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High Availability

  • MVPN NSR with BGP sharding enabled (PTX10004, PTX10008, and PTX10016)—Starting in Junos OS Evolved Release 23.1R1, we've enabled multicast virtual private network (MVPN) nonstop active routing (NSR) for border gateway function (BGP) sharding.

    [See Understanding BGP RIB sharding and BGP Update IO thread.]

  • Redundancy support enhancements (ACX7509)—Starting in Junos OS Evolved Release 23.1R1, ACX7509 Series routers have enhanced redundancy support and faster switchover speed. The show system switchover and request chassis routing-engine master switch check commands have been modified to reflect new switchover behavior. Both commands now display the status of the backup FEB and associated PFEs, including the sync status of the PFEs on the backup FEB.

    [See show system switchover.]