Hi, This is Russell Rodriguez. This URL, http //extender.linksys.com, directs you to the web-based configuration page for your Linksys Wi-Fi extension. Before accessing this page, it is important to verify that you are connected to the extender’s network. Once there, you can follow step-by-step instructions to complete the setup, configure the network configuration, and resolve any connectivity issues. If this URL is not accessible, check your Internet connection or try logging in with the extender’s default IP address, usually 192.168.1.1, to complete the configuration.