Routers are devices that connect various local area networks and wide area networks in the Internet. It will automatically select and set the route according to the channel conditions, and send signals in turn by the best path. The main difference between routing and switch is that switching takes place at the second layer (data link layer) of the OSI reference model, while routing takes place at the third layer, namely the network layer. This difference determines that routing and switching need to use different control information in the process of moving information, so the ways to realize their respective functions are also different.

Campus network is usually limited to "one person, one phone, one device". Students can't share the network with wireless routers, and mobile devices such as mobile phones and iPad need to pay extra for surfing the Internet.

Our client and HKUST can only provide network services by logging in, which means that the router connection needs the established network link, while the campus network only has a signal source by logging in on the computer side, so the two can not be well utilized, that is, "one person, one device". To solve this problem, you can only use a computer to open a WiFi network. Because the campus network has sharing restrictions, you should refer to the following materials.

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How to crack the campus network client Drcom 5.2.0, and build WiFi to surf the Internet?