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Open Issues

Learn about open issues in Junos OS Release 21.4R3 for vMX Virtual Router.

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

Platform and Infrastructure

  • In VMX platform, after a system reboot, the Protect-RE filter on lo0 interface is no longer applied. This issue has been fixed in 17.1R1 and later releases. A commit full can clear the issue. PR1604401

  • On vMX, the "input fifo errors" drops reported under pfe shell "show ifd" but not seen in "show interface extensive" output. PR1642426

  • On vMX, the blockpointer in the ktree is getting corrupted leading to core-file generation. There is no function impact such as fpc restart or system down and the issue is not seen in hardware setups. PR1525594