Re: [ntp:questions] restrict source available from which version?

2016-12-30 Thread Ask Bjørn Hansen
t option? Considering that a significant > part of NTP traffic is from ntpdate (which sends four packets in 2s > interval) and that most Linux distributions seem to use iburst in their > default ntp.conf, I think it could be recommended to everyone. Hmm, I could get convinced of that. Ask ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] Leap-second test with ntpd

2015-02-24 Thread Ask Bjørn Hansen
> On Feb 23, 2015, at 6:38 PM, Ask Bjørn Hansen wrote: > > >> On Feb 23, 2015, at 4:37 PM, Harlan Stenn wrote: >> >> You might not need orphan mode at all - just the plain local refclock >> driver. >> >> You might also just need a "customiz

Re: [ntp:questions] Leap-second test with ntpd

2015-02-24 Thread Ask Bjørn Hansen
maxpoll 5 fudge 127.127.1.1 stratum 4 leapfile "/etc/ntp/leap-seconds.list" The documentation[1] says that “orphan mode” is the replacement for the local clock, so that’s why I tried that too. (It also says that since 4.2.5p101 ntpd can run in “pure orphan mode”, so that’s why I tr

[ntp:questions] Leap-second test with ntpd

2015-02-23 Thread Ask Bjørn Hansen
y reaching a real clock before it'll give up and trust the local clock, but I keep getting "127.0.0.1: Server dropped: Server has gone too long without sync" from ntpd. What am I missing? Ask faketime# ntpq -c pe -n remote

Re: [ntp:questions] Pool monitoring

2013-04-23 Thread Ask Bjørn Hansen
e same server, on the same physical connection, > gets randomly different monitoring times/scores depending on whether IPv4 or > (native) IPv6 is used. Yeah, I see that a lot. The IPv4 and IPv6 internet are surprisingly different. On my roadmap are tools to help spot these t

Re: [ntp:questions] dns resolve issues for pool.ntp.org

2012-11-13 Thread Ask Bjørn Hansen
ommit/3124a4df94f54d18dd74776a0197eacb52850fa1 Since then Israel has also gotten a couple of servers active in the pool: http://www.pool.ntp.org/zone/il Ask ___ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions

Re: [ntp:questions] General ntp architecture question

2010-08-16 Thread ask
On Aug 2, 1:35 am, konsu wrote: > Hello list, > > I work for an investment bank with 300 UNIX servers, around 3000 > workstation PCs and would like to ask some questions to more > experience users. > > a) Are there any banks relying on ntp pool project or should we > con

Re: [ntp:questions] Proposed NTP solution for a network

2009-03-10 Thread Ask Bjørn Hansen
oopstats file. (I've no idea if that's "proper logging"). It generates graphs from them, too. An example here: http://tmp.askask.com/2009/03/loopstat9669.gif In my limited experience their support is really very excellent; I'd recomme

Re: [ntp:questions] Very rapid polling

2009-03-10 Thread Ask Bjørn Hansen
mple). I don't think have ever gotten consensus on what strategy works the best. - ask ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] What is the "best" synchronization possible over the network?

2009-03-10 Thread ask
eugene...@sbcglobal.net wrote: > On Feb 10, 5:30 pm, n...@tla.org (John Ioannidis) wrote: > > The problem setup: two locations, both within the United States, neither > > has roof access so no GPS reception is possible.  How do you synchronize > > them with better than 50-microsecond accuracy?   >

Re: [ntp:questions] Rude rackety customers

2007-12-01 Thread ask
can be a good way to get a bunch of "random clients" connecting and still be able to turn off the server again after some time. - ask ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] pool.ntp.org large spikes?

2007-09-17 Thread ask
em in early August, but never heard back from any of them. - ask ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions

Re: [ntp:questions] pool.ntp.org large spikes?

2007-09-17 Thread ask
5 seconds. If possible you should make sure that the ntp traffic bypasses your firewall state and nat rules. There isn't any worthwhile state to be kept, just allow udp/123 in and out. - ask ___ questions mailing list questions@lists.ntp.org

Re: [ntp:questions] More Granularity in the US in the NTP Pool

2007-09-17 Thread ask
ould make them eventually pool towards the "best" servers should be a concern, considering the objective of the pool (spread out traffic so The Best Servers won't get hopelessly overloaded). - ask > The probability that "all these clients"

Re: [ntp:questions] More Granularity in the US in the NTP Pool

2007-09-17 Thread ask
give you servers in "your country", rather than random ones from around the world. - ask ___ questions mailing list questions@lists.ntp.org https://lists.ntp.org/mailman/listinfo/questions