How did you tell the primary server who to notify?
It should be listed in a NS RR. You can also look at the also-notify
option.
Is the slave allowed to transfer the zone, if not even a notify will not
work.
On 01/12/10 21:09, Sean Thomas Caron wrote:
> Hi folks,
>
> We have an ISC DHCP server here feeding dynamic DNS updates to a BIND
> 9 machine and it has generally been working fine.
>
> Now I am trying to add a slave nameserver to the zone and it works
> fine for the static hosts but none of the dynamic DNS updates seem to
> propagate to the slave.
>
> On the master, I have the dynamic sub-domain configured as follows:
>
> zone "ddns.sph.umich.edu" in {
> type master;
> file "/etc/bind/ddns.sph.umich.edu.hosts";
> notify yes;
> allow-update { key dhcpupdate; };
> };
>
> This works great; the DHCP server feeds updates to the primary DNS
> server, no problem.
>
> On the slave, I set it up as so:
>
> zone "ddns.sph.umich.edu" in {
> type slave;
> masters { 141.211.51.166; };
> notify no;
> file "/etc/bind/ddns.sph.umich.edu.hosts";
> };
>
> When a host comes up on DHCP, the primary server picks it up fine:
>
>> server 141.211.51.166
> Default server: 141.211.51.166
> Address: 141.211.51.166#53
>> sph-2006-0090-test.ddns.sph.umich.edu
> Server: 141.211.51.166
> Address: 141.211.51.166#53
>
> Name: sph-2006-0090-test.ddns.sph.umich.edu
> Address: 141.211.11.190
> sph-2006-0090-test.ddns.sph.umich.edu text =
> "31ce446f626045a4f8fe4933f448b613c6"
>>
>
>
> But it never seems to propagate over to the slave:
>
>> server 141.211.51.66
> Default server: 141.211.51.66
> Address: 141.211.51.66#53
>> sph-2006-0090-test.ddns.sph.umich.edu
> Server: 141.211.51.66
> Address: 141.211.51.66#53
>
> ** server can't find
> sph-2006-0090-test.ddns.sph.umich.edu.sph.umich.edu: SERVFAIL
>>
>
> I used 'rndc freeze' on the DDNS sub-domain then edited the zone file
> to have a really short refresh interval:
>
> ddns.sph.umich.edu IN SOA dns.sph.umich.edu.
> hostmaster.sph.umich.edu. (
> 2007024409 ; serial
> 3600 ; refresh (1 hour)
> 1800 ; retry (30 minutes)
> 2419200 ; expire (4 weeks)
> 86400 ; minimum (1 day)
> )
>
>
> Then re-enabled it with 'rndc unfreeze' but it still doesn't seem to
> have made a difference. Even after waiting an hour, the additions to
> the dynamic DNS zone never propagate to the slave. I'm not even sure
> if those values are honored when dynamic DNS is enabled.
>
> Most sites that I have seen discussing dynamic DNS only use one DNS
> server, so I am not exactly sure how this should be set up, or if this
> was ever intended to work this way. Is it possible? Or should I just
> make only the master a NS for the dynamic subdomain and leave the
> slave for static stuff only?
>
> I feel like if it was going to work, I have it set up correctly..
>
> Thanks,
>
> -Sean
>
>
> _______________________________________________
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> bind-users@lists.isc.org
> https://lists.isc.org/mailman/listinfo/bind-users
--
Best regards
Sten Carlsen
No improvements come from shouting:
"MALE BOVINE MANURE!!!"
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