A Zone Transfer Question
dlipubkey at gmail.com
Fri Feb 19 16:45:20 UTC 2016
This is my first time to try master slave configuration. Here is a
I have two Centos 7.1 VMs - each is configured for a zone. VM1 is the
master for zone1 and slave for zone2. VM2 is master for zone2 and
slave for zone1. Both zones uses DNS Dynamic Update from DHCP
servers on the same VM
to update the A records in their zone files. No DNSSEC configured.
To start, everything seems to be working fine. I have one host in each
zone and they can resolve each other fine.
Now I add a new host to zone1 and its sequence number has been bumped
up. I read that when the zone1 file changes, it will automatically
notify its slave zone (ie. zone2) to start a zone transfer after 15
min. This never happened. Then I restarted named on VM2 and hoped it
would pull the new zone1 file. This didn't happened either.
Eventually I have to either restart the VM2 or use dig to start the
Can anyone spot anything obviously wrong here? Do I need to post my
zone file and named.conf?
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