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Hierarchy Level


Configure support for the service creation of flows for inline services sampling. This configuration results in a first-come-first-serve creation of flows. Whichever flow comes first, that is allowed to occupy the flow-table if there is space in the table. Otherwise, the flow is dropped and an error count is created.


You cannot configure the explicit flow-table-sizes because flex-flow-sizing and explicit flow-table-sizes are mutually exclusive.

You need not perform fpc reboot to change from flex to per family configuration.


  • Default: 1K flows for IPv6 and VPLS flows each.

  • Range: 15 through 256K flows for IPv4.

Required Privilege Level

interface—To view this statement in the configuration.

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

Release Information

Statement introduced in Junos OS Release 15.1F5.


Workaround for flex-flow-sizing on MX204 router for releases earlier than Junos OS Release 17.4R2 or Junos OS Release 18R3: