Step 1
Launch the UniFi Controller and click on Launch a Browser to Manage the Network.
Step 2
Click on Devices and locate the UniFi Security Gateway.
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Step 3
Click on the UniFi Security Gateway and then click Configuration from the right panel.
Step 4
Expand the WAN tab and select between DHCP and Static depending on your ISP configuration. To save the settings, click on Queue Changes > Devices Pending Changes > Apply All.
