# Define MAC addresses for Ethernet rules

MAC Address elements are used to match a certain source or destination MAC address in the Ethernet rules.

##

The MAC Address element defines the MAC (Media Access Control) address of a network card.

For more details about the product and how to configure features, click Help or press F1.

## Steps

1. Select Engine.
2. Expand the Other Elements branch.
3. Right-click MAC Addresses and select New MAC Address.
4. Name the element.
5. Enter the MAC Address. You can enter any valid MAC address including, for example, the broadcast address (ff:ff:ff:ff:ff:ff).
6. Click OK.

## MAC Address Properties dialog box

Use this dialog box to define the properties of a MAC Address element.

Option | Definition
--- | ---
Name | The name of the element.
Comment (Optional) | A comment for your own reference.
Address | The MAC address. Accepts any valid MAC address, including the broadcast address (ff:ff:ff:ff:ff:ff).