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Multicast

  • IGMP, MLD snooping, and IRB stitching with make-before-break (MBB) (QFX5130-32CD)—Starting in Junos OS Evolved Release 22.1R1, MBB is extended to aggregated Ethernet (AE) member link changes for all Level 2 snooping-based nexthop changes. MBB ensures that all Packet Forwarding Engines (PFE) have a consistent view thereby avoiding traffic loss or duplication.

    MBB for IGMP, MLD snooping, and IRB Stitching supports:

    • Aggregated Ethernet member link addition/deletion
    • Aggregated Ethernet member link enable/disable

    [See IGMP Snooping Overview and Understanding MLD Snooping.]