Edimax AR-7288WnA Manual page 60

In this page, you can modify the default gateway settings.
Select a proper WAN interface and add it to the column of Selected Default
Gateway Interface as the system default gateway.
After setting, click Apply/Save to save and apply the settings.
Static Route
Choose Advanced Setup > Routing > Static Route and the following page
appears.
In this page, you can add or remove a static routing rule.
Click the Add button to display the following page.
 IP Version: Select the IP version to be IPv4.
 Destination IP address/prefix length: Enter the destination IP address.
 Interface: Select the proper interface for the rule.
 Gateway IP Address: The next-hop IP address.
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