Stratum 0 - no server suitable for synchronizationfound - NTP

This is a discussion on Stratum 0 - no server suitable for synchronizationfound - NTP ; Hello, follow below more detail : bash-2.05# /usr/local/bin/ntptrace localhost localhost: stratum 1, offset -0.000004, root distance 0.000000, refid 'WWVB' bash-2.05# bash-2.05# /usr/local/bin/ntpdate -q localhost Looking for host localhost and service ntp host found : localhost server ::1, stratum 0, offset ...

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Thread: Stratum 0 - no server suitable for synchronizationfound

  1. Stratum 0 - no server suitable for synchronizationfound

    Hello,

    follow below more detail :

    bash-2.05# /usr/local/bin/ntptrace localhost
    localhost: stratum 1, offset -0.000004, root distance 0.000000, refid 'WWVB'
    bash-2.05#

    bash-2.05# /usr/local/bin/ntpdate -q localhost
    Looking for host localhost and service ntp
    host found : localhost
    server ::1, stratum 0, offset 0.000000, delay 0.00000
    15 Sep 15:19:00 ntpdate[2045]: no server suitable for synchronization found

    bash-2.05# /usr/local/bin/ntpq
    ntpq> pe
    remote refid st t when poll reach delay offset jitter
    ================================================== ============================
    SPECTRACOM(2) .WWVB. 0 l 20d 64 0 0.000 0.000 4000.00
    host1 .STEP. 16 u - 1024 0
    0.000 0.000 4000.00
    ntpq> as
    ind assID status conf reach auth condition last_event cnt
    ================================================== =========
    1 27436 8053 yes yes none reject lost reach 5
    2 27437 8000 yes yes none reject
    ntpq> rv 27436
    status=8053 unreach, conf, 5 events, event_unreach,
    srcadr=SPECTRACOM(2), srcport=123, dstadr=127.0.0.1, dstport=123,
    leap=11, stratum=0, precision=-13, rootdelay=0.000,
    rootdispersion=0.000, refid=WWVB, reach=000, unreach=0, hmode=3,
    pmode=4, hpoll=6, ppoll=6, flash=00 ok, keyid=0, ttl=0, offset=0.000,
    delay=0.000, dispersion=0.000, jitter=4000.000,
    reftime=c89b38a3.00439ce2 Sat, Aug 26 2006 18:16:19.001,
    org=00000000.00000000 Thu, Feb 7 2036 4:28:16.000,
    rec=00000000.00000000 Thu, Feb 7 2036 4:28:16.000,
    xmt=c8b56d4a.db8f8bc1 Fri, Sep 15 2006 15:19:54.857,
    filtdelay= 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00,
    filtoffset= 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00,
    filtdisp= 16000.0 16000.0 16000.0 16000.0 16000.0 16000.0 16000.0 16000.0
    ntpq> cl 27436
    status=0303 clk_fault, last_clk_fault,
    device="Spectracom WWVB/GPS Receivers",
    timecode="? 06 258 18:20:09.001 S", poll=40169, noreply=0, badformat=0,
    baddata=0, fudgetime1=0.000, stratum=0, refid=WWVB, flags=0

    Anyone know why the values/variables have the value "0" ?

    What can be wrong?

    I really appreciate some help.

    Thanks anyway,

    Marcos Luiz Onisto
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  2. Re: Stratum 0 - no server suitable for synchronization found

    your 'reach' values are all 0, which means you have received no timing data
    from any of your servers.

    If ntpdate says "no server suitable for synchronization found" it means that
    the machines you are asking for the time are unsync'd too, and cannot tell
    you the time.

    Have you seen http://ntp.isc.org/Support ?

    H

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