[Pdns-users] NOTIFYs from dual stacked hosts

bert hubert bert.hubert at netherlabs.nl
Thu Feb 9 07:07:11 UTC 2012

On Thu, Feb 09, 2012 at 06:48:54AM +0000, Andy Smith wrote:
> On the pdns servers, the NOTIFY is received on both IPv4 and IPv6
> addresses (verified with tcpdump), however in the logs all that is
> seen is:
>     pdns[13113]: Received NOTIFY for example.com from 2001:db8:1f1:f019::2 which is not a master

Hi Andy,

Can you double check that the IPv4 notification was sent to the right
address? I wonder if the notification might have been caught by the packet
cache, it has been known to do that kind of thing. 

Can you recheck with cache-ttl=0 ?

> All I have found when searching for this sort of thing are comments
> about setting /proc/sys/net/ipv6/bindv6only to 1. That makes no
> difference.

This is indeed unrelated.


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