[Linuxpps] hmmm

Folkert van Heusden folkert at vanheusden.com
Fri May 26 17:03:58 CEST 2006


Hi,

I get this output:

keetweej:/usr/src/ntp-dev-4.2.1p255-RC# ntpq -c pe
     remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
 GPS_NMEA(0)     .GPS.            0 l  142   64    4    0.000  1651.70   0.061
 muur.intranet.v 131.188.3.223    2 u   81   64    2    0.061   17.749   0.061
 thegateap.intra .STEP.          16 u    -   64    0    0.000    0.000   0.000
 auth1.xs4all.nl 193.67.79.202    2 u   61   64    3   15.250    9.069  21.029
 ntp1.nl.uu.net  .GPS.            1 u   26   64    3   39.970   44.336  15.196
 ntp3-rz.rrze.un .DCFp.           1 u   32   64    3   28.781   13.297  16.968
 ntps1-1.cs.tu-b .PPS.            1 u   42   64    1   29.305   27.575   0.061
 ptbtime1.ptb.de .PTB.            1 u   28   64    3   23.522   14.275  16.905

Isn't that offset not very big?

This is my ntp.conf:

pps /dev/gps0 assert hardpps
driftfile /var/lib/ntp/ntp.drift

server 127.127.35.0
fudge 127.127.35.0 flag2 1

server 127.127.20.0 prefer

peer 192.168.64.1
peer 192.168.62.10

server ntp.xs4all.nl iburst
server ntp2.nl.uu.net iburst
server ntp3.fau.de iburst
server ntps1-1.cs.tu-berlin.de iburst
server ptbtime1.ptb.de iburst
restrict default
restrict 127.0.0.1
restrict 192.168.64.99
restrict 192.168.0.0 mask 255.255.0.0



Folkert van Heusden

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