To expound upon Yu’s comment. If you don’t have access to the firewall, a good check would be to conduct a test against each of your targeted NTP servers with the “ntpdate -d” command, which is the debug switch and will let you know if you can or cannot reach the intended systems.
-Dallas > On May 13, 2015, at 8:54 AM, Wang, Yu <ywan...@fsu.edu> wrote: > > Do your ntp servers have public IP addresses configured or do you do NAT for > the two ntp servers? 10.126.142.198 and 10.126.142.204 are private addresses > and won't be routed over the Internet. > The second place to check is firewall. Make sure it opens to upd/123 between > your ntp servers and outside ntp servers. > > Yu > Core Networking, FSU > > > -----Original Message----- > From: questions [mailto:questions-bounces+ywang10=fsu....@lists.ntp.org] On > Behalf Of Chandrakanth K > Sent: Wednesday, May 13, 2015 7:52 AM > To: questions@lists.ntp.org > Subject: [ntp:questions] NTP not syncing to configured servers > > Hi, > > I am seeing ntp not syncing to external configured servers. We tried both > 4.2.4 and 4.2.6 versions. > The following is the configuration, > > We use two servers 10.126.142.198 and 10.126.142.204 in our Lab. > They are statically configured as running @ stratum level 5 and providing the > clock from its own local clock. > > Even though the servers does not have a valid reference time and provides > time from its own clock, according to me still we need to be able to sync to > it since it is running at better stratum. > Please clarify. > > Logs: > ------------------------- > > bash-4.2$ ntpq -np -c assoc > remote refid st t when poll reach delay offset jitter > ============================================================================== > *127.127.1.0 .LOCL. 10 l 19 64 377 0.000 0.000 0.001 > 10.126.142.198 LOCAL(0) 6 u 7 16 377 0.172 859.844 > 0.501 > 10.126.142.204 LOCAL(0) 6 u 15 16 377 0.227 1057.22 > 0.240 > > ind assID status conf reach auth condition last_event cnt > =========================================================== > 1 26554 9614 yes yes none sys.peer reachable 1 > 2 26555 9014 yes yes none reject reachable 1 > 3 26556 9014 yes yes none reject reachable 1 > > Logs: 10.126.142.198 > ----------------------------------- > bash-4.2$ ntpq -np -c assoc > remote refid st t when poll reach delay offset jitter > ============================================================================== > *127.127.1.0 .LOCL. 5 l 10 64 377 0.000 0.000 0.000 > > ind assid status conf reach auth condition last_event cnt > =========================================================== > 1 48508 965a yes yes none sys.peer sys_peer 5 > > > Logs: 10.126.142.204 > ----------------------------------- > > bash-4.2$ ntpq -np -c assoc > remote refid st t when poll reach delay offset jitter > ============================================================================== > *127.127.1.0 .LOCL. 5 l 13 64 377 0.000 0.000 0.000 > > ind assid status conf reach auth condition last_event cnt > =========================================================== > 1 32737 963a yes yes none sys.peer sys_peer 3 > > > Regards > Chandrakanth > _______________________________________________ > 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 _______________________________________________ questions mailing list questions@lists.ntp.org http://lists.ntp.org/listinfo/questions