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Known Limitations

Learn about limitations in this release for PTX Series routers.

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

Routing Policy and Firewall Filters

  • If you have multiple except configuration then one of the rules will definitely hit. This is as per ip6tables man page explanation as follows. A firewall rule specifies criteria for a packet, and a target. If the packet does not match, the next rule in the chain is the examined; if it does match, then the next rule is specified by the value of the target, which can be the name of a user-defined chain or one of the special values ACCEPT, DROP, QUEUE, or RETURN. PR1701714

Routing Protocols

  • When routing-options transport-class fallback none is not configured - do not configure more than 10 transport-classes or advertise more than 10 distinct colors in SRTE or FlexAlgo. PR1648490

User Interface and Configuration

  • On all Junos Evolved platforms configured with persist-group-inheritance, which is enabled by default from 19.4R3 onwards, might lead to mustd process crash in highly scaled configuration. PR1638847