From owner-freebsd-isp Fri Sep 25 12:06:56 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id MAA21868 for freebsd-isp-outgoing; Fri, 25 Sep 1998 12:06:56 -0700 (PDT) (envelope-from owner-freebsd-isp@FreeBSD.ORG) Received: from Gatekeeper.Alameda.net (gatekeeper.Alameda.net [207.90.181.2]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id MAA21858 for ; Fri, 25 Sep 1998 12:06:50 -0700 (PDT) (envelope-from ulf@Gatekeeper.Alameda.net) Received: by Gatekeeper.Alameda.net (8.8.8/8.8.6) id MAA20583; Fri, 25 Sep 1998 12:06:46 -0700 (PDT) Message-ID: <19980925120646.F22112@Alameda.net> Date: Fri, 25 Sep 1998 12:06:46 -0700 From: Ulf Zimmermann To: "Jeffrey J. Mountin" , Bill Vermillion , freebsd-isp@FreeBSD.ORG Subject: Re: Routing problem Reply-To: ulf@Alameda.net References: <3.0.3.32.19980925121618.00714074@207.227.119.2> <199809240148.VAA29188@bilver.magicnet.net> <360938BE.3569E424@eaznet.com> <199809240148.VAA29188@bilver.magicnet.net> <19980924150846.C24890@Alameda.net> <3.0.3.32.19980925121618.00714074@207.227.119.2> <19980925111651.D22112@Alameda.net> <3.0.3.32.19980925135130.00774a48@207.227.119.2> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.91.1i In-Reply-To: <3.0.3.32.19980925135130.00774a48@207.227.119.2>; from Jeffrey J. Mountin on Fri, Sep 25, 1998 at 01:51:30PM -0500 Organization: Alameda Networks, Inc. X-Operating-System: FreeBSD 2.2.6-STABLE Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Fri, Sep 25, 1998 at 01:51:30PM -0500, Jeffrey J. Mountin wrote: > At 11:16 AM 9/25/98 -0700, Ulf Zimmermann wrote: > >It is a valid netmask, but it wouldn't include 10.1.0.0/16 and 10.2.0.0/16 as > >he wrote. > > Duh! Missread and for the odd numbered network. > > Guess this would be an example of network planning and boundaries. Planning ahead to simplify masking is something that seems to have been missed recently, if you follow all the talk about IPFW and long rulesets. Yep. Always plan your boundaries good. And I speak out of experience with a campus of > 600 used networks out of 2 Class B and ~80 Class C with basicly no way to aggregate anything, as all the /24 out of the Bs are given out single. > > > Jeff Mountin - Unix Systems TCP/IP networking > jeff@mountin.net -- Regards, Ulf. --------------------------------------------------------------------- Ulf Zimmermann, 1525 Pacific Ave., Alameda, CA-94501, #: 510-769-2936 Alameda Networks, Inc. | http://www.Alameda.net | Fax#: 510-521-5073 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message