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Subject: Re: Public NTP-servers?
To: pol@leissner.se (Peter Olsson)
Date: Wed, 3 Apr 96 9:38:59 MET DST
From: Greg Lehey <lehey.pad@sni.de>
Cc: questions@FreeBSD.org
In-Reply-To: <2.2.32.19960402174451.007070e8@lda>; from "Peter Olsson" at Apr 02, 96 6:44 pm
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>
> Hello!
>
> We want to move our computers to a central time source to remove
> timedifferences and be able to set all clocks at one server only.
>
> I have read the manpage for xntpd, which we intend to use. As I
> understand it, configuration should in the clients be:
> server <x.x.x.x>
> and in the server:
> broadcast <x.x.x.255>.
>
> But there are, if I'm not mistaken, also public, national (or international?)
> ntp-servers from where you can obtain absolute correct time, to remove
> all the need for setting the clock??? Or there should at least be ... :)
>
> My questions are:
>
> 1. Am I right?
>
> 2. If I'm right, where can I find such a public NTP-server ...
>
> 3. ... and how do I configure this, just server <w.x.y.z> in all my computers,
>    or something else?
>
> 4. If my simple guesses at configuration above are wrong, could some generous
>    human being please send me a configuration-example? It seems to me that it
>    shouldn't be this easy, so I must have missed something :)

My question is, why do you want to do it this way?  Your time accuracy
is limited by propagation time, and in Germany at any rate you can get
low-cost time receivers which are much more accurate.  In addition,
you're guaranteed not to have any network charges.

Greg