From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Why does IPV6 link local address advertised as /64? Date: Tue, 11 Nov 2008 20:49:06 -0800 Message-ID: <20081111204906.081d9d57@extreme> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit To: netdev@vger.kernel.org Return-path: Received: from mail.vyatta.com ([76.74.103.46]:47867 "EHLO mail.vyatta.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751055AbYKLEtK (ORCPT ); Tue, 11 Nov 2008 23:49:10 -0500 Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.vyatta.com (Postfix) with ESMTP id 456C44F4255 for ; Tue, 11 Nov 2008 20:49:11 -0800 (PST) Received: from mail.vyatta.com ([127.0.0.1]) by localhost (mail.vyatta.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 8nU9SxQfeAT3 for ; Tue, 11 Nov 2008 20:49:10 -0800 (PST) Received: from extreme (unknown [96.225.231.79]) by mail.vyatta.com (Postfix) with ESMTP id 800164F4216 for ; Tue, 11 Nov 2008 20:49:10 -0800 (PST) Sender: netdev-owner@vger.kernel.org List-ID: It seems to make more sense to have only the actual host (ie /128) on the link-local address or is there some other purpose to using a /64?