[Freeipa-users] Dynamic DNS Questions

[Martin Basti]

On 08.06.2016 13:00, Detlev Habicht wrote:
> Hi all,
>
> well, i am really a beginner with IPA and just trying to setup some
> test systems. In the moment one IPA server, one NFS/Samba server and a
> fedora CLient. I am running IPA 4.2, Scientific Linux 7.2 and Fedora 23.
>
> The most important things are running now.
>
> But i have a problem with DNS entries left. Maybe while installing
> IPA i make mistakes with the NFS Server. On this NFS server i have 5 
> interfaces. 4
> of them now as bond interface. So i am running two IPs now: nn.16 and 
> nn.33.
>
> But while installing IPA (with DNS) it takes the wrong one (16):
>
> 2016-05-26T14:08:12Z DEBUG Writing nsupdate commands to 
> /etc/ipa/.dns_update.txt:
> 2016-05-26T14:08:12Z DEBUG debug
> update delete nnnix.nnn.intern. IN A
> show
> send
> update delete nnnix.nnn.intern. IN AAAA
> show
> send
> update add nnnix.nnn.intern. 1200 IN A nnn.nn.nn.16
> show
> send
> 2016-05-26T14:08:12Z DEBUG Starting external process
> 2016-05-26T14:08:12Z DEBUG args='/usr/bin/nsupdate' '-g' 
> '/etc/ipa/.dns_update.txt'
>
>
> I can change the DNS entry on the IPA server to nn.33 at runtime. Then 
> everything
> is ok. But when i boot the NFS server, it is changing the DNS entry on
> the IPA Server to nn.16.
>
> What can i do so the IPA client (here my NFS Server) is using the 
> right IP?
> I don’t find any conf-File … Is there any point where i can change 
> this IP?
>
> Thanx for any help!
>
> Detlev
>
>
> --
>   Detlev  | Institut fuer Mikroelektronische Systeme
>   Habicht | D-30167 Hannover +49 511 76219662 
> habicht at ims.uni-hannover.de <mailto:habicht at ims.uni-hannover.de>
>   --------+-------- Handy    +49 172 5415752  ---------------------------
>
>
>
>
>

Hello,

DNS updates are done by sssd daemon on the client, you may want to 
disable dynamic updates or set interfaces which should be used

man sssd-ipa  find for dyndns_update and dyndns_iface

Martin
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