[ntp:questions] Re: minpoll and maxpoll

Helmut Wollmersdorfer helmut at wollmersdorfer.at
Mon Dec 20 19:17:47 UTC 2004

Richard B. Gilbert wrote:

> You should not specify either minpoll or maxpoll without very good 
> reason!  Minpoll defaults to 6 and maxpoll to 10 giving a range from 64 
> seconds to 1024 seconds.  The daemon will adjust the polling interval 
> within this range as needed.  The longer polling intervals are needed to 
> let the code "fine tune" your clock.

Thanks. Now I understand, that shorter is not better.

Maybe using minpoll and maxpoll was the reason for large offset drifts 
after restart up to 90 ms, than back into opposite direction around -50 
ms? Never watched this before after a /etc/init.d/ntp-server restart.

Helmut Wollmersdorfer

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