[ntp:questions] why is my pool server's offset so bad
Dennis Hilberg, Jr.
timekeeper at dennishilberg.com.invalid
Thu Jan 31 06:07:58 UTC 2008
Pat Farrell wrote:
> Well, its gotten bad again. I had it working well for a few days.
> But lately, the offsets are diving down. See
> Clearly something is wrong.
saturn:$ ntpq -p 184.108.40.206
remote refid st t when poll reach delay offset jitter
ntp-2.cns.vt.ed 220.127.116.11 2 u 32h 64 0 17.908 -0.296 0.000
ntp-4.cns.vt.ed 18.104.22.168 2 u 32h 64 0 18.567 0.637 0.000
ancalagon.cede. .INIT. 16 u - 1024 0 0.000 0.000 0.000
prometheus.acm. .Ïôð. 16 u 32h 64 0 0.000 0.000 0.000
time-b.nist.gov .ACTS. 1 u 32h 64 0 13.555 6.162 0.000
The reachability column for each upstream server is at zero, indicating that
ntpd can't connect to those servers. Your system clock has been wandering
for approx. the last 32 hours, which is about the same time your offset
history began to take a dive.
Have you inadvertently blocked outbound traffic on 123/UDP? I can query
your server just fine, so inbound is not a problem.
Dennis Hilberg, Jr. \ timekeeper(at)dennishilberg(dot)com
NTP Server Information: \ http://saturn.dennishilberg.com/ntp.php
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