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flow-detection (DDoS Flow Detection)


Hierarchy Level


(MX Series routers with only MPCs, T4000 Core Routers with only FPC5s, or EX9200 switches) Enable flow detection globally for all protocol groups and packet types except the following, which do not have typical Ethernet, IP, or IPv6 headers:

  • Protocol groups: fab-probe, frame-relay, inline-ka, isis, jfm, mlp, pfe-alive, pos, and services.

  • Packet type: unclassified in the ip-options protocol group.

Required Privilege Level

admin—To view this statement in the configuration.

admin-control—To add this statement to the configuration.

Release Information

Statement introduced in Junos OS Release 12.3.

Support for Enhanced Subscriber Management added in Junos OS Release 17.3R1.