Sivakumar,

In the reference implementation that leaves here, packets are sent regardless of whether the time has been set forward or backward. In the kernel implementation that leaves here, time is always monotonically increasing except when explicitly set backward more than two seconds. This may not account for various modifications by folks after the code has left here.

Dave

ssubrama wrote:

I've an observation on the NTP-4.2.0 version. We have loaded this version and working properly without any issues. But when we changed the system clock say 1 hour backward by mistake, to our surprise there is no packet sent to destination till that 1 hr gets elapsed.

For example, when we changed the system time from 15.00 to 14.00 hrs, there was no packet sent from ntpd daemon to destination time source till the clock becomes 15.00 hrs. This 1hr the daemon was idle.

Is this as per the design or something we need to take care of in the ntp.conf file? If this is as per design how we should overcome this issue. I know, this is all due to the POSIX timers which is used in the daemon source.

Pl suggest us how to overcome this?

Thanks in advance
Sivakumar
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