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Known Limitations

Learn about limitations in this release for ACX Series routers.

For the most complete and latest information about known Junos OS Evolved defects, use the Juniper Networks online Junos Problem Report Search application.

General Routing

  • ACX7024:ACX7100-48L:: PTP to PTP noise transfer fails for the following frequencies:

    • 0.03125 HZ

    • 0.123125 HZ

    PR1608786

  • syncE to PTP and syncE to 1pps noise transfer fails for the following frequencies on ACX7100-48L:

    • 0.00781 HZ

    • 0.00781 HZ

    • 0.01563 HZ

    • 0.03125 HZ

    • 0.06156 HZ

    • 0.12313 HZ

    PR1608866

  • syncE to PTP and syncE to 1pps transient response marginally fails. This happens when the servo gets the initial 100ns jump in one measurement window and the next 100ns in the next measurement window adjusting less initially. PR1608934

  • On ACX7100-48L or ACX7024, enabling or disabling of PTP TC or BC causes all interfaces to flap at the same time.PR1609927

  • ACX7100-32C: PTP to PTP noise transfer fails for frequency 0.03125 HZ. PR1611838

  • G.8275.1- G.8273.2 1PPS cTE performance might be outside class-C when using channelized 10G ports for PTP BC on ACX7100-32C. On each reboot, the 1PPS cTE measurement might be within the class-C measurement threshold, or might randomly be out of it by a few nanoseconds.PR1629819

  • G.8275.1- G.8273.2 Packet cTE performance might be outside class-C when using channelized 25G ports with 100G ports for PTP BC on ACX7100-32C. On each reboot, the Packet cTE measurement might be within the class-C measurement threshold, or might randomly be out of it by a few nanoseconds.PR1637268

  • SyncE and Hybrid PTP is not supported on the 1G interface on ACX7024. PR1644975

  • ACX7024: syncE to PTP and syncE to 1pps noise transfer tests fails for the following frequencies:

    • 0.00781 HZ

    • 0.01563 HZ

    • 0.03125 HZ

    • 0.06156 HZ

    • 0.12313 HZ

    PR1649055

  • The timingd restart is not supported on ACX7024. PR1651554

  • G.8275.1.enh 2Way cTE performance might be outside class-C when using channelized 25G ports with 40G ports for PTP BC on ACX7100-32C. On each reboot, the 2Way cTE measurement might be within the class-C measurement threshold, or might randomly be out of it by a few nanoseconds.PR1662367

  • The request system snapshot command is not supported on ACX7024. PR1686610

Routing Protocols

  • When NSR is enabled on routers with non-forwarding routing-instance having BGP peers, the BGP peers in that instance are not successfully replicated to the backup RPD. PR1648707