Tuesday, December 28, 2021

Re: IPv6 autoconf with static IID?

On 2021-12-27, Mike Fischer <fischer+obsd@lavielle.com> wrote:
> After reading man pages for slaacd(8), hostname.if(5) and ifconfig(8) the only way to combine a static IID with a dynamic prefix seems to be the eui64 option:
> inet6 autoconf eui64
>
> However this limits the IID to a fixed value based on the MAC-address of the interface and potentially leaks information about the vendor of the interface to the Internet.
>
> Is there a way to combine "inet6 autoconf" with an arbitrary manually defined IID?

Not directly to a specific IID, but OpenBSD uses RFC 7217 by default
rather than a MAC-address-based identifier.

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