(Whether it is on the Internet or on a local area network, everyone needs to start with the "local connection" and configure the network parameters appropriately. However, in the process of surfing the Internet, people sometimes find that "local connection" may generate various unimaginable shortcomings. These shortcomings generally make it impossible for people to set relevant network parameters, and then affect their surfing efficiency. In order to effectively improve the efficiency of the Internet, it is necessary for everyone to grasp some and)