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Network Management and Monitoring

  • 1:N port mirroring for sending a source packet to multiple Layer 2 destinations (EX3400, EX4100, EX4300-MP, and EX4400 switches)—Starting in Junos OS Release 22.4R1, you can use the 1:N port mirroring feature to mirror traffic to multiple Layer 2 destinations, by configuring one or both of the following configurations:

    • A port-mirroring instance that is based on a firewall filter. Use the configuration statements in the [edit forwarding-options port-mirroring instance] hierarchy.

    • A native analyzer. Use the configuration statements in the [edit forwarding-options analyzer] hierarchy.

    For both configuration methods, you must also configure next-hop groups with a group type of layer-2 to direct the mirrored packets to their destinations.