From: Li Wei <lw@cn.fujitsu.com>
To: "David S. Miller" <davem@davemloft.net>
Cc: netdev <netdev@vger.kernel.org>
Subject: Re: Is there any necessary to add multicast route for a loopback device?
Date: Thu, 01 Dec 2011 10:30:00 +0800 [thread overview]
Message-ID: <4ED6E6A8.3080702@cn.fujitsu.com> (raw)
In-Reply-To: <4ED5DD7D.10908@cn.fujitsu.com>
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?
>
> --
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>
next prev parent reply other threads:[~2011-12-01 2:29 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-30 7:38 Is there any necessary to add multicast route for a loopback device? Li Wei
2011-12-01 2:30 ` Li Wei [this message]
2011-12-01 3:35 ` David Miller
2011-12-01 4:31 ` Li Wei
2011-12-01 4:36 ` Eric Dumazet
2011-12-01 6:01 ` Li Wei
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