Layer 3 etherchannels
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In my last few articles, I've talked about etherchannels and what they are and how they work as far as being a layer 2 etherchannels goes. But what if we want to load balance across layer 3 interfaces and route traffic? Well, Cisco routers and switches (MLS switches at least) support both Layer 2 and Layer 3 etherchannels.