Serial number zero and sequence space arithmetic
cricket at acmebw.com
Tue Jul 11 18:28:04 UTC 2000
> I did not think serial number zero ever went away, and do not understand
> how things are working if it has. I thought the mechanism the slave
> servers used when they had no backup file for a zone when they did not
> currently have one was to invoke named-xfer saying the current serial
> number is zero and this was supposed to do an unconditional zone transfer.
> I have not looked at the source recently however.
That's not the situation I'm describing. From BIND 4.8.1 on--
possibly until a late BIND 8 release--a slave that detects that
its master has a serial number of zone for a zone will *always*
transfer that zone, regardless of what serial number the slave
holds for that zone.
More information about the bind-workers