[ntp:questions] Compensating for asymmetric delay on a per-peer/server basis?

Martin Burnicki martin.burnicki at meinberg.de
Thu Sep 11 13:36:40 UTC 2014

Rob wrote:
> Ok you are right.  In fact I filed bug #2598 myself for a similar
> situation...   In my case I wanted to compensate for the delay asymmetry
> for external users using my GPS reference via my ADSL line.  So I
> would like to apply such a fudge command to a network interface, not
> to a peer server.
> I forgot that it is not even possible to apply it to a server, what you
> would like to do.  I think the only thing you can do is apply an offset
> to your GPS and live with the fact that you are always 2ms off.  At least
> then you don't have a time wander when you switch to your backup and
> the external users of your system get the correct time.  That is what
> I did as a workaround until someone fixes this in ntpd.

Please see my reply to Bill Unruh.

Martin Burnicki

Meinberg Funkuhren
Bad Pyrmont

More information about the questions mailing list