The modem and router are not communicating with each other. We have unplugged all a couple of times. The Xfinity person came out and we have a strong wi-fi signal. Pretty sure it is the Ruckus. There are 3 green lights on it and no red ones. We are seniors and really need basic instructions on this or if more technical, my son and grandson can help. We typically call someone to look at things if not working, but in this case there is no one to call. I appreciate any help I can get. Thank you.