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

Danny Mayer mayer at ntp.isc.org
Sat Mar 31 17:05:06 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)?
> 
No.

> 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.
> 

No. NTP always tries to correct the time.

> Has this ever been considered?
> 

No.

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

No.

Danny



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