netdev - Re: [PATCH net-next] ipv6: Nonlocal bind

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Message-Id: <20150709.210933.1879950273189399588.davem@davemloft.net>
Date:	Thu, 09 Jul 2015 21:09:33 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	tom@...bertland.com
Cc:	netdev@...r.kernel.org, kernel-team@...com
Subject: Re: [PATCH net-next] ipv6: Nonlocal bind

From: Tom Herbert <tom@...bertland.com>
Date: Wed, 8 Jul 2015 16:58:22 -0700

> Add support to allow non-local binds similar to how this was done for IPv4.
> Non-local binds are very useful in emulating the Internet in a box, etc.
> 
> This add the ip_nonlocal_bind sysctl under ipv6.
> 
> Testing:
> 
> Set up nonlocal binding and receive routing on a host, e.g.:
> 
> ip -6 rule add from ::/0 iif eth0 lookup 200
> ip -6 route add local 2001:0:0:1::/64 dev lo proto kernel scope host table 200
> sysctl -w net.ipv6.ip_nonlocal_bind=1
> 
> Set up routing to 2001:0:0:1::/64 on peer to go to first host
> 
> ping6 -I 2001:0:0:1::1 peer-address -- to verify
> 
> Signed-off-by: Tom Herbert <tom@...bertland.com>

This seems reasonable, applied, thanks Tom.
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