On Aug 4, 2006, at 10:17 PM, Michael J McCafferty wrote:
Since this server is slave to maybe 70 or 80 or so masters which are managedc by as many differnet admins, there is no telling what is happening at any giventime or during any given zone transfer.
You'll want to ensure that the master servers are properly configured to send notifications to registered slaves (BIND will do this automatically for any host listed as an NS record for the zone, or you can use the also-notify clause in named.conf for the zones in question (or the whole server, in the options section).
If the master is properly notifying the slaves, the slaves should pull a zone transfer as soon as they get notified of an update. Back at my last job, we'd successfully update about 9 slaves (distributed network) within 10 seconds of the master's zones being updated.
I highly recommend the O'Reilly DNS and BIND book. That, combined with information available from isc.org, should answer just about any question you might ever have about maintaining BIND installations.
Gregory -- Gregory K. Ruiz-Ade <[EMAIL PROTECTED]> OpenPGP Key ID: EAF4844B keyserver: pgpkeys.mit.edu
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