IPV6 planning

Alarig Le Lay alarig at swordarmor.fr
Tue Mar 8 00:01:26 UTC 2016

On Mon Mar  7 15:51:06 2016, Owen DeLong wrote:
> To the best of my knowledge, Windows actually generates three
> addresses…
> 1. Subnet Stable quasi-randomized address unrelated (or at least not
> reversable to) MAC address.
> 2. Privacy address which rotates frequently (for some definition of
> frequently).
> 3. Stable address related to MAC address.
> The 3rd one is standard SLAAC.
> The second one is standard privacy extensions.
> THe first one is unique to Windows. You’ll get the same address every
> time you connect to the same subnet, but you won’t see that suffix for
> that host on any other subnet.

It’s not exactly specific to Windows, dhcpcd use a something like that
(my IPv6 is 2a00:5884:8316:2653:fd40:d47d:556f:c426). And at least,
there is a RFC related to that, https://tools.ietf.org/html/rfc7217.

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