From the course: Cisco Networking Foundations: Switching and Routing

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EtherChannel theory

EtherChannel theory

From the course: Cisco Networking Foundations: Switching and Routing

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EtherChannel theory

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- [Instructor] In this video, we want to consider a feature that Cisco calls EtherChannel, or you might hear it more generically referred to as link aggregation. The idea is this. We want to have multiple links interconnecting our switches, and Spanning Tree will take a look at that and block traffic overall, but one of those links. But what we can do with an EtherChannel is logically bundle together multiple links into what looks like a single connection. That's going to allow us to simultaneously send traffic over all links in this EtherChannel bundle. And as a result, we're going to get increased bandwidth. We're going to be able to load balance across those links. We're going to be able to have redundancy. So if a link were to fail, we can still send traffic over any remaining links. Now, here, I just have two links in this bundle, and the bundle is represented with that oval superimposed over those links, but we can…

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