[plug] Bind- Master- Slave config

Tim Bowden bowden at iinet.net.au
Wed May 21 15:15:42 WST 2003


Thanks Paul & James.  The explanations were a great help.

Tim Bowden

On Wed, 2003-05-21 at 14:40, James Devenish wrote:
> In message <1053498947.1081.11.camel at desktop2.rmsurveys.com.au>
> on Wed, May 21, 2003 at 02:35:47PM +0800, Tim Bowden wrote:
> > I am setting up a slave dns server which of itself presents no great
> > difficulty, but I was wondering how a master server knows who its slave
> > servers are?
> 
> It has then listed in its DNS daemon configuration and/or in the zone
> file.
> 
> > In the master I can set the also-notify {x.x.x.x} and notify
> > {explicit} options but is this the normal way it is done?
> 
> Sure. (OTOH, slaves don't have to receive notifications. This can
> potentially reduce the accuracy of the slaves, of course, but at least
> you can have them running without having to reconfigure your master
> or modify your zone.)
> 
> > If I just use notify {yes} how does the master know who the slaves are
> > that need to be notified? 
> 
> It will look in the zone file (NS records) and also-notify.
> 
> Summary:
> 
> notify { yes } --> NS records and also-notify
> notify { explicit } --> only also-notify
> 
> PS. Be careful to understand the distinctions between master/slave,
> primary/secondary and authoritative/nonauthoritative.
> 
> 
> 




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