Use this setup instruction if you discover that setting up Linksys devices is becoming difficult.We will only go over the basic method that makes setup simple and straightforward. So let’s get started.There could be a variety of causes for the Linksys re6400 extender setup issues. Before proceeding with the setup procedure, make sure that every cable is connected. Check to see if the gadgets are positioned correctly after that. Don’t forget to enter accurate details.First of all, be aware that both devices’ buttons are used in the WPS procedure. Because it’s a fast setup, both devices must have their WPS buttons pressed. For the Linksys re6400 setup, first press the button on the current router, and then hold and leave on the Linksys extender.Check the extender shortly after setup to determine if it is flashing a red light, which indicates a bad connection.On the other hand, if the connection signal is green, it indicates that you were able to get a very strong connection.