From owner-freebsd-doc Thu Dec 19 11:54:40 2002 Delivered-To: freebsd-doc@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5E65E37B401 for ; Thu, 19 Dec 2002 11:54:38 -0800 (PST) Received: from abigail.blackend.org (blackend.org [212.11.50.35]) by mx1.FreeBSD.org (Postfix) with ESMTP id B5BA143ED8 for ; Thu, 19 Dec 2002 11:54:36 -0800 (PST) (envelope-from marc@blackend.org) Received: from nosferatu.blackend.org (nosferatu.blackend.org [192.168.1.205]) by abigail.blackend.org (8.12.3/8.12.3) with ESMTP id gBJJsZQj049295; Thu, 19 Dec 2002 20:54:35 +0100 (CET) (envelope-from marc@abigail.blackend.org) Received: from nosferatu.blackend.org (localhost [127.0.0.1]) by nosferatu.blackend.org (8.12.6/8.12.6) with ESMTP id gBJJsajl000622; Thu, 19 Dec 2002 20:54:37 +0100 (CET) (envelope-from marc@nosferatu.blackend.org) Received: (from marc@localhost) by nosferatu.blackend.org (8.12.6/8.12.6/Submit) id gBJJsZsx000618; Thu, 19 Dec 2002 20:54:35 +0100 (CET) (envelope-from marc) Date: Thu, 19 Dec 2002 20:54:35 +0100 From: Marc Fonvieille To: "Jeffrey P.Bogert" Cc: freebsd-doc@freebsd.org Subject: Re: FreeBSD Handbook Message-ID: <20021219195435.GA540@nosferatu.blackend.org> References: <3E01FA5E.87B6FC46@mitre.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <3E01FA5E.87B6FC46@mitre.org> User-Agent: Mutt/1.4i X-Useless-Header: blackend.org X-Operating-System: FreeBSD 5.0-CURRENT Sender: owner-freebsd-doc@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Thu, Dec 19, 2002 at 11:57:02AM -0500, Jeffrey P.Bogert wrote: > Gentlemen: > I congradulate you on a very conplete and detailed Handbook. > I am new to FreeBSD, but do have prior Linux and Solaris experience. > I am in the process of getting FreeBSD up on one of my home computers. > > I noted the following two problems in Chapter 2 of the PDF version that > I would like to bring to your attention: > (I tried the html version first but the ScreenShots overwrite some of > the text) > > 1) on page 34 in the fifth para it has the following : > "Slice numbers follow the device name, prefixed with an s, starting at > 1. So “da0s1” is the first slice on the first SCSI > drive. There can only be four physical slices on a disk, but you can > have logical slices inside physical slices of the > appropriate type. These extended slices are numbered starting at 5, so > “ad0s5” is the first extended slice on a disk. > These devices are used by file systems that expect to occupy a slice." > > I believe that to keep the same drive and refer to an extended slice on > that drive, you mean to have da0s5 in the last sentence instead of > ad0s5. > To be consistent with the rest of the section I changed "is the first extended slice on a disk" with "is the first extended slice on the first IDE disk." > 2) on page 53 in the section "Netmask" > the Class C block should be 192.168.0.0-192.168.0.255 instead of > 192.168.0.0-192.168.255.255 > According to RFCs (rfc1918 for example), the Handbook is correct: The Internet Assigned Numbers Authority (IANA) has reserved the following three blocks of the IP address space for private internets: 10.0.0.0 - 10.255.255.255 (10/8 prefix) 172.16.0.0 - 172.31.255.255 (172.16/12 prefix) 192.168.0.0 - 192.168.255.255 (192.168/16 prefix) We will refer to the first block as "24-bit block", the second as "20-bit block", and to the third as "16-bit" block. Note that (in pre-CIDR notation) the first block is nothing but a single class A network number, while the second block is a set of 16 contiguous class B network numbers, and third block is a set of 256 contiguous class C network numbers. The Handbook says "Class C block" not "Class C network", so it's Ok. Marc To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-doc" in the body of the message