[ntp:questions] http://www.ntp.org/ => a blank page?

Rob nomail at example.com
Thu Mar 5 17:45:52 UTC 2009

Martin Burnicki <martin.burnicki at meinberg.de> wrote:
>> It sounds like you use a disconnected IPv6 network alongside a
>> connected RFC1918 v4 network internally.  I wonder if you could get by
>> using only link-local addresses for your internal IPv6 network?  I
>> believe that would solve the problem because your stack would know it
>> can't connect to a global v6 address from a machine with only link-
>> local v6 addresses.
> *This* is a very good hint. A quick check on some machines shows the problem
> I've described occurs only on machines which have both link-local and
> global IPv6 addresses assigned to their network interface.
> However, I've personally installed some of the machines and didn't care
> about IPv6 settings of the interfaces. So whether a global IPv6 address has
> been assigned or not seems to depend on the policy of the specific Linux
> distribution and/or version of the IP stack.

It depends on the presence of a router that hands out global addresses,
and on the presence of a daemon that asks for those addresses and assigns
them to the interface.
Both of them could be present or not.

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