[ntp:questions] Helped needed with a "falseticker"
mlawdawg at yahoo.com
mlawdawg at yahoo.com
Mon Jun 13 23:43:05 UTC 2005
I could use some help in determining why one of my NTP machines is
being labelled a "falseticker". Here's my test configuration:
Five NTP hosts running NTP 4.2.0 ported to vxWorks. Hosts are a mix of
MIPs proprietary hw and x86 pc's. All 5 are PEERs.
The same 5 NTP hosts are each client's to the same 2 stratum 1 SERVERs.
NTP Hosts:
A: 192.168.3.77
B: 192.168.14.50
C: 192.168.2.112
D: 192.168.3.123
E: 192.168.11.8
Internet NTP Servers (NIST):
1: 69.25.96.13
2: 207.126.98.204
I've included below ntpq output for each of the 5 nodes. I'd like to
know why Node E is declared a "falseticker" by nodes A, B, & C; but,
NOT by node D. One pattern I noticed is that Node E is listed with the
the largest positive offset by all the other nodes.
Thanks,
Mark
11-> ntpq
ntpq> pe
remote refid st t when poll reach delay offset
jitter
==============================================================================
*69.25.96.13 .ACTS. 1 u 150 1024 277 19.976 -13.619
18.246
+207.126.98.204 .ACTS. 1 u 640 1024 377 19.976 -16.593
11.688
-192.168.14.50 69.25.96.13 2 u 614 1024 276 19.920 -41.434
30.016
+192.168.2.112 207.126.98.204 2 u 526 1024 376 19.999 -6.380
19.972
+192.168.3.123 69.25.96.13 2 u 554 1024 377 7.813 -28.851
39.978
x192.168.11.8 69.25.96.13 2 u 255 1024 277 7.813 49.560
34.921
ntpq> as
ind assID status conf reach auth condition last_event cnt
===========================================================
1 49612 b644 yes yes none sys.peer reachable 4
2 49613 b444 yes yes none candidat reachable 4
3 49614 f3d4 yes yes ok outlyer reachable 13
4 49615 f464 yes yes ok candidat reachable 6
5 49616 f4f4 yes yes ok candidat reachable 15
6 49617 f194 yes yes ok falsetick reachable 9
ntpq> rv 49612
status=b644 reach, conf, sel_sys.peer, 4 events, event_reach,
srcadr=69.25.96.13, srcport=123, dstadr=192.168.3.77, dstport=123,
leap=00, stratum=1, precision=-18, rootdelay=0.000,
rootdispersion=0.000, refid=ACTS, reach=277, unreach=0, hmode=3,
pmode=4, hpoll=10, ppoll=10, flash=00 ok, keyid=0, ttl=0,
offset=-13.619, delay=19.976, dispersion=24.715, jitter=18.246,
reftime=c6583026.7d24d099 Mon, Jun 13 2005 16:17:42.488,
org=c658303d.56d4a1ad Mon, Jun 13 2005 16:18:05.339,
rec=c658303d.5cdfc066 Mon, Jun 13 2005 16:18:05.362,
xmt=c658303d.57c10814 Mon, Jun 13 2005 16:18:05.342,
filtdelay= 19.98 19.97 19.98 19.97 19.98 19.97 19.97
19.99,
filtoffset= -13.62 -31.87 -45.46 -59.76 -54.42 -49.19 -38.64
-33.35,
filtdisp= 9.74 25.13 40.50 55.85 71.19 86.57 117.30
132.63
ntpq> rv 49617
status=f194 reach, conf, auth, sel_falsetick, 9 events, event_reach,
srcadr=192.168.11.8, srcport=123, dstadr=192.168.3.77, dstport=123,
leap=00, stratum=2, precision=-7, rootdelay=7.813,
rootdispersion=129.257, refid=69.25.96.13, reach=277, unreach=0,
hmode=1, pmode=1, hpoll=10, ppoll=10, flash=00 ok, keyid=65535, ttl=0,
offset=49.560, delay=7.813, dispersion=32.313, jitter=34.921,
