[ntp:questions] System clock

Jarrar Jaffari jarrar at cisco.com
Thu Oct 6 16:14:19 UTC 2005


Kindly explain few things.

What are you refering to  when you say "refrence time" ? It looks highly 
unlikly that changing
system clock will change the time on the refrence clock.

"ntpd" does not run any clock, it does keep the system clock in sync 
with the refrence clocks
that you have specified in its configuration. Therefore you cannot "not 
disturb" the system clock.


SivaKumar Subramani wrote:

>Is it possible to make the NTP clock, timer run by the NTPD process and
>the system clock can be independent of each other.
>Can the NTP timer alone be set by the NTPD process without disturbing
>the system clock.?
>I'm little confused with the behavior of the system clock and the
>reference time. Whenever I change the system time by +/- by 10 min, the
>reference time also gets updated. Is this reference time refers the
>timer run by the NTPD process?  The clock /timer run by the NTPD process
>be independent to this alone. Any info on this issue is highly
>Thanks in advance
>questions mailing list
>questions at lists.ntp.isc.org

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