High Availability
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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.]