[Freeipa-users] ipa-replica-install fails because of IPv6?

[Martin Basti]

On 26.10.2016 16:10, Jochen Demmer wrote:
> Hi,
>
> my answers also inline.
>
> Am 26.10.2016 um 15:38 schrieb Martin Basti:
>>
>> Hi, comments inline
>>
>>
>> On 26.10.2016 14:28, Jochen Demmer wrote:
>>> Hi,
>>>
>>> I've been running and using a single FreeIPA server successfully, i.e.:
>>> Fedora 24
>>> freeipa-server-4.3.2-2.fc24.x86_64
>>> This server is only available via IPv6, because I can't get public 
>>> lPv4 addresses no more.
>>>
>>> Now I want to setup a FreeIPA replica at another site also running 
>>> IPv6, Fedora 24 and freeipa-server-4.3.2-2.fc24.x86_64
>>> First I run "ipa-client-install" which succeeds without an error.
>>> When I invoke "ipa-replica-install" I get this error:
>>> ipa         : ERROR    Could not resolve hostname 
>>> *hostname.mydoma.in* using DNS. Clients may not function properly. 
>>> Please check your DNS setup. (Note that this check queries IPA DNS 
>>> directly and ignores /etc/hosts.)
>>> LOG:
>>> 2016-10-26T12:14:39Z DEBUG Search DNS server *hostname.mydoma.in* 
>>> (['2a01:f11:1:1::1', '2a01:f11:1:1::1', '2a01:f11:1:1::1']) for 
>>> *hostname.mydoma.in*
>>
>> Can you check with dig or host command if the hostname is really 
>> resolvable on that machine? do you have proper resolver in 
>> /etc/resolv.conf?
> There is a resolver given in /etc/resolv.conf. When I do "host 
> <<hostname.mydoma.in>>" I get the right IPv6 back.
That is weird because IPA is doing basically the same.

>>
>>>
>>> *hostname.mydoma.in* is actually the DNS entry for the old FreeIPA 
>>> server, which actually resolves, but only to an IPv6 address of course.
>>> I can continue the installation though by entering "yes".
>>>
>>> I then get asked:
>>> Enter the IP address to use, or press Enter to finish.
>>> Please provide the IP address to be used for this host name:
>>>
>>> When I enter the IPv6 address of the new replica host it doesn't 
>>> accept but infinitely asks this question instead.
>>
>> Have you pressed enter twice? It should end prompt and continue with 
>> installation
> Enter without an IP -> No usable IP address provided nor resolved.
> Enter with an IP -> Error: Invalid IP Address 2a02:1:2:3::4 cannot use 
> IP network address 2a02:1:2:3::4 

How do you have configured IP address on your interface? Does it have 
prefix /128?

>>
>>>
>>> Honestly, I can't see what I might have done wrong.
>>> Old FreeIPA has hostname is in sync forward and reverse record.
>>> New FreeIPA host as well has hostname that symmetrically resolves, 
>>> even though the hostname is using another second level domain.
>>>
>>> Any hints?
>>> Jochen Demmer
>>>
>>>
>>
>> Martin
> Jochen
>

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