[ntp:questions] Getting NTP to correct only the clock skew

Richard B. gilbert rgilbert88 at comcast.net
Fri Mar 30 20:48:53 UTC 2007


Spoon wrote:
> Hello everyone,
> 
> I've read this page:
> http://ntp.isc.org/bin/view/Support/HowToCalibrateSystemClockUsingNTP
> which explains how to let NTP determine the frequency offset (skew).
> 
> I have a strange request:
> 
> Is it possible to run NTP in a mode where it does not try to correct the 
> time offset, but only correct the frequency offset (skew)?
> 
> In other words, assume my clock says it is some time last year, and 
> gains 1 second every day (11.6 ppm). I don't want NTP to either slew or 
> step my clock to the correct time, but I still would want it to fix this 
> 1 s per day (11.6 ppm) frequency offset.
> 
> Has this ever been considered?
> 

I doubt it very much!

> Is there a variable I could tinker with? :-)
> 
> Regards.

I don't know of any.

What problem are you trying to solve?

Most people want the correct time rather than simply a clock keeping the 
wrong time but one that ticks at one second per second.




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