reftime=c6582f63.88475f6e Mon, Jun 13 2005 16:14:27.532,
org=c6582fd4.9514e30b Mon, Jun 13 2005 16:16:20.582,
rec=c6582fd4.8864df38 Mon, Jun 13 2005 16:16:20.532,
xmt=c6582dd6.12a25060 Mon, Jun 13 2005 16:07:50.072,
filtdelay= 7.81 7.81 10.08 7.81 20.02 7.81 20.01
7.81,
filtoffset= 49.56 14.64 4.60 -15.46 -10.46 -20.45 -10.45
-20.47,
filtdisp= 17.55 32.94 48.30 63.69 79.00 94.39 109.77
125.11
ntpq> rv
status=06f4 leap_none, sync_ntp, 15 events, event_peer/strat_chg,
version="4.2.0", processor="x86", system="i686-pc-cygwin", leap=00,
stratum=2, precision=-7, rootdelay=19.976, rootdispersion=92.933,
peer=49612, refid=69.25.96.13,
reftime=c658303d.5cdfc066 Mon, Jun 13 2005 16:18:05.362, poll=10,
clock=c65830f3.1532d96e Mon, Jun 13 2005 16:21:07.082, state=4,
offset=-15.535, frequency=-77.384, jitter=34.578, stability=0.832
ntpq> q
11-> ntpq "192.168.14.50"
ntpq> pe
remote refid st t when poll reach delay offset
jitter
==============================================================================
*69.25.96.13 .ACTS. 1 u 703 1024 377 7.813 29.060
9.647
+207.126.98.204 .ACTS. 1 u 764 1024 377 7.813 36.439
7.813
+192.168.2.112 207.126.98.204 2 u 742 1024 376 7.813 25.131
7.813
+192.168.3.77 69.25.96.13 2 u 684 1024 357 7.813 51.434
9.960
-192.168.3.123 69.25.96.13 2 u 760 1024 376 7.813 2.549
20.015
x192.168.11.8 69.25.96.13 2 u 397 1024 277 7.813 86.024
9.997
ntpq> as
ind assID status conf reach auth condition last_event cnt
===========================================================
1 57116 b6f4 yes yes none sys.peer reachable 15
2 57117 b4f4 yes yes none candidat reachable 15
3 57118 f4f4 yes yes ok candidat reachable 15
4 57119 f4f4 yes yes ok candidat reachable 15
5 57120 f3f4 yes yes ok outlyer reachable 15
6 57121 f1f4 yes yes ok falsetick reachable 15
ntpq> rv 57116
status=b6f4 reach, conf, sel_sys.peer, 15 events, event_reach,
srcadr=69.25.96.13, srcport=123, dstadr=192.168.14.50, dstport=123,
leap=00, stratum=1, precision=-18, rootdelay=0.000,
rootdispersion=0.000, refid=ACTS, reach=377, unreach=0, hmode=3,
pmode=4, hpoll=10, ppoll=10, flash=00 ok, keyid=0, ttl=0,
offset=29.060,
delay=7.813, dispersion=24.410, jitter=9.647,
reftime=c6582e20.7d556084 Mon, Jun 13 2005 16:09:04.489,
org=c6582e5c.3d8a32f4 Mon, Jun 13 2005 16:10:04.240,
rec=c6582e5c.3618f9e0 Mon, Jun 13 2005 16:10:04.211,
xmt=c6582e5c.3618f9e0 Mon, Jun 13 2005 16:10:04.211,
filtdelay= 7.81 7.81 19.97 7.81 7.81 7.81 7.81
7.81,
filtoffset= 29.06 19.41 33.77 66.49 58.34 46.99 42.16
37.48,
filtdisp= 9.74 25.13 40.47 55.85 71.19 86.54 94.23
101.94
ntpq> rv 57121
status=f1f4 reach, conf, auth, sel_falsetick, 15 events, event_reach,
srcadr=192.168.11.8, srcport=123, dstadr=192.168.14.50, dstport=123,
leap=00, stratum=2, precision=-7, rootdelay=7.813,
rootdispersion=128.220, refid=69.25.96.13, reach=277, unreach=0,
hmode=1, pmode=1, hpoll=10, ppoll=10, flash=00 ok, keyid=65535, ttl=0,
offset=86.024, delay=7.813, dispersion=32.274, jitter=9.997,
