According to you, there are all kinds of switches and routers, which means the gateway is not necessarily on the route. The gateway in the picture you sent is192.168.2.1. This may be the address of the route or the address of the switch, so I have to try it myself. The default port number for web login of most devices is 80, so you only need to enter192.168.2.1in the browser to pop up the configuration interface.

3. When you collect ip information on the computer, it is best to share it in the network center or cmd, so that the obtained ip information will be more complete and help to judge the network situation.