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

Owen DeLong owen at
Wed Nov 3 04:47:07 CDT 2010

On Nov 2, 2010, at 3:26 PM, Karl Auer wrote:

> 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.
Sounds like we're in violent agreement.


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