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Forum Discussion

krgraham's avatar
krgraham
Tutor
Oct 25, 2017

CM1000 SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing

Using this modem with Comcast/Xfinity. Recently I started getting log messages "SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing"   Download speed it good and everythi...
Troubleshooting
DarrenM's avatar
DarrenM
Sr. NETGEAR Moderator
Oct 26, 2017

Have you ran speed tests and ping tests and you are having no performance issues?

 

DarrenM

  • krgraham's avatar
    krgraham
    Tutor
    Oct 27, 2017

    No performance issues at all. Ping tests and speedtests are all up to spec. Only problem shows up in logs and issue that devices which don't have their own date/time settings are apparently receiving erronious values.

    • vkdelta's avatar
      vkdelta
      NETGEAR Employee Retired
      Oct 27, 2017

      hi, most likely there was maitenance done in your area which brought down CMTS Line card. 

       

      Are you seeing this every day ? or just couple of times? 

      • krgraham's avatar
        krgraham
        Tutor
        Oct 28, 2017

        This is always happening, i.e. it's the only entries in the Log which repeats regularly.