Too-frequent change of privacy address / ND monitoring

[Phil Mayers]

On 26/03/13 12:14, Phil Mayers wrote:

>
> However, the more serious issue we've faced is (presumably broken) hosts
> who re-generate their privacy addresses EXTREMELY frequently - on the
> order of minutes. I have one host (a Mac, I believe)

Just to follow up on this old thread.

I've confirmed at least one cause of this; MacOS X, at least on my test 
machine (10.8.2) will re-generate the privacy address whenever it goes 
to sleep and wakes up again.

This happens even if the old privacy address has hours or days left on 
the lifetime before sleeping, and the machine was asleep for minute.

Grumble; it's crap like this that makes we want to force DHCPv6 and to 
hell with address privacy. Sadly the vast majority of Macs on our 
network are unmanaged, so I can't disable privacy addresses on them.