[ntp:questions] NTP on local network

Danny Mayer mayer at ntp.isc.org
Sun Feb 17 02:27:27 UTC 2008


venu gopal wrote:
> Hi,
> 
> As per the ntpq output given, the initial offset is too high (in bold
> below).
> 
> ntpq> rv 12516
> status=9014 reach, conf, 1 event, event_reach,
> srcadr=MAIL, srcport=123, dstadr=192.168.4.18, dstport=123, leap=00,
> stratum=2, precision=-6, rootdelay=31.250, rootdispersion=10932.175,
> refid=DC1, reach=377, unreach=0, hmode=3, pmode=4, hpoll=6, ppoll=6,
> flash=00 ok, keyid=0, ttl=0, *offset=3604309.724*, delay=0.240,
> dispersion=20.390, jitter=11.206,
> reftime=cb5bd42e.a7f3e6ed  Tue, Feb 12 2008 11:45:42.656,
> org=cb5bd4bb.8004493a  Tue, Feb 12 2008 11:48:03.500,
> rec=cb5bc6a7.2da250f8  Tue, Feb 12 2008 10:47:59.178,
> xmt=cb5bc6a7.2d8f605a  Tue, Feb 12 2008 10:47:59.177,
> filtdelay=     0.29    0.32    0.28    0.33    0.29    0.29    0.34
> 0.24,
> filtoffset= 3604321 3604321 3604312 3604321 3604321 3604321 3604321
> 3604309,
> filtdisp=     15.63   16.60   17.59   18.58   19.57   20.53   21.49
> 22.45
> 
> 
> Before starting 'ntpd' use  'ntpdate' at the clients to nullify this initial
> high
> offset.
> 

No, just add -g to the ntpd startup command line. There is no need for 
ntpdate.

Danny



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