[ntp:questions] Too many servers listed in ntp.conf?

Steve Kostecke kostecke at ntp.org
Fri Oct 26 18:05:51 UTC 2007

On 2007-10-26, Dennis Hilberg, Jr.
<timekeeper at dennishilberg.com.invalid> wrote:

> Dennis Hilberg wrote on the timekeepers mailing list:
> > Correct me if I'm wrong, but I thought I remember reading somewhere
> > that ntpd will only make use of 10 servers max at one time,
> > regardless of how many are specified in the ntp.conf.
> > I have five in each of my ntp.conf files.
> Am I right about that? I thought I read that somewhere...

One place to find this fact is the Tally Codes section of

|.  excess
|    The peer is discarded as not among the first ten peers sorted by
|    synchronization distance and so is probably a poor candidate for
|    further consideration. 

This does mean that ntpd will have to poll all of the installed servers
to determine which ones whould be discarded.

Steve Kostecke <kostecke at ntp.org>
NTP Public Services Project - http://support.ntp.org/

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