From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: linux kernel's IPV6_MULTICAST_HOPS default is 64; should be 1? Date: Tue, 04 May 2010 14:39:21 -0700 (PDT) Message-ID: <20100504.143921.149656301.davem@davemloft.net> References: <4BE031FA.6040006@hp.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: brian.haley@hp.com, enh@google.com, netdev@vger.kernel.org, netdev-owner@vger.kernel.org To: dlstevens@us.ibm.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:32934 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932428Ab0EDVjO (ORCPT ); Tue, 4 May 2010 17:39:14 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: From: David Stevens Date: Tue, 4 May 2010 09:12:59 -0700 > But if the default is different for each destination or interface in > the multicast case (ie, by adding conf settings for mcast), then > it really should do late binding and leave it as "-1" in the set, right? > That's what I thought it was already doing, but apparently not; > I think it used to, but maybe I just didn't notice. Unlike other people in this thread who sometimes aren't even checking how the current code works, I checked all of the available source control history in this area and this code has always behaved this way. Right from day one.