[ntp:questions] timing issue with a HP 58534A

Mark C. Stephens marks at non-stop.com.au
Fri Feb 3 19:41:03 UTC 2012


Thanks Dave! I removed the fudge time2 line, it was wandering all over the place.

[root at NTP ~]# ntpq -c "rv 0 version"
version="ntpd 4.2.6p5 at 1.2349-o Thu Feb  2 08:56:24 UTC 2012 (6)"

ntpq> ass

ind assid status  conf reach auth condition  last_event cnt
===========================================================
  1 62329  9024   yes   yes  none    reject   reachable  2
  2 62330  963a   yes   yes  none  sys.peer    sys_peer  3

ntpq> rv 62329
associd=62329 status=9024 conf, reach, sel_reject, 2 events, reachable,
srcadr=GPS_NMEA(0), srcport=123, dstadr=127.0.0.1, dstport=123, leap=00,
stratum=0, precision=-9, rootdelay=0.000, rootdisp=0.000, refid=GPS,
reftime=d2d6b591.7878c755  Sat, Feb  4 2012  6:35:45.470,
rec=d2d6b592.584dc151  Sat, Feb  4 2012  6:35:46.344, reach=377,
unreach=0, hmode=3, pmode=4, hpoll=4, ppoll=4, headway=0,
flash=1000 peer_unreach, keyid=0, ttl=0, offset=529.379, delay=0.000,
dispersion=0.236, jitter=0.035,
filtdelay=     0.00    0.00    0.00    0.00    0.00    0.00    0.00    0.00,
filtoffset=  529.38  529.42  529.37  529.40  529.37  529.33  529.38  529.32,
filtdisp=      0.00    0.24    0.48    0.74    0.96    1.20    1.44    1.68

[root at NTP ~]# cat /etc/ntp.conf
#
keys /etc/ntp/keys
trustedkey 1
requestkey 1
controlkey 1

# GPS NMEA
server 127.127.20.0 mode 16 minpoll 4 maxpoll 4  noselect
#fudge  127.127.20.0 time2 -0.400

# GPS PPS
#server 127.127.22.0 minpoll 4 maxpoll 4 prefer
#fudge  127.127.22.0 flag3 1

#Inhouse reference
server 192.168.5.8 iburst maxpoll 9

logconfig =all
driftfile       /etc/ntp/drift
enable stats
statsdir /var/ntp/stats
statistics loopstats peerstats clockstats



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