[Pdns-users] Strange problem with powerdns and keepalived

Marc Haber mh+pdns-users at zugschlus.de
Tue Jan 24 08:42:04 UTC 2012

On Mon, Jan 23, 2012 at 05:42:16PM -0800, Rory Toma wrote:
> I'm not sure that this is a powerdns problem, per se, but it seems
> to only affect powerdns.
> I have a keepalived setup using a /16 network. When pdns binds to
> the keepalived port, udp queries work just fine, but tcp queries
> fail with a "tcp port domain unreachable".

Can PowerDNS cope with an IP address being configured after PowerDNS
was started? What does netstat say wrt listening ports?

> I have an exact duplicate of this setup using /24's, and everything
> works fine.

Which prompts the question, why are you using a /16? I have never seen
a LAN this large.

> Is there some obscure setting I'm missing? I'm running pdns
> (I can't upgrade to newer because I rely on a specific behavior in
> this version)

Just out of curiosity: Which specific behavior?


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