Failover IPv6 with multiple PA prefixes (Was: IPv6 fc00::/7 - Unique local addresses)

Karl Auer kauer at
Tue Nov 2 17:26:22 CDT 2010

On Tue, 2010-11-02 at 09:03 -0700, Owen DeLong wrote:
> > About the only hack I can see that *might* make sense would be that home
> > CPE does NOT honour the upstream lifetimes if upstream connectivity is
> > lost, but instead keeps the prefix alive on very short lifetimes until
> > upstream connectivity returns.
> > 
> Which is exactly what was being proposed when Tim responded that it
> would break the IPv6 spec.

Yes it does. But as long as there is no upstream connectivity, it
doesn't matter. Personally I don't think it makes a *lot* of sense, but
it does make some.

Regards, K.

Karl Auer (kauer at                   +61-2-64957160 (h)                   +61-428-957160 (mob)

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