The ECS5520-T series is a versatile switch featuring sixteen 10GBASE-T ports or 10GbE SFP+ ports, along with two 40GbE uplink ports. Specifically designed for carrier/enterprise aggregation or small data center top-of-rack applications, the ECS5520-T is tailored to meet the demands of traditional three-tier aggregation, core topologies, and folded-Clos architectures, offering a 2:1 oversubscription ratio. Packed with advanced features, including high availability, comprehensive security, robust multicast control, and advanced QoS, the ECS5520-T excels in network aggregation while ensuring straightforward management. Additionally, it provides cutting-edge support for IPv6 management, IPv6 security, and IPv6 multicast control, aligning with the evolving landscape of IPv6 deployment. With ITU-T G.8032 ERPS support, L2 VPNs, and advanced OAM functions, ISPs can seamlessly expand their services from home to business users, ensuring a reliable and resilient network that adheres to service-level agreements.