IXFR and Notify speed

[Mark_Andrews at isc.org]

> 
> 
> I have NS records for all of the nameservers.
> All namservers are 9.2.2rc1 or 9.2.1
> 
> The master nameserver has: (even tough it's on by default)
> provide-ixfr yes;
> 
> The slave nameserver has: (even though it's on by default)
> request-ixfr yes;
> 
> Yet, it is taking very long for the slave servers to be updated.
> Is there something else that needs to be done or is this a bug?
> 
> Thanks for any help.

	Firstly the notify messages have to come from the correct
	IP addresses.  See notify-source and allow-notify.

	Secondly the master has to be able to resolve the addresses
	of the slave nameservers.

	Also check firewall settings.

	Mark
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org