From owner-freebsd-isp Mon Oct 6 17:47:19 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id RAA11824 for isp-outgoing; Mon, 6 Oct 1997 17:47:19 -0700 (PDT) (envelope-from owner-freebsd-isp) Received: from gatekeeper.tsc.tdk.com (root@gatekeeper.tsc.tdk.com [207.113.159.21]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id RAA11817 for ; Mon, 6 Oct 1997 17:47:14 -0700 (PDT) (envelope-from gdonl@tsc.tdk.com) Received: from sunrise.gv.tsc.tdk.com (root@sunrise.gv.tsc.tdk.com [192.168.241.191]) by gatekeeper.tsc.tdk.com (8.8.4/8.8.4) with ESMTP id RAA16657; Mon, 6 Oct 1997 17:45:42 -0700 (PDT) Received: from salsa.gv.tsc.tdk.com (salsa.gv.tsc.tdk.com [192.168.241.194]) by sunrise.gv.tsc.tdk.com (8.8.5/8.8.5) with ESMTP id RAA20995; Mon, 6 Oct 1997 17:45:41 -0700 (PDT) Received: (from gdonl@localhost) by salsa.gv.tsc.tdk.com (8.8.5/8.8.5) id RAA00853; Mon, 6 Oct 1997 17:45:40 -0700 (PDT) From: Don Lewis Message-Id: <199710070045.RAA00853@salsa.gv.tsc.tdk.com> Date: Mon, 6 Oct 1997 17:45:40 -0700 In-Reply-To: Don Lewis "Re: routing between networks" (Oct 6, 3:33pm) X-Mailer: Mail User's Shell (7.2.6 alpha(3) 7/19/95) To: Don Lewis , "Daniel O'Callaghan" , chrw Subject: Re: routing between networks Cc: freebsd-isp@FreeBSD.ORG Sender: owner-freebsd-isp@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk On Oct 6, 3:33pm, Don Lewis wrote: } Subject: Re: routing between networks } [ deleted ] If you have two (or some power of two) adjacent network } numbers that start on a power of two boundary, and if all the boxes on } the network understand classless routing ({Free,Open,Net}BSD should all } qualify, as does Solaris 2.6, and I imagine that Linux probably does } as well), then the best solution is to just change the network mask to } do supernetting. In this case, you would just need to do: } ifconfig interface 194.19.{1,2}.xxx netmask 255.255.254.0 As it was pointed out to me, the alignment of these two network numbers isn't right for this to work unless you can include the 194.19.{0,3}.* networks as well. To do this you would use a netmask of 255.255.252.0. --- Truck