Uma arquitetura distribuída de serviço NTP

Reunião do GT-ER

19/08/1999

Página 9

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Um exemplo prático inicial


#show ntp status

Clock is synchronized, stratum 3, reference is 143.108.13.45

nominal freq is 250.0000 Hz, actual freq is 250.0004 Hz, precision is 2**19

reference time is BB6695BE.6C2A5571 (11:39:58.422 BRZ Thu Aug 19 1999)

clock offset is -14.44 msec, root delay is 337.19 msec

root dispersion is 75.74 msec, peer dispersion is 2.98 msec


#show ntp associations

address ref clock st when poll reach delay offset disp

*~143.108.13.45 128.115.14.97 2 33 64 377 8.7 -14.44 5.8

~200.145.81.10 200.145.1.10 4 180 1024 376 18.9 -0.29 68.3

* master (synced), # master (unsynced), + selected, - candidate, ~ configured


#sh ntp associations detail

143.108.13.45 configured, our_master, sane, valid, stratum 2

ref ID 128.115.14.97, time BB668C4B.71A94D11 (10:59:39.443 BRZ Thu Aug 19 1999)

our mode client, peer mode server, our poll intvl 64, peer poll intvl 64

root delay 328.49 msec, root disp 58.32, reach 377, sync dist 230.560

delay 11.23 msec, offset -8.971 msec, dispersion 2.38

precision 2**19, version 3

org time BB6697BE.66340903 (11:48:30.399 BRZ Thu Aug 19 1999)

rcv time BB6697BE.6B1CC805 (11:48:30.418 BRZ Thu Aug 19 1999)

xmt time BB6697BE.665D281E (11:48:30.399 BRZ Thu Aug 19 1999)

filtdelay = 18.40 11.23 22.55 8.53 11.26 6.27 201.49 16.59

filtoffset = -9.97 -8.97 -15.19 -8.22 -7.88 -9.19 86.58 -7.02

filterror = 0.00 0.98 1.95 2.93 3.91 4.88 5.86 6.84

200.145.81.10 configured, insane, invalid, stratum 4

ref ID 200.145.1.10, time BB669731.8054E57C (11:46:09.501 BRZ Thu Aug 19 1999)

our mode active, peer mode active, our poll intvl 1024, peer poll intvl 256

root delay 405.59 msec, root disp 172.59, reach 377, sync dist 453.476

delay 100.48 msec, offset 49.741 msec, dispersion 27.56

precision 2**19, version 3

org time BB6697AB.8105280A (11:48:11.503 BRZ Thu Aug 19 1999)

rcv time BB6697AB.8125DE65 (11:48:11.504 BRZ Thu Aug 19 1999)

xmt time BB669731.66BC7ACF (11:46:09.401 BRZ Thu Aug 19 1999)

filtdelay = 100.48 316.65 100.34 418.35 314.03 133.54 220.12 239.76

filtoffset = 49.74 162.81 27.28 215.80 159.29 53.85 80.08 99.95

filterror = 1.86 5.29 8.94 12.85 16.75 20.07 22.02 23.97

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