> Thanks for the overflowing suggestions and replies.
>
> I tested it earlier by incrementing the serial number of a test zone in
> the primary, then reload the primary and the secondary (both running
> BIND 8.4.6). The secondary didn't update the zone until 10-15 minutes
> later and it's unclear if the delay is a constant. That's why I want to
> force a refresh immediately instead of waiting "indefinitely".


Remember the file will not necessarially be written
immediately. You need to query the nameserver to determine
if the zone has updated.

Mark

--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews@isc.org