reftime=c6582f63.88475f6e Mon, Jun 13 2005 16:14:27.532,
org=c6582f8f.95142c29 Mon, Jun 13 2005 16:15:11.582,
rec=c6582f8f.7dc6d494 Mon, Jun 13 2005 16:15:11.491,
xmt=c6582f61.70fa07bc Mon, Jun 13 2005 16:14:25.441,
filtdelay= 7.81 7.81 7.81 7.81 7.81 7.81 7.81
7.81,
filtoffset= 86.02 76.03 80.98 101.03 86.03 76.03 56.03
51.02,
filtdisp= 17.55 32.91 48.30 63.67 79.00 94.38 109.73
117.43
ntpq> rv
status=06f4 leap_none, sync_ntp, 15 events, event_peer/strat_chg,
version="4.2.0", processor="mips", system="i686-pc-cygwin", leap=00,
stratum=2, precision=-7, rootdelay=7.813, rootdispersion=112.469,
peer=57116, refid=69.25.96.13,
reftime=c6582e5c.3618f9e0 Mon, Jun 13 2005 16:10:04.211, poll=10,
clock=c658313d.d4d147be Mon, Jun 13 2005 16:22:21.831, state=4,
offset=32.496, frequency=-5.446, jitter=29.103, stability=1.618
ntpq> q
11-> ntpq "192.168.2.112"
ntpq> pe
remote refid st t when poll reach delay offset
jitter
==============================================================================
+69.25.96.13 .ACTS. 1 u 997 1024 377 19.973 -7.931
7.813
*207.126.98.204 .ACTS. 1 u 16 1024 377 19.975 4.148
7.813
+192.168.14.50 69.25.96.13 2 u 753 1024 277 7.813 -25.121
9.966
-192.168.3.77 69.25.96.13 2 u 139 1024 377 7.813 16.388
7.813
+192.168.3.123 69.25.96.13 2 u 688 1024 377 7.813 -12.589
29.948
x192.168.11.8 69.25.96.13 2 u 437 1024 277 7.813 55.906
7.813
ntpq> as
ind assID status conf reach auth condition last_event cnt
===========================================================
1 45012 b454 yes yes none candidat reachable 5
2 45013 b654 yes yes none sys.peer reachable 5
3 45014 f4f4 yes yes ok candidat reachable 15
4 45015 f354 yes yes ok outlyer reachable 5
5 45016 f4f4 yes yes ok candidat reachable 15
6 45017 f194 yes yes ok falsetick reachable 9
ntpq> rv 45013
status=b654 reach, conf, sel_sys.peer, 5 events, event_reach,
srcadr=207.126.98.204, srcport=123, dstadr=192.168.2.112, dstport=123,
leap=00, stratum=1, precision=-18, rootdelay=0.000,
rootdispersion=0.000, refid=ACTS, reach=377, unreach=0, hmode=3,
pmode=4, hpoll=10, ppoll=10, flash=00 ok, keyid=0, ttl=0, offset=4.148,
delay=19.975, dispersion=24.523, jitter=7.813,
reftime=c658310d.b3baa9b4 Mon, Jun 13 2005 16:21:33.702,
org=c658313f.75e7ea5f Mon, Jun 13 2005 16:22:23.460,
rec=c658313f.7766a377 Mon, Jun 13 2005 16:22:23.466,
xmt=c658313f.7247eb25 Mon, Jun 13 2005 16:22:23.446,
filtdelay= 19.98 19.97 19.97 19.98 19.98 19.98 19.98
19.98,
filtoffset= 4.15 -0.69 -4.07 -9.55 2.17 13.54 7.12
2.09,
filtdisp= 9.74 25.08 40.47 55.86 71.25 86.61 101.96
117.30
ntpq> rv 45017
status=f194 reach, conf, auth, sel_falsetick, 9 events, event_reach,
srcadr=192.168.11.8, srcport=123, dstadr=192.168.2.112, dstport=123,
leap=00, stratum=2, precision=-7, rootdelay=7.813,
rootdispersion=128.387, refid=69.25.96.13, reach=277, unreach=0,
hmode=1, pmode=1, hpoll=10, ppoll=10, flash=00 ok, keyid=65535, ttl=0,
offset=55.906, delay=7.813, dispersion=32.264, jitter=7.813,
reftime=c6582f63.88475f6e Mon, Jun 13 2005 16:14:27.532,
