Читать книгу Networking All-in-One For Dummies - Lowe Doug, Doug Lowe - Страница 53

In the previous sections, you learned about the three basic functions of a switch:

 Learning: The switch learns what devices are reachable on each of its ports.

 Forwarding: The switch forwards incoming packets just to the correct port based on the intended destination.

 Flooding: The switch forwards incoming packets to all ports when it hasn’t yet learned how to reach the intended destination.

In the following sections, I dig deeper into the operation of switches to explain more about how they operate.