Simply connect a cable between your Linksys RE7000 model and the router for Linksys RE7000 Setup before beginning the firmware upgrade process. Grab a cable for Ethernet. Make sure it doesn't break up, though. As a result, take important to ensure that the connection is tight with the Ethernet when you are setting it up. Keep these things in mind: Simply make sure both devices are connected to the WiFi at the same time and that they are almost close to each other. However, you may not be aware that the devices are connected wirelessly by a cable. by minimizing the space between the gadgets. because it could cause WiFi signals to conflict. Communication could be destroyed due to the distance.