Link aggregation operates at Layer 2 of the OSI model — the data link layer. It is a LAN technology used within your building's network infrastructure, typically between switches or between a server and a switch. This guide explains the technology, the main standards, practical use cases in business networks, and how it differs from related technologies like channel. In general, link aggregation looks to combine (aggregate) multiple network connections in parallel to increase throughput and provide redundancy. While there are many approaches, this article aims to highlight the differences in terminology. You may also. Switch aggregation refers to the concept of consolidating multiple access layer switches into a single aggregation layer switch in a traditional three-tier network design.
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