[ntp:questions] Double "prefer" configuration

David L. Mills mills at udel.edu
Mon Mar 5 16:06:50 UTC 2007


Eugen,

The prefer scheme is not designed for more than one candidate. If more 
than one peer is so designated, the code chooses the last one in the 
configuration file.

Dave

Eugen COCA wrote:

> After severeal hours things looks like this:
> 
> ntpq> pe
>      remote     refid  st t when poll reach   delay   offset  jitter
> ==============================================================================
>  GPS_NMEA(1)     .GPS.  0 l  85h   64    0    0.000    0.000   0.004
>  ptbtime1.ptb.de .PTB.  1 u   57  256  377   56.491   -0.062   0.132
>  ntps1-1.cs.tu-b .PPS.  1 u  116  256  377   57.161    0.827   0.225
>  ntp-p1.obspm.fr .1PPS. 1 u   65  256  373   57.027    0.541   5.938
>  gps-2.mit.edu   .GPS.  1 u  125  256  377  133.034    2.194   0.270
> oPPS(1)          .PPS.  0 l   10   16  377    0.000    0.000   0.004
>  ntp2.usv.ro     .PPS.  1 u   61   64  377    0.198    0.003   0.007
>  ntp3.usv.ro     .PPS.  1 u   14   64  377    0.240    0.003   0.005
>  ptbtime2.ptb.de .PTB.  1 u   33  256  377   55.610    1.183   0.334
>  gps-1.mit.edu   .GPS.  1 u   84  256  377  132.648    2.118   0.369
> 
> 
> Is there anybody able to emmit an oppinion if this configuration (with
> two prefer weywords) is good enough for a stable server ?
> 




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