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Known Limitations

Learn about known limitations in this release for PTX Series Routers.

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

General Routing

  • When a number of routes resolve over an ECMP path, the inline BFD sessions might flap during "clear isis adjacency" command or RPD restart trigger. PR1612802


  • When upgrading from releases before Junos OS Release 21.2 to Release 21.2 and onward, validation and upgrade might fail. The upgrading requires using of no-validate configuration statement. PR1568757