org=c6582f9a.9514e323 Mon, Jun 13 2005 16:15:22.582,
rec=c6582f9a.86c2cc7f Mon, Jun 13 2005 16:15:22.526,
xmt=c6582f68.84372ae1 Mon, Jun 13 2005 16:14:32.516,
filtdelay= 7.81 20.00 7.81 20.00 7.81 9.94 7.81
19.94,
filtoffset= 55.91 55.93 35.93 35.83 35.83 40.90 15.90
25.90,
filtdisp= 17.55 32.89 48.27 63.64 78.98 94.33 109.72
117.41
ntpq> rv
status=06f4 leap_none, sync_ntp, 15 events, event_peer/strat_chg,
version="4.2.0", processor="x86", system="i686-pc-cygwin", leap=00,
stratum=2, precision=-7, rootdelay=19.975, rootdispersion=76.687,
peer=45013, refid=207.126.98.204,
reftime=c658313f.7766a377 Mon, Jun 13 2005 16:22:23.466, poll=10,
clock=c6583164.01a41419 Mon, Jun 13 2005 16:23:00.006, state=4,
offset=-5.035, frequency=-60.326, jitter=31.243, stability=0.470
ntpq> q
11-> ntpq "192.168.3.123"
ntpq> pe
remote refid st t when poll reach delay offset
jitter
==============================================================================
*69.25.96.13 .ACTS. 1 u 754 1024 367 7.813 11.448
22.563
+207.126.98.204 .ACTS. 1 u 793 1024 377 7.813 20.121
25.726
-192.168.14.50 69.25.96.13 2 u 799 1024 277 7.813 -17.608
35.084
+192.168.2.112 207.126.98.204 2 u 809 1024 376 29.943 27.615
29.882
+192.168.3.77 69.25.96.13 2 u 782 1024 376 40.080 48.827
34.962
-192.168.11.8 69.25.96.13 2 u 943 1024 376 9.991 73.421
15.025
ntpq> as
ind assID status conf reach auth condition last_event cnt
===========================================================
1 61820 b6f4 yes yes none sys.peer reachable 15
2 61821 b4f4 yes yes none candidat reachable 15
3 61822 f3f4 yes yes ok outlyer reachable 15
4 61823 f4f4 yes yes ok candidat reachable 15
5 61824 f4f4 yes yes ok candidat reachable 15
6 61825 f3f4 yes yes ok outlyer reachable 15
ntpq> rv 61820
status=b6f4 reach, conf, sel_sys.peer, 15 events, event_reach,
srcadr=69.25.96.13, srcport=123, dstadr=192.168.3.123, dstport=123,
leap=00, stratum=1, precision=-18, rootdelay=0.000,
rootdispersion=0.000, refid=ACTS, reach=367, unreach=0, hmode=3,
pmode=4, hpoll=10, ppoll=10, flash=00 ok, keyid=0, ttl=0,
offset=11.448,
delay=7.813, dispersion=26.375, jitter=22.563,
reftime=c6582e62.7d3ef6b5 Mon, Jun 13 2005 16:10:10.489,
org=c6582e8e.62a8650e Mon, Jun 13 2005 16:10:54.385,
rec=c6582e8e.5fb965c7 Mon, Jun 13 2005 16:10:54.373,
xmt=c6582e8e.5fb965c7 Mon, Jun 13 2005 16:10:54.373,
filtdelay= 7.81 7.81 7.81 7.81 7.81 7.81 7.81
7.81,
filtoffset= 11.45 34.01 56.21 32.74 51.58 46.95 64.78
53.23,
filtdisp= 9.74 25.08 40.44 71.19 86.55 101.91 117.29
132.66
ntpq> rv 61825
status=f3f4 reach, conf, auth, sel_outlyer, 15 events, event_reach,
srcadr=192.168.11.8, srcport=123, dstadr=192.168.3.123, dstport=123,
leap=00, stratum=2, precision=-7, rootdelay=7.813,
rootdispersion=135.483, refid=69.25.96.13, reach=376, unreach=1,
hmode=1, pmode=1, hpoll=10, ppoll=10, flash=00 ok, keyid=65535, ttl=0,
offset=73.421, delay=9.991, dispersion=32.303, jitter=15.025,
reftime=c6582b62.cad75fee Mon, Jun 13 2005 15:57:22.792,
