12-06-2011 06:26 PM - edited 03-04-2019 02:32 PM
Hi guys,
Have some questions regarding NTP. I have two routers, one is synched the other will not to the same server. Both routers have the same static routes configured.
Also I have four NTP servers listed and only one appears sane. I have put the ouput of sh ntp associations detail below. I am new to NTP so maybe they are not suppose to become synched unless the first goes down? But I am not sure. Any help would be great.
203.221.91.147 configured, insane, invalid, unsynced, stratum 16
ref ID 0.0.0.0, time 00000000.00000000 (10:00:00.000 QLD Mon Jan 1 1900)
our mode client, peer mode unspec, our poll intvl 1024, peer poll intvl 1024
root delay 0.00 msec, root disp 0.00, reach 0, sync dist 187.500
delay 0.00 msec, offset 0.0000 msec, dispersion 16000.00
precision 2**5, version 3
org time 00000000.00000000 (10:00:00.000 QLD Mon Jan 1 1900)
rcv time 00000000.00000000 (10:00:00.000 QLD Mon Jan 1 1900)
xmt time D28948FC.5AD01680 (12:07:56.354 QLD Wed Dec 7 2011)
filtdelay = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
filtoffset = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
filterror = 16000.0 16000.0 16000.0 16000.0 16000.0 16000.0 16000.0 16000.0
203.161.12.165 configured, our_master, sane, valid, stratum 2
ref ID 130.95.179.80, time D28948E3.6AAEA5FB (12:07:31.416 QLD Wed Dec 7 2011)
our mode client, peer mode server, our poll intvl 512, peer poll intvl 512
root delay 2.01 msec, root disp 35.57, reach 343, sync dist 6076.355
delay 72.54 msec, offset 4.8177 msec, dispersion 6002.75
precision 2**23, version 3
org time D2894C5E.679EF542 (12:22:22.404 QLD Wed Dec 7 2011)
rcv time D2894C5E.6FAC90B3 (12:22:22.436 QLD Wed Dec 7 2011)
xmt time D2894C5E.5D18C2D9 (12:22:22.363 QLD Wed Dec 7 2011)
filtdelay = 72.54 65.96 0.00 0.00 65.48 64.73 66.02 65.52
filtoffset = 4.82 0.33 0.00 0.00 0.43 0.88 0.24 0.34
filterror = 0.02 7.83 16000.0 16000.0 39.08 42.98 50.80 58.61
203.221.91.146 configured, insane, invalid, unsynced, stratum 16
ref ID 0.0.0.0, time 00000000.00000000 (10:00:00.000 QLD Mon Jan 1 1900)
our mode client, peer mode unspec, our poll intvl 1024, peer poll intvl 1024
root delay 0.00 msec, root disp 0.00, reach 0, sync dist 187.500
delay 0.00 msec, offset 0.0000 msec, dispersion 16000.00
precision 2**5, version 3
org time 00000000.00000000 (10:00:00.000 QLD Mon Jan 1 1900)
rcv time 00000000.00000000 (10:00:00.000 QLD Mon Jan 1 1900)
xmt time D2894C75.5D8C2B8C (12:22:45.365 QLD Wed Dec 7 2011)
filtdelay = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
filtoffset = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
filterror = 16000.0 16000.0 16000.0 16000.0 16000.0 16000.0 16000.0 16000.0
194.35.252.7 configured, insane, invalid, unsynced, stratum 16
ref ID 0.0.0.0, time 00000000.00000000 (10:00:00.000 QLD Mon Jan 1 1900)
our mode client, peer mode unspec, our poll intvl 1024, peer poll intvl 1024
root delay 0.00 msec, root disp 0.00, reach 0, sync dist 1099.533
delay 0.00 msec, offset 0.0000 msec, dispersion 16000.00
precision 2**5, version 3
org time 00000000.00000000 (10:00:00.000 QLD Mon Jan 1 1900)
rcv time 00000000.00000000 (10:00:00.000 QLD Mon Jan 1 1900)
xmt time D28949D5.5B43B5CB (12:11:33.356 QLD Wed Dec 7 2011)
filtdelay = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
filtoffset = 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
filterror = 16000.0 16000.0 16000.0 16000.0 16000.0 16000.0 16000.0 16000.0
12-07-2011 08:27 PM
Time servers.
12-07-2011 08:27 PM
in config mode:
no ntp server 203.161.12.165 prefer
That should knock it down. Might be worth the effort to get onto ttp://support.ntp.org/bin/view/Servers/StratumOneTimeServers and grab the time from them as well. The problem with free services is every now and then they go down.
Tony
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