This should be a log message recorded by the router when a client logs into this router remotely. And if the router keeps logging non-stop, it could be that there is something wrong with one of your internal computers. When you check the logs, there should be relevant IP record information, check this IP computer has no problem. In addition, your phenomenon is that the switch is connected to the router, and then the computer under the switch can not go to the Internet? There are many reasons for this ah, you check the configuration of the two devices there is no problem.