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Known Limitations

Learn about known limitations in Junos OS Evolved Release 21.4R1 for QFX Series switches.

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

  • On QFX5700 platforms, the system reboots when faulty FEB is off-lined for recovery. PR1578090

  • 2x200G(QSFP56-DD-2x200GBASE-CR4-CU) channel that is connected with the server through vendor connectX-6 NIC might take extra time for the link to come up. PR1617676