[plug] Bind- Master- Slave config
James Devenish
devenish at guild.uwa.edu.au
Wed May 21 14:40:27 WST 2003
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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