[ntp:questions] how to have offset < 1ms
David J Taylor
david-taylor at blueyonder.co.uk.invalid
Tue Apr 13 10:15:17 UTC 2010
> After one night, the delay is 29.626
> remote refid st t when poll reach delay
> offset jitter
> ==============================================================================
> *ntpgmtaceb .1PPS. 1 u 406 1024 377 29.626
> 0.867 1.231
>
> if I put the line:
> server ntpgmtaceb iburst maxpoll 5
>
> ntpq -p:
> No association ID's returned
>
> If I run
> ntpdate ntpgmtaceb
> and I restart ntpd
> delay is 0.169:
>
> remote refid st t when poll reach delay
> offset jitter
> ==============================================================================
> ntpgmtaceb .1PPS. 1 u 12 64 1 0.169
> 3.814 0.001
>
> ntpdate seems to be better?
There's something strange about your LAN if 9a) the delay is 29
milliseconds and (b) it varies so much.
If the line
server ntpgmtaceb iburst maxpoll 5
didn't work it may be that your NTP (ntpd 4.2.2p1) is too old for those
options. Try without the iburst.
Cheers,
David
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