From owner-freebsd-net Wed Nov 28 23:59:54 2001 Delivered-To: freebsd-net@freebsd.org Received: from femail47.sdc1.sfba.home.com (femail47.sdc1.sfba.home.com [24.254.60.41]) by hub.freebsd.org (Postfix) with ESMTP id 0E4EA37B41B for ; Wed, 28 Nov 2001 23:59:52 -0800 (PST) Received: from lightnin ([65.11.111.111]) by femail47.sdc1.sfba.home.com (InterMail vM.4.01.03.20 201-229-121-120-20010223) with ESMTP id <20011129075951.PMLY27388.femail47.sdc1.sfba.home.com@lightnin> for ; Wed, 28 Nov 2001 23:59:51 -0800 Date: Wed, 28 Nov 2001 23:59:51 -0800 Subject: Re: netmask for aliased ip Content-Type: text/plain; charset=US-ASCII; format=flowed Mime-Version: 1.0 (Apple Message framework v475) From: justin@mac.com To: freebsd-net@FreeBSD.ORG Content-Transfer-Encoding: 7bit In-Reply-To: <20011128235208.O3985@blossom.cjclark.org> Message-Id: <10DB5227-E49F-11D5-A7BB-0003934474AC@mac.com> X-Mailer: Apple Mail (2.475) Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Wednesday, November 28, 2001, at 11:52 , Crist J. Clark wrote: > On Wed, Nov 28, 2001 at 10:24:28PM -0800, justin@mac.com wrote: >> FWIW, the FreeBSD FAQ (10.9) sez this (it's a one-liner that shows the >> netmask 0xffffffff). > > I'll send in a doc PR for this. The ifconfig(8) page gets it right. > > alias Establish an additional network address for this > interface. This > is sometimes useful when changing network numbers, and one > wishes > to accept packets addressed to the old interface. If the > address > is on the same subnet as the first network address for this > interface, a netmask of 0xffffffff has to be specified. From the nitpick front: shouldn't that be "...on the same subnet as an existing network address..."? Regards, Justin --- Justin C. Walker, Curmudgeon-At-Large * Institute for General Semantics | Men are from Earth. | Women are from Earth. | Deal with it. *--------------------------------------*-------------------------------* To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message