GS950 PS V2 Series of Gigabit Ethernet PoE+ Switches Installation Guide
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uses MDI and the other MDI-X. For example, if a network device
has a fixed wiring configuration of MDI, you should disable auto-
MDI/MDI-X on the corresponding switch port and manually set it to
MDI-X. If you are using crossover twisted pair cable, the wiring
configurations of a port on the switch and a port on a network
device should be the same.
Do not attach cables to ports of static port trunks until after you
have configured the trunks on the switch. Otherwise, the ports will
form loops in your network topology that can adversely affect
network performance.