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 [email protected] http://lists.ntp.org/listinfo/questions
