Read up on NOTIFY. Secondaries poll the primary for changes based on SOA
timers. NOTIFY informs the secondaries to poll earlier. Named uses the NS
records to find the default set on machines to send NOTIFY messages to.
> On 4 Nov 2021, at 08:08, Speagle, Andy via bind-users
> wrote:
>
> Hi Team,
>
> I'm not a bind expert... we're upgrading from 9.11 to 9.16 as we
> migrate to new servers... and for some reason we can't get zone
> transfers working from the primary to secondary.
>
> We have this directive in our options for named.conf
>
> allow-transfer { secondaries; };
>
> and of course... an acl later in the named.conf
>
> acl secondaries { x.x.x.x; };
>
> I watch the logs on the secondary... and make a change to a zone on the
> primary... update the serial... run an rndc reload...
>
> Yet... I see nothing on the secondary.
>
> Anyone have any clues or hints?
> --
> Andy Speagle
>
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--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org
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