I am in our company dormitory, and I exchange roommates. They can all connect to the internet. At night, use Netcom's optical fiber for more than 500 kb per second. Mine is online. ...
In terms of technology, firstly, CNC limits the number of computers; Secondly, the problem of IP routing and speed limit; Third, the conflict between single and double interfaces of the switch. Another possibility is that they usually play games, and you only watch movies without playing games, which takes up a lot of bandwidth. Change your habits and no one will bother you.