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RE: DAD question

"Manfredi, Albert E" <albert.e.manfredi@boeing.com> Wed, 15 August 2012 18:55 UTC

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From: "Manfredi, Albert E" <albert.e.manfredi@boeing.com>
To: Brian E Carpenter <brian.e.carpenter@gmail.com>
Date: Wed, 15 Aug 2012 13:55:23 -0500
Subject: RE: DAD question
Thread-Topic: DAD question
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Brian E Carpenter wrote:

> On 14/08/2012 18:16, Simon Perreault wrote:

> > Since privacy addresses are supposed to be configured alongside
> regular
> > SLAAC addresses, there should be no need for an explicit fallback.
> Just
> > enable both SLAAC and privacy simultaneously. If SLAAC fails, you
> still
> > have privacy.
> 
> True, but you won't have connectivity on any network that uses MAC
> address
> registration as a form of weak access control. Not that IPv6 can solve
> that
> problem, but it should be noted.

Unless that MAC address access control is done at Layer 2, which is not uncommon.

Bert

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