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    quality-level (Clock Class Mapping PTP Slave)


    quality-level (prc | prs |sec | smc | ssu-a | ssu-b | st2 | st3 | st3e | st4 | stu | tnc);

    Hierarchy Level

    Release Information

    Statement introduced in Junos OS Release 12.1.

    Statement introduced in Junos OS Release 12.2 for ACX Series Routers.


    Configure the quality level for the timing source so that the router knows the best available source with which to synchronize. The quality level specifies the accuracy level of the clock.


    prc—Timing quality of a primary reference clock (option-1 only).

    prs—Clock traceable to a primary reference source (option-2 only).

    sec—Timing quality of an SDH equipment clock (option-1 only).

    smc— Clock traceable to a self-timed SONET (option-2 only).

    ssu-a—Timing quality of a type I or IV slave clock (option-1 only).

    ssu-b—Timing quality of a type VI slave clock (option-1 only).

    st2—Clock traceable to Stratum 2 (option-2 only).

    st3—Clock traceable to Stratum 3 (option-2 only).

    st3e—Clock traceable to Stratum 3E (option-2 only).

    st4—Clock traceable to Stratum 4 free-run (option-2 only).

    stu—Clock traceable to an unknown quality (option-2 only).

    tnc—Clock traceable to a transit node clock (option-2 only).

    Required Privilege Level

    routing—To view this statement in the configuration.

    routing-control—To add this statement to the configuration.

    Modified: 2017-09-13