# Select a Link Usage Profile element for an NGFW Engine

When you select a Link Usage Profile element in the properties of an NGFW Engine, the settings defined in the Link Usage Profile element are applied to outbound traffic that uses outbound Multi-Link.

## Before you begin

Create a Link Usage Profile element.

##

Note: The Use Default NAT Address for Traffic from Internal Networks option for element-based NAT must be On or Automatic to use a Link Usage Profile for an NGFW Engine.

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

## Steps

1. Select Configuration.
2. Right-click an NGFW Engine, then select Edit <element type>.
3. Browse to Routing > Link Usage.
4. From the Link Usage Profile drop-down list, select a Link Usage Profile element.
5. Click Save and Refresh.

## Engine Editor > Routing > Link Usage

Use this branch to select a Link Usage Profile for an NGFW Engine and to define link usage exceptions for the NGFW Engine.

Option | Definition
--- | ---
Link Usage Profile | To enable dynamic link selection for the NGFW Engine, select a Link Usage Profile element.
Link Usage Profile Properties (read only) (Not editable) | Shows the properties of the selected Link Usage Profile element.
Exceptions to Link Usage Profile table (When a Link Usage Profile element has been selected) Click Add to add a row to the table, or Remove to remove the selected row. Click Up or Down to move the selected item up or down.
Source | The source IP addresses or users that the rule matches. Double-click the cell to select an element. You can also use type-ahead search to select an element.
Destination | The destination IP addresses or users that the rule matches. Double-click the cell to select an element. You can also use type-ahead search to select an element.
Service | The service or Network Application that the rule matches. Double-click the cell to select an element. You can also use type-ahead search to select an element.
ISP Link | The NetLink that traffic that matches the rule uses. Double-click the cell to select an element.
Comment (Optional) | A comment for your own reference.