netdev - Re: nonlocal

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Date:	Sat, 26 Jun 2010 23:25:40 +1000
From:	Simon Horman <horms@...ge.net.au>
To:	Michal Humpula <michal.humpula@...rydum.cz>
Cc:	Rémi Denis-Courmont <remi@...lab.net>,
	netdev@...r.kernel.org
Subject: Re: nonlocal_bind & IPv6

On Fri, Jun 25, 2010 at 09:10:08PM +0200, Michal Humpula wrote:
> Ok, more detail example. 
> 
> Let on each node be an apache (just for an example), and you configure
> VirtualHost for specific IP. So when node A fails, keepalived move IP to
> the node B and everything is still running. No need for restart of apache
> or anything else. There is a probably a better solution, but I can't find
> anything more simple than the posted patch:)

Not an answer to your original question, but that sounds like a problem
that can be resolved using IP_TRANSPARENT. Although I have only tested
that feature in conjunction with IPv4, it seems to support IPv6 too.

See Documentation/networking/tproxy.txt

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