ntp

From: Jens Petter Eikeland (jenseike@start.no)
Date: Wed Apr 26 2006 - 03:52:38 GMT-3


Hi group

 

Question about NTP. I am using one router as a ntp server. This router is
gettinig its time from a stratum 1 server.

 

What I think is strange about this is that the time I get shows 5 min slow.
why can that be, is this normal?

 

This is ntp config

 

ntp server 193.212.1.10

ntp server 193.71.1.10

ntp server 194.248.117.123

ntp server 129.242.4.254

 

this ishow command

 

core#sh ntp status

Clock is synchronized, stratum 2, reference is 194.248.117.123

nominal freq is 250.0000 Hz, actual freq is 249.9987 Hz, precision is 2**18

reference time is C7F99278.9BEF6799 (08:32:24.609 summer Wed Apr 26 2006)

clock offset is -0.1683 msec, root delay is 25.89 msec

root dispersion is 1.91 msec, peer dispersion is 1.62 msec

 

the time 08:32:24 is 5-6 min late.???

 

 

core#sh ntp associations

 

      address ref clock st when poll reach delay offset
disp

+~193.212.1.10 194.248.117.123 2 508 1024 377 7.9 -0.67
0.2

+~193.71.1.10 192.36.144.22 2 615 1024 377 7.7 -0.31
0.5

*~194.248.117.123 .GPS. 1 117 1024 377 27.0 -0.74
0.5

-~129.242.4.254 130.149.17.21 2 324 1024 377 29.3 0.56
0.3

 * master (synced), # master (unsynced), + selected, - candidate, ~
configured

 

core#sh run | in clock

clock timezone CET 1

clock summer-time summer date Mar 26 2006 4:00 Oct 29 2006 4:00

ntp clock-period 17179955

 

 

I am on CET time

 

 

JP



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