On 17/12/12 13:32, Gert Doering wrote:
Hi,

On Mon, Dec 17, 2012 at 01:16:30PM +0000, Phil Mayers wrote:
I have a suspicion that re-using the IPv4/IPv6 multicast MAC OUI was
part of the problem - that is special-cased in a lot of kit,

That's actually the brilliant thing about it :-) - and yes, kit that
does not handle MAC-level multicast properly is broken, though usually
there is not enough of that to actually notice.

Wait for IPv6 ND flood attacks...  (and then nobody will be able to point
a finger to MS to tell them "hey, all your fault!")

No need to wait. We've had several (accidental, but nevertheless). Suffice to say it had a... detrimental... affect on sup720 CPU usage.
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