Why are you doing this? restrict 10.2.3.5
This is the server you want your clients to sync to, isn't it? 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 > Riccardo Castellani > Sent: Tuesday, May 21, 2013 6:58 AM > To: questions@lists.ntp.org > Subject: [ntp:questions] Offset is always increasing > > I'm using n. 1 ntp server (XNTPD daemon on HP-UX, called FORCLIENTS, > > 192.168.1.240) for my clients and I'm obtaining the message > "synchronization > lost" about every 20 minutes. > Source time is another server (MASTER) on my lan > which updates its time > directly from Internet servers. > > > MASTER is OK > > FORCLIENTS has a high offset ! > > > ntp.conf of FORCLIENTS (192.168.1.240): > > > restrict default ignore > server 10.2.3.5 > driftfile /etc/ntp.drift > restrict > 127.0.0.1 > restrict 127.127.1.1 > restrict 10.2.3.5 > restrict 192.168.1.240 > > restrict 192.168.0.0 mask 255.255.0.0 nomodify noquery > server 127.127.1.1 > fudge > 127.127.1.1 stratum 10 # show poor quality > > > > ntp.conf of MASTER (10.2.3.5): > > > restrict default ignore > restrict 127.0.0.1 > restrict 192.168.1.240 mask > 255.255.255.255 nomodify > restrict ntp1.inrim.it mask 255.255.255.255 nomodify > noquery notrap nopeer > restrict ntp2.inrim.it mask 255.255.255.255 nomodify > noquery notrap nopeer > restrict ntp1.fau.de mask 255.255.255.255 nomodify > noquery notrap nopeer > restrict ntp2.nl.net mask 255.255.255.255 nomodify > noquery notrap nopeer > restrict 127.127.1.0 mask 255.255.255.255 > server ntp1. > inrim.it > server ntp2.inrim.it > server ntp1.fau.de > server ntp2.nl.net > server > 127.127.1.0 > fudge 127.127.1.0 > driftfile /var/lib/ntp/drift > > > > > > > > My server log > shows: > > > 20 May 14:38:20 xntpd[19386]: synchronized to LOCAL(1), stratum=10 > 20 > May 14:39:23 xntpd[19386]: synchronized to 10.2.3.5, stratum=2 > 20 May 14:54:18 > xntpd[19386]: time reset (step) -1.014343 s > 20 May 14:54:18 xntpd[19386]: > synchronisation lost > 20 May 14:58:35 xntpd[19386]: synchronized to LOCAL(1), > stratum=10 > 20 May 14:59:38 xntpd[19386]: synchronized to 10.2.3.5, stratum=2 > 20 > May 15:14:33 xntpd[19386]: time reset (step) -1.010761 s > 20 May 15:14:33 xntpd > [19386]: synchronisation lost > 20 May 15:16:08 xntpd[13208]: logging to file > /var/adm/syslog/ntp.log > 20 May 15:16:08 xntpd[13208]: tickadj = 625, tick = > 10000, tvu_maxslew = > 61875 > 20 May 15:16:08 xntpd[13208]: precision = 6 usec > 20 > May 15:17:29 xntpd[14031]: logging to file /var/adm/syslog/ntp.log > 20 May 15:17: > 29 xntpd[14031]: tickadj = 625, tick = 10000, tvu_maxslew = > 61875 > 20 May 15:17: > 29 xntpd[14031]: precision = 10 usec > 20 May 15:21:46 xntpd[14031]: synchronized > to 10.2.3.5, stratum=2 > 20 May 15:21:46 xntpd[14031]: time reset (step) > -0.216182 s > 20 May 15:21:46 xntpd[14031]: synchronisation lost > 20 May 15:26:03 > xntpd[14031]: synchronized to LOCAL(1), stratum=10 > 20 May 15:27:06 xntpd > [14031]: synchronized to 10.2.3.5, stratum=2 > 20 May 15:42:01 xntpd[14031]: time > reset (step) -1.005840 s > 20 May 15:42:01 xntpd[14031]: synchronisation lost > 20 > May 15:46:18 xntpd[14031]: synchronized to LOCAL(1), stratum=10 > 20 May 15:47:21 > xntpd[14031]: synchronized to 10.2.3.5, stratum=2 > 20 May 16:02:16 xntpd[14031]: > time reset (step) -1.009925 s > 20 May 16:02:16 xntpd[14031]: synchronisation > lost > 20 May 16:06:33 xntpd[14031]: synchronized to LOCAL(1), stratum=10 > 20 May > 16:07:36 xntpd[14031]: synchronized to 10.2.3.5, stratum=2 > > > > nptd -qn shows: > > > > > remote refid st t when poll reach delay offset > disp > > ========================================================================== > == > == > > 10.2.3.5 193.204.114.232 2 u 16 64 7 1.92 -158.96 3927.72 > 127.127.1.1 > 127.127.1.1 10 l 15 64 17 0.00 0.000 > 1885.01 > > > > My time source server is ok > (10.2.3.5) and I can exclude problems into my > lan. > > > > remote local st poll > reach delay offset disp > > ======================================================================= > =ntp1. > nl.uu.net 10.2.3.5 1 1024 377 0.04411 -0.003625 0.12183 > =ntp1.inrim.it 10.2.3.5 > 1 1024 377 0.01971 -0.000409 0.12172 > *ntp2.inrim.it 10.2.3.5 1 1024 377 0.01923 > -0.000046 0.12175 > =LOCAL(0) 127.0.0.1 10 64 377 0.00000 0.000000 0.03072 > =ntp1. > rrze.uni-e 10.2.3.5 1 1024 377 0.05191 -0.009084 0.12178 > > > > > > Can you indicate > suggestions please ? The problem is Offset bigger 128 ms > ?!?! Offset is > increasing until to 700-800 ms. > > I run ntpdate to update immediately clock and > I can see small offset but > after few minutes grows again until to exceed 128 > ms. > > How can I solve it ? > _______________________________________________ > 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