Chronyd is not synchronizing with NTP server.

Solution Verified - Updated -

Issue

  • Why is time is not in sync with ntp server . The output is reporting reach value is 0

    # chronyc -n sources -v
    
    MS Name/IP address         Stratum Poll Reach LastRx Last sample
    ===============================================================================
    ^? x.x.x.x                  0  10     0     -     +0ns[   +0ns] +/-    0ns
    ^? x.x.x.x                  0  10     0     -     +0ns[   +0ns] +/-    0ns
    ^? x.x.x.x                  0  10     0     -     +0ns[   +0ns] +/-    0ns
    
  • Reach value of 0 indicates that the ntp client is unable to connect to the ntp servers at port 123.

Environment

  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • Chronyd

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