[ntp:questions] Re: New to NTPD
Ted Gervais
ve1drg at av.eastlink.ca
Wed May 10 07:40:25 UTC 2006
On Tue, 9 May 2006, Richard B. Gilbert wrote:
>> remote refid st t when poll reach delay offset
>> jitter
>> ==============================================================================
>> mircx.com 129.6.15.29 2 u 23 128 7 70.362 27.808
>> 7.917
>> neate.neateroll 199.212.17.15 3 u 24 128 7 80.833 14.010
>> 6.666
>> d221-85-115.com 132.246.168.9 2 u 17 128 7 41.316 25.977
>> 2.463
>> ----------------
>>
> <snip>
>
> Your reach field shows that only the three most recent polls were
> successful!!!! This is not good. Did you disconnect the network cable or
> have a network problem? That is probably why none of the three servers has
> been selected.
Yes. Somehow my system rebooted?? I don't know why. But it came back up
and that was the result.
> Can you find a fourth server? Four are the minimum required to protect
> against one falseticker. Five protect against two falsetickers and seven
> against three. With only three servers, the failure of one leaves you with
> only two.
OK on adding another server. Iwill do that right now. And here is what
things look like now that it has been running for nearly a full day:
---------
remote refid st t when poll reach delay offset
jitter
==============================================================================
+mircx.com 207.126.98.204 2 u 288 1024 375 71.586 -100.04 45.062
+neate.neateroll 199.212.17.20 3 u 320 1024 377 76.978 -21.913 5.698
*d221-85-115.com 132.246.168.2 2 u 314 1024 377 42.064 -6.444 3.894
> It is written that a man with two clocks can never be certain what
> time it is!!
>
> You need to let that system run for a while, perhaps for as long as a full
> day to reach a stable state with good synchronization.
>
Yes. And of course I plan to run it forever without any breaks as I have
this on my server which runs all the time anyway..
---
Ted Gervais
Coldbrook, Nova Scotia
Canada. (ve1drg)
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