> # Configuring a Secondary MAC Address

> ## Detailed Steps

> To allocate secondary MAC addresses using Device Manager, follow these steps:

> 1. Choose FC > Advanced > WWN Manager.

> You see the list of allocated WWNs.

> 2. Supply the BaseMacAddress and MacAddressRange fields.
> 3. Click Apply to save these changes, or click Close to discard any unsaved changes.

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