UDP "storms" from local bind?

[Kevin Darcy]

Alexander Newald wrote:

> Hello,
>
> I have a box with the latest stable bind running. It is used for a web and
> mailserver as the dns resolver. It do resolves direktly through the root
> server.
>
> I notice that from time to time (about 10-15 times a day) for about 30
> secounds to 1 minute a very high upd traffik is produced by bind. It also
> happens when no request are done to bind. What is it about?

What do you mean by "very high" UDP traffic?

Is this nameserver configured as a stub and/or a slave nameserver for any
zone(s)? Maybe that traffic consists of serial-number checks (?)


- Kevin