IPv6 site local EUI-64 adresses and jails

Emanuel Strobl Emanuel.strobl at gmx.net
Fri Aug 12 20:53:49 GMT 2005

Am Freitag, 12. August 2005 22:48 CEST schrieb Michael W. Oliver:
> On 2005-08-12T21:03:35+0200, Emanuel Strobl wrote:
> > Am Freitag, 12. August 2005 20:53 CEST schrieb Emanuel Strobl:
> >> Hi all,
> >>
> >> I'm quiet new to IPv6 so I'd like to ask some questions:
> >>
> >> So far I know how to generate s site-local address on basis of the
> >> MAC address of the interface. That's what FreeBSD does itself for
> >> INET6 enabled kernels.
> >
> > Ok, here I found my first error, it's in fact a link-local addres, no
> > site-local. If I need a site-local, is it correct to just assign it
> > another (almost similar) address, or should I disable link-local
> > autogeneration?
> Don't disable link-local address auto-generation.  You can assign your
> own addresses, based on the /48 you have been given by your provider or
> tunnel broker.  Something like this....
> ifconfig fxp0 inet6 3ffe:dead:beef:cafe::/64 eui64 alias

Ahh, ok, this answers the question how to use eui64 with ifconfig :)
And dead beef cafe is kewl ;) (first I'll use FEC0::eui64)



P.S.: Do you know what's the clue with the (mac)bit 41 change for eui64?

> That is only if you want to use auto-configured host addresses based on
> the (IHMO) wasteful EUI64 junk... topic for another thread (and list,
> probably!).  There are lots of differing opinions about the usefulness
> of EUI64-based auto-config.
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