From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] Update Neighbor Cache when IPv6 RA is received on a router Date: Sat, 29 Aug 2009 00:04:27 -0700 (PDT) Message-ID: <20090829.000427.235911462.davem@davemloft.net> References: <1250381994-21329-1-git-send-email-david.ward@ll.mit.edu> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: david.ward@ll.mit.edu Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:52739 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751609AbZH2HEP (ORCPT ); Sat, 29 Aug 2009 03:04:15 -0400 In-Reply-To: <1250381994-21329-1-git-send-email-david.ward@ll.mit.edu> Sender: netdev-owner@vger.kernel.org List-ID: From: David Ward Date: Sat, 15 Aug 2009 20:19:54 -0400 > When processing a received IPv6 Router Advertisement, the kernel > creates or updates an IPv6 Neighbor Cache entry for the sender -- > but presently this does not occur if IPv6 forwarding is enabled > (net.ipv6.conf.*.forwarding = 1), or if IPv6 Router Advertisements > are not accepted (net.ipv6.conf.*.accept_ra = 0), because in these > cases processing of the Router Advertisement has already halted. > > This patch allows the Neighbor Cache to be updated in these cases, > while still avoiding any modification to routes or link parameters. > > This continues to satisfy RFC 4861, since any entry created in the > Neighbor Cache as the result of a received Router Advertisement is > still placed in the STALE state. > > Signed-off-by: David Ward This seems OK, applied to net-next-2.6 Thanks.