netdev - Re: [PATCH] ipv6: addrconf: clear IPv6 addresses and routes when losing link

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Date:	Wed, 27 Oct 2010 08:51:15 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	lorenzo@...gle.com
Cc:	brian.haley@...com, shemminger@...tta.com, netdev@...r.kernel.org
Subject: Re: [PATCH] ipv6: addrconf: clear IPv6 addresses and routes when
 losing link

From: Lorenzo Colitti <lorenzo@...gle.com>
Date: Tue, 26 Oct 2010 15:53:50 -0700

> As the patch stands, they don't. Only autoconfigured addresses will be
> cleared, because addrconf_ifdown() does not remove any addresses that
> are permanent (unless they are link-local, in which case they are
> recreated as soon as link comes back).

Ok, and that brings us back to the issue of losing a TCP connection
over a link-local et al. address during a minor link flap.

I think some financial services people will really dislike that
behavior :)
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