Proper Method of Time Sync?

[Jonathan Horne]

> i have read about 2 methods to sync the time on a freebsd box.
>
> 1) add these entries to /etc/rc.conf:
> ntpdate_enable="YES"
> ntpdate_flags="us.pool.ntp.org"
> ... and let the system do a one-time sync at bootup, and rely on this
> single method for timesync.
>
> 2) add this entry to /etc/rc.conf
> ntpd_enable="YES"
> add the file with these contents to /etc/rc.conf:
> server us.pool.ntp.org
> driftfile /var/db/ntp.drift
> restrict 192.168.1.0 mask 255.255.255.0 nomodify notrap
>
> so, i have a workstation and a server, which i originally did method 1 on,
> but soon enough, time drifted quite a bit.  so i switched it to the 2nd
> method, and they appear to be sync'd perfectly.  a third box i set up, i
> did only method 2, and this one did not stay synced at all.  after i
> manually ran 'ntpdate -v -b us.pool.ntp.org', this box straightend up.
>
> are both methods required for proper time syncronization, or can one rely
> only on the ntpd method?
>
> thanks,
> Jonathan Horne


Sorry, Typo:
> 2) add this entry to /etc/rc.conf
> ntpd_enable="YES"
> add the file with these contents to /etc/rc.conf:

i meant to say "add the file /etc/ntp.conf with these contents"

thanks,
Jonathan Horne