On 23/01/14 07:29, ardi wrote:
Why should i need the restrict line xx.xx.xx.xx?
What does the first restrict line means?
You don't.
See the documentation. Sets a fairly safe environment in which you can
be used as a server, but not much else, by the general public.
b1)In case using 2 ntp-servers from which my ntp-client can get time,
is my ntp-client taking time from xx.xx.xx.xx
and if this server is not reachable then from xx.xx.xx.yy?
No. It is using a weighted average of both.
What happens if xx.xx.xx.xx comes up again?
Does client take time again from the xx.xx.xx.xx?
It starts using both again.
b2)
What does prefer do in this case b2)?
Is there any difference between b1) and b2) case?
Never investigated prefer in detail.
b3)
what about this case b3) below?
Is time taken for the ntp-client according to order of lines - i mean the
xx.xx.xx.xx is taken as time source?
or the 2nd server xx.xx.xx.yy is preferred?
See b1. The only time the order of servers may have an effect is if you
exceed the maximum number, and I'm not sure of that case. Otherwise
time quality metrics determine the weighting of the contribution of each
server and which one is the figurehead system peer (there is also some
hysteresis to avoid system peers changing too often). I am pretty sure
that the effect of the order is not specified.
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