On May 24, 8:09 pm, "Richard B. Gilbert" <[EMAIL PROTECTED]> wrote: > Dave wrote: > > On May 23, 1:16 pm, "Richard B. Gilbert" <[EMAIL PROTECTED]> > > wrote: > > >>Dave wrote: > > >>>I'm experiencing large values of dispersion when I use 'ntpq -p': > > >>>3:22pm:ntp>ntpq -p > >>> remote refid st t when poll reach delay > >>>offset disp > >>>============================================================================== > >>>*10.2.100.10 .GPS. 1 u 25 64 377 0.46 > >>>943.557 439.36 > >>>3:22pm:ntp> > > >>> but when I look at the peerstats log file, my dispersion is low: > > >>>3:22pm:ntp>tail /var/ntp/ntpstats/peerstats.log > >>>54243 54804.018 10.2.100.10 9634 0.617563 0.00046 0.31154 > >>>54243 54868.013 10.2.100.10 9634 0.813226 0.00043 0.32210 > >>>54243 54932.018 10.2.100.10 9634 0.099169 0.00046 0.55225 > >>>54243 54996.010 10.2.100.10 9634 0.300057 0.00047 0.28690 > >>>54243 55060.014 10.2.100.10 9634 0.584358 0.00044 0.31111 > >>>54243 55124.009 10.2.100.10 9634 0.781632 0.00047 0.32353 > >>>54243 55188.014 10.2.100.10 9634 0.065932 0.00043 0.55287 > >>>54243 55252.013 10.2.100.10 9634 0.657674 0.00044 0.37859 > >>>54243 55316.018 10.2.100.10 9634 0.943557 0.00046 0.43936 > >>>54243 55380.013 10.2.100.10 9634 0.139388 0.00044 0.59772 > >>>3:23pm:ntp> > > >>> I'm also concerned with the large amount of maximum/estimated error > >>>when I use the xntpdc command 'kerninfo': > > >>>xntpdc> kerninfo > >>>pll offset: 0 us > >>>pll frequency: -391.137 ppm > >>>maximum error: 524704 us > >>>estimated error: 408368 us > >>>status: 0089 > >>>pll time constant: 2 > >>>precision: 1 us > >>>frequency tolerance: 512 ppm > >>>pps frequency: 0.000 ppm > >>>pps stability: 512.000 ppm > >>>pps jitter: 200 us > >>>calibration interval: 4 s > >>>calibration cycles: 0 > >>>jitter exceeded: 0 > >>>stability exceeded: 0 > >>>calibration errors: 0 > >>>xntpdc> > > >>>Here is the output of the pstats command: > > >>>xntpdc> pstats 10.2.100.10 > >>>remote host: 10.2.100.10 > >>>local interface: 10.2.100.5 > >>>time last received: 3s > >>>time until next send: 61s > >>>reachability change: 2947s > >>>packets sent: 59 > >>>packets received: 59 > >>>bad authentication: 0 > >>>bogus origin: 0 > >>>duplicate: 0 > >>>bad dispersion: 15 > >>>bad reference time: 0 > >>>candidate order: 1 > >>>xntpdc> > > >>>And lastly, my ntp.conf file: > > >>>3:25pm:inet>more ntp.conf > >>>server 10.2.100.10 # NTP server > > >>>driftfile /etc/ntp.drift # Drift available for next restart > >>>logfile /var/ntp/ntp.log # NTP logging > > >>>statsdir /var/ntp/ntpstats/ > >>>statistics loopstats peerstats clockstats > >>>filegen loopstats file loopstats.log type day link enable > >>>filegen peerstats file peerstats.log type day link enable > >>>filegen clockstats file clockstats.log type day link enable > >>>3:25pm:inet> > > >>>Anyone have any ideas? I have a GPS signal coming in to a Brandywine > >>>NTA-100, which is configured at 10.2.100.10. Thanks in advance! > > >>If you are using "X"ntpdc you would appear to be using a version that > >>may be as much as ten years old! Just what are you using and what are > >> you running it on? > > > Wow you're right. Heres the version printout: > > xntpdc 3-5.93e Mon Sep 20 15:47:24 PDT 1999 (1) > > > I'm running this on a Sun Fire 4200, Solaris 10. Something this old > > comes installed on Solaris 10? > > Yup! > > I think it has something to do with the fact that there is, as yet, no > RFC for NTP V4. There is a committee, God help us, working on one. I > think it has been about a year now with no visible results! > > I'd suggest grabbing a more recent version of the code from somewhere. > Sun Freeware and Blastwave sites should both have Solaris versions more > recent than what Sun ships. There have been quite a few fixes and > enhancements since 3-5.93e. > > If you want/are able to build your own, try the ntp.org web site; there > are links there to download the source to the stable and development > versions which are, I believe, at 4.2.something.
I just downloaded ntp v4.2.4 from sunfreeware.com and I'll give that a try. I'll let you know how it goes! _______________________________________________ questions mailing list [email protected] https://lists.ntp.isc.org/mailman/listinfo/questions
