How to physically break a network
Today I am doing a tutorial on how you could mess up a network if you can get near the servers. So the first thing you would do is go up to the server and first of all unplug Ethernet cables running from one server to the other. Once that is done switch around the ports the cables are plugged into this will make the network unable to assign a computers IP. Then you would reboot both of the servers by holding down the power button. Now the network will not function and the person fixing it will take a long time because they have to find the original ports it was plugged into which means he or she will have to practically rebuild the server. hope this was useful I hope you use this for educational uses, and enjoy.