![]() ![]() The next step-this lesson-takes a short but important step in that journey by explaining the logic a switch uses when forwarding Ethernet frames. ![]() ![]() In the lesson, “ Using the Command-Line Interface,” you learned some skills so you know how to connect to a switch’s CLI, move around in the CLI, issue commands, and configure the switch. In later lessons, you will learn how to build, configure, and verify the operation of Ethernet LANs. You do not have to configure anything else, you do not have to connect to the console and login, or do anything: the switch just starts forwarding Ethernet frames. When you buy a Cisco Catalyst Ethernet switch, the switch is ready to work.Īll you have to do is take it out of the box, power on the switch by connecting the power cable to the switch and a power outlet, and connect hosts to the switch using the correct unshielded twisted-pair (UTP) cables. ![]()
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