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Flow-Based and Packet-Based Processing

  • Decouple inet and mpls (SRX300, SRX320, SRX340, SRX345, SRX380, SRX1500, SRX4100, SRX4200, and vSRX3.0)—Starting in Junos OS Release 24.2R1, an SRX Series Firewall working in packet mode does not forward traffic anymore after the Junos OS upgrade. You must configure set security forwarding-options family inet mode packet-based immediately after the Junos upgrade to restore the operation of the device in packet mode.

    The inet family, which was coupled with the mpls family prior to Junos OS Release 24.2R1, is now decoupled from the mpls family. You can enable packet mode for the inet family separately.

    [See Packet-Based Forwarding.]