[ntp:questions] PPS only configuration

Edward T. Mischanko etm1962 at hotmail.com
Tue Jan 15 18:48:12 UTC 2013


How do I configure NTPD so that only the PPS offset is used to figure the 
clock offset, instead of factoring in the surviving back-up servers that 
have bigger offsets?  I only want the back-up servers to come into play 
when, or if, the PPS fails.

#
enable pps
enable kernel
enable ntp
tos minclock 4
tos minsane 3
tinker huffpuff 7200
#
driftfile "/var/db/ntpd.drift"
leapfile "/usr/home/ed/leap-seconds"
#
enable stats
statistics loopstats
statsdir "/usr/home/ed"
filegen loopstats file loop type day
#
server 127.127.20.0 mode 18 minpoll 3 prefer
fudge 127.127.20.0 time2 0.374000
server 127.127.22.0 minpoll 3
fudge 127.127.22.0 flag2 0 flag3 1
server 192.168.1.254 iburst minpoll 6 maxpoll 6
server tick.cerias.purdue.edu iburst minpoll 6 maxpoll 6
server tock.cerias.purdue.edu iburst minpoll 6 maxpoll 6
server tack.cerias.purdue.edu iburst minpoll 6 maxpoll 6
server nist1-chi.ustiming.org iburst minpoll 6 maxpoll 6
server nist.expertsmi.com iburst minpoll 6 maxpoll 6
server nist.netservicesgroup.com iburst minpoll 6 maxpoll 6
server ntp.your.org iburst minpoll 6 maxpoll 6
server navobs1.wustl.edu iburst minpoll 6 maxpoll 6
server utcnist2.colorado.edu iburst minpoll 6 maxpoll 6
server time-a.timefreq.bldrdoc.gov iburst minpoll 6 maxpoll 6
server ntp1.conectiv.com iburst minpoll 6 maxpoll 6
server east-pool.ustiming.org iburst minpoll 6 maxpoll 6
# 



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