step-by-step tutorials on configuring data center switches. Learn key concepts such as VLAN setup, port configuration, link aggregation, and high-availability features essential for modern data center networks. Designed for network engineers, IT students, and. Learn about aggregated Ethernet interfaces, LACP, and LAG. Aggregating multiple links between physical interfaces creates a single. This chapter covers the design recommendations for a data center design deployment consisting of a Cisco Nexus® 7000 Series Switch at the aggregation layer and a Cisco Nexus 5000 Series Switch at the access layer. more. An aggregation switch consolidates data traffic from multiple network access switches into a single high-bandwidth link directed toward a core network or data center.