1Login to the web interface first
2 In the navigation tree on the left, choose. In the pane on the right, clickNew. In the dialog box that is displayed, setModetoRoute WAN
3 WAN Configuration - route(IPv4)

4 WAN Configuration - route(IPv6)

5 Click Apply
NOTICE:
All data associated with the WAN will be deleted after you delete the WAN port configuration. Exercise caution when you perform this operation.