[ntp:questions] Re: NTP "maximum error" on local network

ajit.warrier at gmail.com ajit.warrier at gmail.com
Thu May 18 15:25:55 UTC 2006


------------------ client 1 -----
# ntpq -pcrv
     remote           refid      st t when poll reach   delay   offset
jitter
==============================================================================
*192.168.2.2     .NIST.           1 u    8   16  377    0.316   -0.004
 0.049
assID=0 status=0644 leap_none, sync_ntp, 4 events,
event_peer/strat_chg,
version="ntpd 4.2.0a at 1:4.2.0a+stable-8-r Fri Sep  9 16:44:48 UTC 2005
(1)"?,
processor="i686", system="Linux/2.6.14-ck1", leap=00, stratum=2,
precision=-18, rootdelay=0.311, rootdispersion=23.428, peer=30804,
refid=192.168.2.2,
reftime=c8170ae1.7219220f  Thu, May 18 2006 11:01:53.445, poll=4,
clock=0xc8170b1d.39cd0bb6, state=4, offset=-0.008, frequency=212.134,
noise=0.006, jitter=0.214, stability=0.176

----------- client 2 --------------

# ntpq -pcrv
     remote           refid      st t when poll reach   delay   offset
jitter
==============================================================================
*192.168.2.2     .NIST.           1 u    -   16  377    0.327   -0.010
 0.103
assID=0 status=06b4 leap_none, sync_ntp, 11 events,
event_peer/strat_chg,
version="ntpd 4.2.0a at 1:4.2.0a+stable-8-r Fri Sep  9 16:44:48 UTC 2005
(1)"?,
processor="i686", system="Linux/2.6.14-ck1", leap=00, stratum=2,
precision=-18, rootdelay=0.327, rootdispersion=22.889, peer=7436,
refid=192.168.2.2,
reftime=c8170e61.c989df11  Thu, May 18 2006 11:16:49.787, poll=4,
clock=0xc8170e75.fd7a13c2, state=4, offset=-0.010, frequency=183.551,
noise=0.005, jitter=0.103, stability=0.165

-------- server --------------

# ntpq -pcrv
     remote           refid      st t when poll reach   delay   offset
jitter
==============================================================================
*LOCAL(1)        .NIST.           0 l   18   64  377    0.000    0.000
 0.004
assID=0 status=0544 leap_none, sync_local_proto, 4 events,
event_peer/strat_chg,
version="ntpd 4.2.0a at 1.1190-r Fri Sep 23 21:02:05 EDT 2005 (1)"?,
processor="i686", system="Linux/2.6.16.14", leap=00, stratum=1,
precision=-18, rootdelay=0.000, rootdispersion=12.198, peer=11860,
refid=NIST, reftime=c8170f79.d6b87379  Thu, May 18 2006 11:21:29.838,
poll=10, clock=0xc8170f8b.90c7b02d, state=4, offset=0.000,
frequency=0.000, noise=0.000, jitter=0.004, stability=0.000

-------------------------------------------------------------

I am trying to build an isolated system, disconnected from the rest of
the internet, so I set the REFID to "NIST" and stratum to 0. If this is
a stupid thing to do, please let me know :)




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