[Samba] Dynamic dns update intervals

[Neal Murphy]

On Thursday, May 09, 2013 05:36:42 PM steve wrote:
> Hi
> We're testing the sssd dynamic dns for AD Linux clients. The w7 clients
> seem to issue an update request every 20 minutes or so, which seems a
> bit excessive. The sssd default is 24 hours, which otoh seems a bit mean.
> 
> Is there an official Samba stance on this? Anyone else using dyndns with
> Linux boxes?

I think most modern DNS update clients for GNU/Linux keep track of the last 
address and only update when it changes or at boot or maybe when the link 
bounces.

I should think Linux ought to interact with AD the same way: only update when 
the IP address or hostname changes.