I am reconfiguring my NTP servers to be more community friendly. I have found that, pool us.pool.ntp.org iburst preempt, doesn't seem to work as no servers come up to sync to? Any idea why? I am running ntp-dev-4.2.7p343
Regards, Ed > -----Original Message----- > From: questions- > bounces+edward.mischanko=arcelormittal....@lists.ntp.org > [mailto:questions- > bounces+edward.mischanko=arcelormittal....@lists.ntp.org] On > Behalf Of E-Mail Sent to this address will be added to the > BlackLists > Sent: Tuesday, January 15, 2013 4:02 PM > To: questions@lists.ntp.org > Subject: Re: [ntp:questions] PPS only configuration > > Edward T. Mischanko wrote: > > How do I configure NTPD so that only the PPS offset is > > used to figure the clock offset, instead of factoring > > in the surviving back-up servers that have bigger offsets? > > I only want the back-up servers to come into play > > when, or if, the PPS fails. > > ... > > server 127.127.20.0 mode 18 minpoll 3 prefer > > fudge 127.127.20.0 time2 0.374000 > > server 127.127.22.0 minpoll 3 > > fudge 127.127.22.0 flag2 0 flag3 1 > > server 192.168.1.254 iburst minpoll 6 maxpoll 6 > > server tick.cerias.purdue.edu iburst minpoll 6 maxpoll 6 > > server tock.cerias.purdue.edu iburst minpoll 6 maxpoll 6 > > server tack.cerias.purdue.edu iburst minpoll 6 maxpoll 6 > > server nist1-chi.ustiming.org iburst minpoll 6 maxpoll 6 > > server nist.expertsmi.com iburst minpoll 6 maxpoll 6 > > server nist.netservicesgroup.com iburst minpoll 6 maxpoll 6 > > server ntp.your.org iburst minpoll 6 maxpoll 6 > > server navobs1.wustl.edu iburst minpoll 6 maxpoll 6 > > server utcnist2.colorado.edu iburst minpoll 6 maxpoll 6 > > server time-a.timefreq.bldrdoc.gov iburst minpoll 6 maxpoll 6 > > server ntp1.conectiv.com iburst minpoll 6 maxpoll 6 > > server east-pool.ustiming.org iburst minpoll 6 maxpoll 6 > > That seems like excessive stratum ones (except maybe for > testing), > and its unnecessary to lock the minpoll / maxpoll so low, > let ntpd decide how often to poll the offsite servers; > {I can see someone maybe calling your usage perhaps abusive.} > > If you are providing a stratum one to _many_ ntp clients, > perhaps pick one, stratum one close to you, and the pool? > ... prefer your refclocks > server 192.168.1.254 iburst minpoll 6 maxpoll 6 > pool us.pool.ntp.org iburst preempt > server time.slackadelic.com iburst > server tack.cerias.purdue.edu iburst # or Perhaps > # Follow the general > <http://support.ntp.org/bin/view/Servers/RestrictedAccess> > restricted access constraints > # as well as their specific <http://ntp.cerias.purdue.edu/> > restricted access constraints > > > -- > E-Mail Sent to this address <blackl...@anitech-systems.com> > will be added to the BlackLists. > > _______________________________________________ > questions mailing list > questions@lists.ntp.org > http://lists.ntp.org/listinfo/questions _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions