[ntp:questions] Reachable and rejected
Steve Kostecke
kostecke at ntp.org
Wed Sep 10 23:20:26 UTC 2008
On 2008-09-10, Dave Close <dave at compata.com> wrote:
> I hope I didn't miss an easy answer while reading the FAQ, list
> archive, and other documents online. I have some systems which are
> separated from their time servers by a NAT proxy. Those which are not
> separated seem to work just fine but those beyond the proxy don't keep
> time correctly. For example, on one of them I got this output:
The system shown below has no problem polling the remote time servers.
So you can rule out NAT as a problem.
> # ntpq -p
> remote refid st t when poll reach delay offset jitter
> ==============================================================
> server-1 172.16.2.5 2 u 52 64 377 2.022 -41630. 19.566
> server-2 172.16.2.5 2 u 6 64 377 2.121 -41601. 19.996
This ntpd was 41.6 seconds away from the those servers at the time this
billboard was taken. That is a very large offset.
I would check in the syslog and see if ntpd is having to step the clock.
If that is the case you need to fix whatever is causing this massive
drift.
--
Steve Kostecke <kostecke at ntp.org>
NTP Public Services Project - http://support.ntp.org/
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