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What should I do if the university dormitory is disconnected from the internet?
Should I use six network cables to enter the dormitory, or use one network cable to enter the dormitory and then connect the switch? If it is a network cable, use a single computer to do the test. Keep PING. If it is six network cables. Which computer is turned off, or take turns? Explain the network environment clearly to find the reason. First of all, your dormitory has a higher level of promotion. It is recommended that you replace both MAC and IP. According to my experience, you are likely to be targeted by ARP. Too high-profile to get along with other dorms.