2.4. EtherChannel

Everyone knows that networks always need more bandwidth. End users want fast responses and more applications. So many applications today are huge bandwidth suckers. With the wider use of video, audio, and intensive web applications, the requirement for bandwidth keeps getting higher. To combat this growing need, Cisco developed EtherChannel. EtherChannel is a switch-to-switch technique that inversely multiplexes multiple Fast or Gigabit Ethernet switch ports into one logical channel. Its major advantage is being cheaper than higher-speed media while utilizing existing switch ports.

EtherChannel can be used for other reasons. It can increase the bandwidth to a single server. EtherChannel is used this way quite a bit today with ...

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