org=c6582dd2.084802e5 Mon, Jun 13 2005 16:07:46.032,
rec=c6582dd1.f6c3a7f5 Mon, Jun 13 2005 16:07:45.963,
xmt=c6582ddb.fbdbd360 Mon, Jun 13 2005 16:07:55.983,
filtdelay= 9.99 7.81 7.81 7.81 7.81 7.81 7.81
7.81,
filtoffset= 73.42 88.45 83.47 68.49 68.43 68.48 68.45
63.47,
filtdisp= 17.55 32.91 48.28 63.66 79.02 94.42 109.75
125.10
ntpq> rv
status=06f4 leap_none, sync_ntp, 15 events, event_peer/strat_chg,
version="4.2.0", processor="mips", system="i686-pc-cygwin", leap=00,
stratum=2, precision=-7, rootdelay=7.813, rootdispersion=108.781,
peer=61820, refid=69.25.96.13,
reftime=c6582e8e.5fb965c7 Mon, Jun 13 2005 16:10:54.373, poll=10,
clock=c658319f.b4311f9a Mon, Jun 13 2005 16:23:59.703, state=4,
offset=20.366, frequency=-4.453, jitter=34.920, stability=1.499
ntpq> q
11-> ntpq "192.168.11.8"
ntpq> pe
remote refid st t when poll reach delay offset
jitter
==============================================================================
*69.25.96.13 .ACTS. 1 u 584 1024 377 7.813 -56.123
7.813
+207.126.98.204 .ACTS. 1 u 660 1024 377 7.813 -48.130
9.793
-192.168.14.50 69.25.96.13 2 u 586 1024 376 7.813 -81.029
7.813
+192.168.2.112 207.126.98.204 2 u 579 1024 376 9.942 -50.901
7.813
+192.168.3.77 69.25.96.13 2 u 981 1024 176 29.920 -34.599
30.001
-192.168.3.123 69.25.96.13 2 u 975 1024 377 7.813 -68.471
14.951
ntpq> as
ind assID status conf reach auth condition last_event cnt
===========================================================
1 51404 b694 yes yes none sys.peer reachable 9
2 51405 b494 yes yes none candidat reachable 9
3 51406 f3f4 yes yes ok outlyer reachable 15
4 51407 f4c4 yes yes ok candidat reachable 12
5 51408 f4d4 yes yes ok candidat reachable 13
6 51409 f3f4 yes yes ok outlyer reachable 15
ntpq> rv 51404
status=b694 reach, conf, sel_sys.peer, 9 events, event_reach,
srcadr=69.25.96.13, srcport=123, dstadr=192.168.11.8, dstport=123,
leap=00, stratum=1, precision=-18, rootdelay=0.000,
rootdispersion=0.000, refid=ACTS, reach=377, unreach=0, hmode=3,
pmode=4, hpoll=10, ppoll=10, flash=00 ok, keyid=0, ttl=0,
offset=-56.123, delay=7.813, dispersion=24.416, jitter=7.813,
reftime=c6582f22.7d3d5347 Mon, Jun 13 2005 16:13:22.489,
org=c6582f63.79ea465a Mon, Jun 13 2005 16:14:27.476,
rec=c6582f63.88475f6e Mon, Jun 13 2005 16:14:27.532,
xmt=c6582f63.88475f6e Mon, Jun 13 2005 16:14:27.532,
filtdelay= 7.81 7.81 7.81 7.81 7.81 7.81 7.81
7.81,
filtoffset= -56.12 -49.53 -43.41 -37.10 -30.81 -24.42 -21.32
-17.72,
filtdisp= 9.74 25.11 40.49 55.88 71.27 86.66 94.37
102.08
ntpq> rv
status=06f4 leap_none, sync_ntp, 15 events, event_peer/strat_chg,
version="4.2.0", processor="mips", system="i686-pc-cygwin", leap=00,
stratum=2, precision=-7, rootdelay=7.813, rootdispersion=136.583,
peer=51404, refid=69.25.96.13,
reftime=c6582f63.88475f6e Mon, Jun 13 2005 16:14:27.532, poll=10,
clock=c65831bc.f3cd3434 Mon, Jun 13 2005 16:24:28.952, state=4,
offset=-51.128, frequency=-23.911, jitter=36.649, stability=0.897
ntpq> q
More information about the questions
mailing list