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cflowd (Flow Monitoring)


Hierarchy Level


Collect an aggregate of sampled flows and send the aggregate to a specified host system that runs the collection utility cfdcollect.

You can configure up to eight version 5 flow formats at the [edit forwarding-options monitoring group-name output] hierarchy level. Version 8 flow formats are not supported for flow-monitoring applications.

J-Flow does not require a license on SRX devices. J-Flow versions 5, 8, and 9 are supported on SRX series devices.

J-Flow version 9 on standalone devices is supported as of:

  • SRX Branch devices (SRX1x0, SRX2x0, SRX550, SRX650), Junos 10.4
  • SRX-HE devices (SRX1400, SRX3x00, SRX5x00), Junos 12.1X45-D10
  • SRX3x0 & SRX550M, Junos 15.1X49-D30
  • SRX1500, SRX4100, SRX4200, vSRX, 15.1X49-D80
  • SRX4600, Junos 17.4R1-S1

J-Flow version 9 on chassis cluster devices as of:

  • SRX Branch devices (SRX-300/320/340/345/380/550HM), Junos 20.1R1
  • SRX-HE devices (SRX1400, SRX3x00, SRX5x00), Junos 12.1X45-D10
  • SRX1500, SRX4100, SRX4200, vSRX, Junos 15.1X49-D80
  • SRX4600, Junos 17.4R1-S1


hostname—The IP address or identifier of the host system (the workstation running the cflowd utility).

The remaining statements are explained separately. See CLI Explorer.

Required Privilege Level

interface—To view this statement in the configuration.

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

Release Information

Statement introduced before Junos OS Release 7.4.