Configuring Layer Three EtherChannel

When you want more speed all you need is EtherChannel, EtherChannel can be configured as a layer three logical interface instead of just sitting at layer two. This is very helpful if we are running layer three down to the access layer switches, instead of at the distribution layer. You also could see this in a collapsed core design, we also don’t have to worry too much about STP when we configure EtherChannel’s. The only requirements to use layer three EtherChannels is your switch need is support layer three “routed” interfaces, so with that let’s get started!

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The Three Tiers

Working towards the CCNA Cisco talks about a hierarchical network there are three layers to this design. Access Layer, distribution layer and the core layer. Each of them have their own set of functions and is also considered to be a best practice when the network continues to grow and for redundancy along with just a better way to manage it. Continue reading