> # Licensing Requirements for SCSI Flow Services

> The following table shows the licensing requirements for SCSI Flow Services:

> License | License Description
> --- | ---
> ENTERPRIS E_PKG | SCSI flow statistics requires license. Any feature not included in a license package is bundled with the Cisco NX-OS system images and is provided at no extra charge to you. For a complete explanation of the NX-OS licensing scheme, see the Cisco NX-OS Licensing Guide.
> FM_SERVE R_PKG | Traffic Analyzer for SCSI flow statistics requires an Enterprise Services license. For a complete explanation of the NX-OS licensing scheme and how to obtain and apply licenses, see the Cisco NX-OS Licensing Guide.

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