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

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Message-Id: <20101026.101038.260090183.davem@davemloft.net>
Date:	Tue, 26 Oct 2010 10:10:38 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	brian.haley@...com
Cc:	lorenzo@...gle.com, shemminger@...tta.com, netdev@...r.kernel.org
Subject: Re: [PATCH] ipv6: addrconf: clear IPv6 addresses and routes when
 losing link

From: Brian Haley <brian.haley@...com>
Date: Tue, 26 Oct 2010 12:58:54 -0400

> Having these addresses restart DAD is probably about as much as we
> can do I think, unless we add a per-device sysctl to remove the addresses
> (which I think has been shot-down before).

It would be fundamentally flawed, in my opinion, if the normal
mechanisms of ipv6 cannot handle this situation adequately.

That's really why I don't even want to consider the "blow away
the addresses" sysctl option.

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