From owner-freebsd-net@FreeBSD.ORG Sat Oct 31 01:32:00 2009 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0E1121065695 for ; Sat, 31 Oct 2009 01:32:00 +0000 (UTC) (envelope-from randy@psg.com) Received: from ran.psg.com (ran.psg.com [IPv6:2001:418:1::36]) by mx1.freebsd.org (Postfix) with ESMTP id E6C648FC15 for ; Sat, 31 Oct 2009 01:31:59 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=rmac.psg.com) by ran.psg.com with esmtp (Exim 4.69 (FreeBSD)) (envelope-from ) id 1N42ow-000A8f-05; Sat, 31 Oct 2009 01:31:58 +0000 Received: from rmac.local.psg.com (localhost [127.0.0.1]) by rmac.psg.com (Postfix) with ESMTP id 800BB2BCB678; Sat, 31 Oct 2009 10:31:57 +0900 (JST) Date: Sat, 31 Oct 2009 10:31:57 +0900 Message-ID: From: Randy Bush To: Chuck Swiger In-Reply-To: <18C758A7-1908-4D1A-BDCA-80FF7FD8BC22@mac.com> References: <4AEB7AE8.5090101@keff.org> <18C758A7-1908-4D1A-BDCA-80FF7FD8BC22@mac.com> User-Agent: Wanderlust/2.15.5 (Almost Unreal) Emacs/22.3 Mule/5.0 (SAKAKI) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Cc: Sebastian Hyrwall , freebsd-net@freebsd.org Subject: Re: Hi. /31 on ethernet links X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 31 Oct 2009 01:32:00 -0000 /31 on point to point ether is exceedingly common in inter-router topologies. you may be amused to also read draft-kohno-ipv6-prefixlen-p2p-00.txt randy