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Known Limitations

Learn about limitations in this release for PTX 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

  • Powering up and configuring data path of 400G-ZR and 400G-ZR-M optics is not instant and takes more time comparatively with other optics. So, user has to wait enough time before switching to new speed config. If user switches from one speed to other speed without waiting will lead to interface down. PR1635443