[time-nuts] sync computer clock ticks
M. Warner Losh
imp at bsdimp.com
Fri Jan 4 12:03:41 EST 2008
In message: <97a7c7ed0801040600x5d2781cfl40e31dd70731492c at mail.gmail.com>
"Michael Di Domenico" <mdidomenico at gmail.com> writes:
: I've used NTP for years, but i was under the impression that it is not
: able to synchonize the clocks below 1 or 2 seconds. Can you point me
: towards a specific article that speaks about the configuration
: parameters to get ntp sync'd that low?
I don't know about other people, but out of the box I get sub 20ms
synchronization. Right now, it is sitting at about 12.5ms:
remote refid st t when poll reach delay offset jitter
==============================================================================
*xxxxx.yyyyyy.co 10.7.1.1 2 u 965 1024 377 64.176 -12.570 0.508
My config file is just a simple:
server 1.2.3.4 # xxxxx.yyyyyyy.com
driftfile /mod/etc/ntp.drift
restrict default notrust nomodify
restrict 127.0.0.1
restrict 1.2.3.4
restrict 10.0.0.6
restrict 10.0.0.0 mask 255.255.0.0 notrust
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