Inside the zone statement of the primary add:
also-notify { ipofsecondary };
This will make transfer in microseconds.
Let me know if it works for you.
Dan
On Jun 1, 2021, at 7:24 PM, Mark Andrews <ma...@isc.org> wrote:
On 2 Jun 2021, at 01:18, Cuttler, Brian R (HEALTH) via bind-users
<bind-users@lists.isc.org> wrote:
My dns secondary is often behind on its dynamic zone tables.
It looks to me like we are doing automatic transfer IXFR but not requently
enough, but randomly.
It looks to me that default 10 second interval for min transfer wait time.
I'm missing something but haven't found the magic yet.
Both primary/secondary BIND 9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.5 on Centos 7.9.
Goal is to have dynamic entries replicated on the secondary within a few
minutes if not a few seconds.
From what I’m reading I should be sending a notify from the primary to the
secondary when a dynamic zone is updated but I don’t seem to be doing that.
Would someone please point me to the option I’m missing to do so? I’ve either
completely missed it, mis-understood what I read or am going in the wrong
direction.
01-Jun-2021 07:49:05.425 xfer-out: client @0x7f17335f9450 10.50.156.70#45583
(dai.wadsworth.org): transfer of 'dai.wadsworth.org/IN': IXFR started (serial
1501355783 -> 1501355796)
01-Jun-2021 07:49:05.426 xfer-out: client @0x7f17335f9450 10.50.156.70#45583
(dai.wadsworth.org): transfer of 'dai.wadsworth.org/IN': IXFR ended
01-Jun-2021 08:46:52.595 xfer-out: client @0x7f17334a7e80 10.50.156.70#39191
(dai.wadsworth.org): transfer of 'dai.wadsworth.org/IN': IXFR started (serial
1501355796 -> 1501355835)
01-Jun-2021 08:46:52.596 xfer-out: client @0x7f17334a7e80 10.50.156.70#39191
(dai.wadsworth.org): transfer of 'dai.wadsworth.org/IN': IXFR ended
01-Jun-2021 09:35:10.776 xfer-out: client @0x7f1732f45d60 10.50.156.70#39230
(dai.wadsworth.org): transfer of 'dai.wadsworth.org/IN': IXFR started (serial
1501355835 -> 1501355858)
01-Jun-2021 09:35:10.776 xfer-out: client @0x7f1732f45d60 10.50.156.70#39230
(dai.wadsworth.org): transfer of 'dai.wadsworth.org/IN': IXFR ended
Thanks in advance,
Brian
Named uses the NS records for the zone to find the addresses of the secondary
servers to send the NOTIFY messages to. Both primary and secondary servers do
this by default. The nameserver listed in the SOA record MNAME field is
excluded this process. Ensure you have address record for all your nameservers.
If a secondary is not listed in the NS RRset then you can use also-notify as
Anand said.
Brian Cuttler
ITG - Information Technology Group, Network and System Administrator
Wadsworth Center, NYS Department of Health
Empire State Plaza, Albany, NY 12201
(518) 486-1697 | brian.cutt...@health.ny.gov
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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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