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Cisco LAN Switching Fundamentals by Basir Sakandar - CCIE No. 6040, David Barnes - CCIE No. 6563

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EtherChannel

Companies require greater and cheaper bandwidth to run their networks. Users are becoming more impatient with any sort of latency that occurs in the network. The insatiable appetite of customers for faster networks and higher availability of the networks has made the competition intense between vendors. A few years ago, Cisco came up with a method to not only provide substantially higher bandwidth but with lower cost overhead.

EtherChannel is a technology originally developed by Cisco Systems as a LAN switch-to-switch technique of inverse multiplexing of multiple Fast or Gigabit Ethernet switch ports into one logical channel. Its benefit is that it is effectively cheaper than higher-speed media while using existing switch ports, ...

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