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Open Issues

Learn about open issues 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

  • When optic is removed and FEB is not present, internal serdes are not powered off to reduce FPC power consumption in 21.4. PR1574330

  • On QFX5700 switches, few interfaces are not coming up after removing channelization through single commit that is by using delete interfaces. PR1592238

  • On QFX5700, auto-negotiation is not supported for 100G DAC interfaces. PR1594135

  • In rare situations, a 40G interface might not come up on QFX5700. A device reboot will be required to come out of this situation. PR1637876

Routing Policy and Firewall Filters

  • On QFX5700 when we issue clear firewall all command , the policer statistics are not cleared. User defined policer statistics are removed. PR1581867