Linux and ULA support and default route

Thomas Schäfer thomas at
Fri Oct 14 14:13:43 CEST 2016

Am 14.10.2016 um 13:57 schrieb Holger Zuleger:
>> 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.

I get never the same prefix! (ISP DTAG, private consumer)

>> 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.

The default/recommended(by AVM) behavior is still so.
I agree Tore. I use ULA(permanent on) for local NAS to avoid internal 
interruptions.  (cifs)



There’s no place like ::1

Thomas Schäfer (Systemverwaltung)
Centrum für Informations- und Sprachverarbeitung
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80538 München ☎ +49/89/2180-9706  ℻ +49/89/2180-9701

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