From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: rules matching ipv6 prefix addrs Date: Wed, 03 Nov 2010 14:55:03 -0700 (PDT) Message-ID: <20101103.145503.104044664.davem@davemloft.net> References: <4CD12B8B.9090506@plouf.fr.eu.org> <20101103.051925.193703726.davem@davemloft.net> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: pascal.mail@plouf.fr.eu.org, netfilter-devel@vger.kernel.org, hpa@zytor.com To: jengelh@medozas.de Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:42726 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751587Ab0KCVyj (ORCPT ); Wed, 3 Nov 2010 17:54:39 -0400 In-Reply-To: Sender: netfilter-devel-owner@vger.kernel.org List-ID: From: Jan Engelhardt Date: Wed, 3 Nov 2010 13:32:42 +0100 (CET) > On Wednesday 2010-11-03 13:19, David Miller wrote: >> >>> What would be a use case ? >> >>I thought it was painfully obvious but... the use case is setting up >>a rule that matches the prefix addresses and having such rules still >>work properly when the link flaps onto a link with a different prefix > > A link moving to another link.. you lost me there. > Links usually don't move, packets do. Can you provide `ip addr`-style > output of Before and After, to better see what's being meant? This issue was expressed to me by H. Peter Anvin, let's CC: him to get some specific examples. HPA?