[ntp:questions] what happens if ntp server jumps time BIG TIME

Steve Kostecke kostecke at ntp.org
Fri Feb 10 01:53:50 UTC 2012

On 2012-02-09, bombjack <bombjack99 at gmail.com> wrote:

> - I'm in control of a NTP server and can change the time on this
> server as I please (this server is "sync'ed to the hw-clock)

ntpd never "syncs to the hardware clock".

If you use the Undisciplined Local Clock driver (127.127.1.x) ntpd will
accept the kernel clock's notion of time and will pretend that it is
synced to a real time source. However ntpd will follow the kernel clock
as it drifts.

Steve Kostecke <kostecke at ntp.org>
NTP Public Services Project - http://support.ntp.org/

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