bind slave not get DNS update
Mark Andrews
marka at isc.org
Thu Jan 6 01:35:46 UTC 2011
In message <8B5C6F575422414AA91B46C454126B6C02666AF068 at EXCHMVS.exchange.airg>,
Steve Zeng writes:
> Tcpdump on master(A.A.A.A) shows the following:
And what source address does the slave see?
> 23:59:54.788272 IP A.A.A.A.domain > C.C.C.C.domain: 26512 notify [b2&3=0x240
> 0] [1a] SOA? mydomain.com. (72)
> 23:59:54.788898 IP C.C.C.C.domain > A.A.A.A.domain: 26512 notify Refused- 0/
> 0/0 (26)
>
> So it looks like master did sent notify out but refused by BIND slave
> also-notify {
> B.B.B.B; # public IP of first DNS slave(win
> dows DNS)
> C.C.C.C; # public IP of second DNS slave(Li
> nux BIND DNS)
> };
>
> Steve
>
> -----Original Message-----
> From: bind-users-bounces+stevez=airg.com at lists.isc.org [mailto:bind-users-bou
> nces+stevez=airg.com at lists.isc.org] On Behalf Of Niall O'Reilly
> Sent: Wednesday, January 05, 2011 3:33 PM
> To: bind-users at lists.isc.org
> Subject: Re: bind slave not get DNS update
>
> On 05/01/11 01:50, Steve Zeng wrote:
> > I don't have NS record for both of the slaves (windows DNS slave and
> > Linux DNS slave). I use "also-notify" and it works for Windows DNS
> > slave. But not for BIND/Linux.
>
> On 05/01/11 19:56, Steve Zeng wrote:
> > Rndc transfer (initialized at the slave side) works fine...
>
> Good. Manual intervention works.
>
> I suggest you try to determine the following from your logs
> on both master and (Linux) slave.
>
> Whether the master is sending the NOTIFY.
> Whether the slave is receiving the NOTIFY.
> Whether the slave is acting on the NOTIFY.
>
> That should make it clear what's not happening without
> manual intervention.
>
>
> Best regards,
> Niall O'Reilly
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--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: marka at isc.org
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