[nsd-users] wildcard interfaces and UDP

W.C.A. Wijngaards wouter at NLnetLabs.nl
Fri Feb 11 13:23:56 CET 2011


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Hi Vlad,

On 01/27/2011 01:08 PM, Vlad Glagolev wrote:
> Hello there,
> 
> our NSD setup is pretty simple, however the server one isn't.
> 
> there are 2 servers sharing one IP-address inbetween via CARP.
> though, a problem:

This messes with the routes and interfaces, right?  NSD may need to have
ip-address: specified by hand, with the full IP addresses it services
(to avoid it calling the OS with zero IP and letting the route tables do
the wrong things).

> if "ip-address:" is specified, everything works flawlessly, otherwise
> dig returns timeout error. But tcp-connection works fine, and "dig -t
> A @... ... +tcp" returns correct answer.

If everything works fine, then, it is fine?

> tried to turn off firewall, disable ipv6, also some different
> configurations: no changes.
> 
> Linux 2.6.35, NSD 3.1.1-3.2.7. Is it a bug or a feature?

I do not understand what the bug or feature you are talking about is.

Best regards,
   Wouter
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