[Bug 38633] Re: NTP server list includes bad NTP server

[Gary Coady]

run ntpdate -d against both servers:

Against salmon.maths.tcd.ie:

server 134.226.81.11, port 123
stratum 3, precision -20, leap 00, trust 000
refid [134.226.81.11], delay 0.03493, dispersion 0.00267
transmitted 4, in filter 4
reference time:    c7e1a241.78ab3edd  Sat, Apr  8 2006  3:45:21.471
originate timestamp: c7e1a4bf.552f9010  Sat, Apr  8 2006  3:55:59.332
transmit timestamp:  c7e1a4bf.53407032  Sat, Apr  8 2006  3:55:59.325
filter delay:  0.05394  0.04716  0.03493  0.03691
         0.00000  0.00000  0.00000  0.00000
filter offset: 0.010869 0.007762 0.001777 0.001868
         0.000000 0.000000 0.000000 0.000000
delay 0.03493, dispersion 0.00267
offset 0.001777

Against ntp.maths.tcd.ie:

server 134.226.81.3, port 123
stratum 1, precision -18, leap 00, trust 000
refid [GPS], delay 0.11726, dispersion 0.00366
transmitted 4, in filter 4
reference time:    c7e1a479.6389253e  Sat, Apr  8 2006  3:54:49.388
originate timestamp: c7e1a4cb.b0ebbf56  Sat, Apr  8 2006  3:56:11.691
transmit timestamp:  c7e1a4cb.9c72f33c  Sat, Apr  8 2006  3:56:11.611
filter delay:  0.11726  0.12491  0.12656  0.12454
         0.00000  0.00000  0.00000  0.00000
filter offset: 0.026340 0.030680 0.030685 0.030436
         0.000000 0.000000 0.000000 0.000000
delay 0.11726, dispersion 0.00366
offset 0.026340

salmon.maths.tcd.ie is a stratum 3 server, and takes its time information from a number of other servers, including ntp.maths.tcd.ie (a stratum 1 server taking its time from GPS).

Besides that issue, a maths.tcd.ie admin was complaining about it to me early this evening :-)
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NTP server list includes bad NTP server
https://launchpad.net/malone/bugs/38633