[ntp:questions] Clock Offset

Mischanko, Edward T Edward.Mischanko at arcelormittal.com
Sat Dec 22 03:24:17 UTC 2012



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> Subject: Re: [ntp:questions] Clock Offset
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> Mischanko, Edward T wrote:
> > ntpq> peers
> >      remote           refid     st t when poll reach delay
> offset jitter
> >
> ================================================================
> ========
> > #XXX.XXX.0.1     XXX.XXX.104.1   4 u   81  256  377  1.229 -
> 0.089 1.032
> ...
> > #na-mc-ads01v.mi XXX.XXX.250.248 4 u  189  256  377  1.530 -
> 0.315 3.858
> > ntpq> rv
> > associd=0 status=0615 leap_none, sync_ntp, 1 event,
> clock_sync,
> > version="ntpd 4.2.7p335 at 1.2483-o Dec 18 15:57:25.96 (UTC-
> 06:00) 12  (1)",
> > processor="x86", system="Windows", leap=00, stratum=5,
> precision=-19,
> > rootdelay=17.559, rootdisp=157.869, refid=XXX.XXX.121.1,
> > reftime=d47cefe7.6ab0443f  Wed, Dec 19 2012 20:01:11.416,
> > clock=d47ceff7.50f120f0  Wed, Dec 19 2012 20:01:27.316,
> peer=30980, tc=8,
> > mintc=3, offset=-0.157823, frequency=1.480,
> sys_jitter=0.148133,
> > clk_jitter=0.383, clk_wander=0.023, tai=35,
> leapsec=201207010000,
> > expire=201212280000, ctr_frequency=-1.68
> > ntpq>
> >
> > Notice individual selected peers have positive offsets,
> >  but my clock offset after averaging is negative?
> 
> Try something like:
> ntpq -clas -clpe -c "rv &0" -c "rv &1" -c "rv &2" -c "rv &3" -c
> "rv &4" -c "rv &5" -c "rv &6" -c "rv &7" -c "rv &8" -c "rv &9" -
> c "rv &10" -c "rv &11" -c "rv &12" -c "rv &13" -c "rv &14" -c
> "rv &15" -c "rv &16" -c "rv &17" -c "rv &18" -c "rv &19" -c "rv
> &20" -c "rv &21" -c "rv &22" -c "rv &23" -c "rv &24" -c "rv &25"
> -c "rv &26" -c "rv &27" -c "rv &28" -c "rv &29"
> 
>  and look at the filtoffset(s)
> 
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[Mischanko, Edward T] 

I'm sorry; I do not understand your reply.  The command prompt of Windows XP will not let me use more than one modifier at a time and I don't know why?  That is why I typed two commands, one right after the other.

Regards,
Ed


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