(Nowadays, hotels and guesthouses that are a little higher-end can almost all have free Internet access, which brings great convenience to the guests and also presents many problems: some guests like to watch or download various P2P movies and videos, which makes the Other people in the local area network are too slow to access the Internet, and they can't even open the page, and they are very dissatisfied with the hotel's service. If the hotel network is not managed, it will not be conducive to the image of the hotel, and will seriously affect the business of the hotel.)