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Date:      Tue, 28 Oct 1997 23:47:30 +0700
From:      Engelhard <engel@cbn.net.id>
To:        freebsd <freebsd-isp@FreeBSD.ORG>
Subject:   Re: Secondary Setup/.....
Message-ID:  <34561722.5C5CA85B@cbn.net.id>
References:  <34551A29.7F84E396@v-m.com>

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Marcin Pasek wrote:
> 
> We are also trying to setup secondary ....but is there a trick or some
> kind a config that will allow the NAMED  to "update"  automaticly in few
> seconds....? Is there some kind of refresh setup. update?
> 
> Marcin

it should be in the database SOA record :
@   IN  SOA   your.domain.com hostmaster.your.domain (
	1997102801	; serial number
	10800		; refresh every 3 hour
	3600		; retry after 1 hour
	3600000		; expire
	86400 )		; ttl is 1 day

every 10800 seconds, secondary would connect to primary and check the
database serial number. if the serial number is a newer one, secondary
will update its database.
so, don't forget to increase the serial number after make some change to
the database.

engel.



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