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What does refid value “.LOCL.” mean in NTP

by admin

refid value of “.LOCL.”, means that remote time server is using an undisciplined local clock as a reference and this is not accepted as a reliable time source by ntpd. Therefore ntpd is not syncing with that server.

So the ntpd is up and running but it is not syncing time from the remote time server.

ntpq -pn shows at follows:

# ntpq -pn
---------
   remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
10.1.X.123      .LOCL.           1 u  532 1024  377    0.512  1016.35   0.363

To solve this problem, you can choose to:

  • change time server to “clock.redhat.com” or some other time source in the internet.
  • configure the local timer server with a well-formed time source, such as internet time server, or GPS time, etc.

Filed Under: CentOS/RHEL, Linux

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