> If the delegated prefix changes, you'll be simply postponing the local > communication failure, not prevent it. Only if the new prefix is different to the old one.
> The last year has convinced me that the best user experience is > achieved by having an in-home stable ULA prefix to complement the > ISP-delegated global prefix[es] [if any], and that all the internal > hostnames should resolve to the IPv6 addresses assigned from the ULA > prefix. Yes, but this is probably a bit different to the AVM behavior. I have in mind that the default configuration on Fritzboxes is to announce the ULA *only* if the upstream is down. Then your local active sessions breaks twice. Holger
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