[Samba] howto test ddns

Rowland Penny rowlandpenny at googlemail.com
Sat Aug 2 08:37:31 MDT 2014

On 02/08/14 15:14, steve wrote:
> On Sat, 2014-08-02 at 14:47 +0100, shadrock uhuru wrote:
>> hi Steve
>>> On Sat, 2014-08-02 at 06:02 +0100, shadrock uhuru wrote:
>>>> / hi
>>> />/
>>> />/ please could we start all over again,
>>> /Yes. No problem.
>>>> / ashanti is the AD DC with a static address of
>>> />/ testserver.tissisat.co.uk is a ficticous server to test the ddns update
>>> />/ with.
>>> />/ i  have assumed that the server line in the nsupdate command is for the
>>> />/ dns server i.e. the AD DC
>>> /
>>> OK, nearly there. _Where_ are you performing the nsupdate command?
>>> Cheers,
>>> Steve
>> i have performed the nsupdate on ashanti (AD DC),
> Hi
> Please have a think about this. You have quite rightly assigned a static
> IP to your DC. You must _not_ perform the ddns update there! It does not
> and should not move from that IP. Ever. The reason for having ddns
> updates is so that DNS can keep track of the client machines you have
> joined to the domain. These machines (usually for convenience) receive
> their IP via dhcp.

I think that what you mean is:
The DC must have a fixed ipaddress and as such, you should not use 
nsupdate or anything else to reset the DC's ipaddress. You can run 
nsupdate on the DC, but never to update the DC itself.


>> i have no client configured yet.
> OK. Time to configure one, install sssd with the ad backend and test
> ddns and nsupdate from there.
> Steve
>> shadrock

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