723582.sthaug@nethelp.no>
Date: Mon, 12 Aug 2013 09:44:32 +0200
Message-ID: <CAPS9+Stfwq309h641hiTGnav=bTWdr5HWdz4evpMqTx6mfx+gA@mail.gmail.com>
Subject: Re: how define network with mask 8 for dhcp server?
From: Andreas Nilsson <andrnils@gmail.com>
To: sthaug@nethelp.no
Content-Type: text/plain; charset=ISO-8859-1
X-Content-Filtered-By: Mailman/MimeDel 2.1.14
Cc: Olivier Nicole <on@cs.ait.ac.th>,
 Olivier Nicole <olivier.nicole@cs.ait.ac.th>, s m <sam.gh1986@gmail.com>,
 FreeBSD Net <freebsd-net@freebsd.org>
X-BeenThere: freebsd-net@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-net>,
 <mailto:freebsd-net-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net>
List-Post: <mailto:freebsd-net@freebsd.org>
List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
 <mailto:freebsd-net-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 12 Aug 2013 07:44:34 -0000

On Mon, Aug 12, 2013 at 7:13 AM, <sthaug@nethelp.no> wrote:

> > you're right Olivier, but you know i have a user interface for dhcp and i
> > should handle all the network and ranges which are inserted by user and
> > logically are true. network with mask 8, logically is true and having
> > million available ip address, too.
> > i just wanna know if there is any solution to improve my performance or
> not.
>
> There is no solution with ISC DHCP. I doubt you'll find other suitable
> alternatives, but you're free to try of course.
>
> Steinar Haug, Nethelp consulting, sthaug@nethelp.no
>
>
One thing to try is to have more range statements in the block, like:

subnet 192.0.0.0 netmask 255.0.0.0
{
    range 192.0.0.1 192.127.255.255;
    range 192.128.0.0 192.255.255.255;
}

Best regards
Andreas