NOTIFY messages from slaves

[Cricket Liu]

> Under BIND9, do slave servers normally send NOTIFYs?  I notice this in
> my logs.  After the slave receives a NOTIFY and updates a zone, it
> attempts to notify the slaves (including itself?), which are always
> refused, since the slave has not been designated as a master for the
> zone.
> 
> What is the normal practice for slave zones?  Just designate the
> option "notify no" in the zone statement, or add the other slaves into
> the 'masters'?

This is normal, and necessary since some slaves may use other
slaves as their masters.  If you have a simple zone transfer
dependency graph (that is, all of your slaves use the primary
master as their master), you can just set notify to no on the
slaves.

cricket

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