[Pdns-users] Strange problem with powerdns and keepalived

Rory Toma rory at ooma.com
Wed Jan 25 00:50:20 UTC 2012

On 1/24/12 4:41 PM, Stefan Schmidt wrote:
> On Wed, Jan 25, 2012 at 1:06 AM, Rory Toma<rory at ooma.com>  wrote:
>> I currently only have the one machine using keepalived, to simplify the
>> situation as I debug it, and netstat shows listening on tcp port 53 on the
>> keepalive address.
>> Also, I have replicated the exact same setup (even the hardware!) with /24
>> networks, and it works, just not with a /16.
> Honestly, a one machine setup using keepalived sounds quite odd.I have
> successfully run a two host keepalived setup in the past where the
> service would run on the loadbalancers themselves, but i fail to see
> the point in running it with just one host when the service is running
> on the same host as keepalived.
> What does issuing a `ipvsadm --list` give you?
> Maybe there actually is a loadbalancing setup configured for tcp/53
> that forwards the packets elsewhere but not for udp/53, that would at
> least explain some of it.
>   Stefan
Actually, that was helpful. When I looked back over that section, I 
noticed a one letter typo. I had missed that on my previous billion 
attempts. 8-)


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