Functional management: Unlike core switches, aggregation switches can be either Layer 2 or Layer 3 switches. 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. By bundling multiple network connections into a single high-bandwidth link, aggregation switches help. Switch aggregation, also known as link aggregation or trunking, is a method used in computer networking to combine (aggregate) multiple network connections in parallel. This arrangement increases throughput beyond what a single relationship could sustain, offers redundancy in case one of the links. • They will then automatically build the logical aggregated links, and then pass traffic. From a forwarding perspective, vPC is deployed in the context of a VDC.
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