From mboxrd@z Thu Jan 1 00:00:00 1970 From: Li Wei Subject: Re: Is there any necessary to add multicast route for a loopback device? Date: Thu, 01 Dec 2011 10:30:00 +0800 Message-ID: <4ED6E6A8.3080702@cn.fujitsu.com> References: <4ED5DD7D.10908@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=GB2312 Content-Transfer-Encoding: 7bit Cc: netdev To: "David S. Miller" Return-path: Received: from cn.fujitsu.com ([222.73.24.84]:64998 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753289Ab1LAC3l (ORCPT ); Wed, 30 Nov 2011 21:29:41 -0500 In-Reply-To: <4ED5DD7D.10908@cn.fujitsu.com> Sender: netdev-owner@vger.kernel.org List-ID: Hi David, what's your opinion? > Hi all, > > I found that since Fedora 15, it use systemd as the 'init'. When systemd start > it would config the ipv6 address(::1/128) for 'lo' and start it. While adding > this address to 'lo', kernel will call addrconf_add_mroute() to set a multicast > route for 'lo' with rt->dst.error = -ENETUNREACH. After that, when I send multi- > cast message, the route subsystem return a route with .error set to NETUNREACH. > > Is there any necessary to add multicast route for a loopback device? > > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > >