[ntp:questions] Re: NTP, no external time source, peering "Undisciplined Local Clocks" ?

David Schwartz davids at webmaster.com
Wed Oct 19 10:52:56 UTC 2005


"Marco Molteni" <mmolteni at cisco.com> wrote in message 
news:200510181619.11961.mmolteni at cisco.com...

> I know I can tell NTP to use the local clock as a time reference, what
> is called an "Undisciplined Local Clock" in the NTP documentation.
>
> Say I don't know if a clock is better than the other, so by configuring
> B and C to use A as server I risk to have a not so good time if A is
> unreliable.
>
> Can I configure A,B,C to peer with each other in a meshed fashion, so
> to have each clock influenced by all the others? From what I read I
> should use the following configuration file on each host:
>
> ========== /etc/ntp.conf ======
> server 127.127.1.0
> peer hostA
> peer hostB
> peer hostC
> ==================
>
> would it work? Is it the best way to obtain the "best" time assuming
> I don't know if a clock is better than another?

    IMO, NTP is not appropriate for this type of configuration.

    DS





More information about the questions mailing list