netdev - Re: [PATCH v3 2/2] ipv6: Allow accepting RA from local IP addresses.

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Message-Id: <20140701.121642.1053713287864156303.davem@davemloft.net>
Date:	Tue, 01 Jul 2014 12:16:42 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	greearb@...delatech.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH v3 2/2] ipv6: Allow accepting RA from local IP
 addresses.

From: greearb@...delatech.com
Date: Wed, 25 Jun 2014 14:44:53 -0700

> From: Ben Greear <greearb@...delatech.com>
> 
> This can be used in virtual networking applications, and
> may have other uses as well.  The option is disabled by
> default.
> 
> A specific use case is setting up virtual routers, bridges, and
> hosts on a single OS without the use of network namespaces or
> virtual machines.  With proper use of ip rules, routing tables,
> veth interface pairs and/or other virtual interfaces,
> and applications that can bind to interfaces and/or IP addresses,
> it is possibly to create one or more virtual routers with multiple
> hosts attached.  The host interfaces can act as IPv6 systems,
> with radvd running on the ports in the virtual routers.  With the
> option provided in this patch enabled, those hosts can now properly
> obtain IPv6 addresses from the radvd.
> 
> Signed-off-by: Ben Greear <greearb@...delatech.com>
> ---
> 
> v3:  Update commit message to describe use case, remove helper method,
>    tweak kernel message upon failure to accept RA.

Applied.
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