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

Richard B. Gilbert rgilbert88 at comcast.net
Fri Feb 10 03:46:15 UTC 2012

On 2/9/2012 4:36 PM, bombjack wrote:
> Hi,
> Scenario:
> - 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)
> - I have a client that is sync'ed with the server above (and only that
> server)
> What happens if I change the time on the server, lets say 5 years
> forward? Will the client sync to the server? and If so, how? big leap?

Yes, BIG LEAP!  But WHAT PROBLEM are you trying to solve??????

It will take long time, perhaps as long as eight or ten hours to recover
from this exercise

> small steps? Will the flag "-g" affect how the client reacts to this
> changes?
> Yes, I do realise that this scenario is stupid in many ways. Only one
> server, big time changes on the server etc etc, and I do know how to
> fix ti, but this is the scenario that I need an answer to.
> Any input welcome!
> BR,
> Fredrik

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