Problems with dynamic updates to slave servers

[Terje Opsahl]

Cricket Liu wrote:

> > We are running Bind 8.1.2 and allow-update for our DHCP server. I can
> > resolve the dynamic updated host's on our master DNS server for the zone
> > but not on the slave server for the same zone.
> > Do I have to configure the master or the slave in any way to get this
> > working, or should it work without doing any spesial configuration ?
>
> If the DHCP server is correctly updating the primary master name server,
> you shouldn't have to do anything.  But you might want to make sure you're
> using NOTIFY, since without NOTIFY, it can take up to the zone's
> refresh interval for the slaves to pick up new copies of the zone.
>
> cricket
>
> Acme Byte & Wire
> cricket at acmebw.com
> www.acmebw.com
>
> Attend the next Internet Software Consortium/Acme Byte & Wire
> DNS and BIND class!  See www.acmebw.com/training.htm for
> the schedule and to register for upcoming classes.

NOTIFY is enabled, but the SOA serialnumber is not incremented, so the slave
won't be updated even on the refresh interval.
Do the SOA serialnumber have to be incremented for every new dynamic update to
get the slave to pick up the new record ?

Terje Opsahl