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Known Limitations

Learn about known limitations in this release for MX Series routers.

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

EVPN

  • EVPN-VXLAN multihome/ESI might have minor loop in some scenarios and might hit duplicate address detection (DAD) on the CE IRB interface with IPv6. PR1619504

General Routing

  • Major alarm with XQCHIP(46):XQ-chip[0]: DROP protect_regs error (status=0x8) logs appears. PR1303489

  • On MX104 routers, the scheduler slips when you commit the configuration changes. PR1361250

  • The lock status of MX-SyncE displays Locked under the chassis synchronization extensive statement when SyncE source fails with DUT configured with G.8275.1 profile. PR1509356

  • LFM might flap during MX Series Virtual Chassis ISSU. PR1516744

  • cRPD supports the show system core-dumps command. PR1546097

  • The MX routers do not support the sFlow egress sampling of MPLS packets. PR1556659

  • The Resource deadlock avoided messages occurs while adding software. PR1557468

  • On MX480 router, sFlow reports incorrect IPTTL value in the reported samples when you enable the sFlow egress sampling on the child interfaces of the aggregated Ethernet interface. PR1559565

  • On MX960 router, the spring-traffic-engineering lsp count is not as expected when validating 32K inter-domain DCPSF lsps. PR1561947

  • Dynamic next-hop tunnel statistics occurs. PR1567227

  • When you issue ISSU from the CLI, FPC restart does not get triggered. PR1572851

  • MX upgrade failure with limited free disk space occurs. PR1582554

  • On MX2010 routers, RPD gets hit hundred percent when you run the ocst polling. PR1614978

Infrastructure

  • The image validation is not supported when you upgrade from Junos OS Release 21.2 or earlier releases to later releases. PR1568757

MPLS

  • The rpd process might crash after you change the network service configuration. PR1461468

  • With the local reversion switched on, the transit router does not inform the head-end of the RSVP disabled link when the link flaps more than once. PR1576979

Network Management and Monitoring

  • Configuring the set system no-hidden-commands command must not block the netconf sessions. PR1590350

Platform and Infrastructure

  • The JTI sensor subscription and the related TCP session appears after you delete, deactivate, or disable the interface. PR1477790

  • On MX10008 router, the following error message appears:

    PR1575316

Routing Protocols

  • On MX480 router, the SLIP messages appear when you test the inline GRE reassembly feature with the GRE interface scaling. PR1581042