> # Feature History for Port Security

> Table 37-6 lists the release history for this feature. Only features that were introduced or modified in Cisco NX-OS Release 5.x or a later release appear in the table.

> Table 37-6 Feature History for Port Security
> Feature Name | Releases | Feature Information
> --- | --- | ---
> vFC Interfaces | 5.2 | Devices can be bound to vFC interfaces.

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