The Cisco Catalyst 4500 series provides scalable, nonblocking Layer 2-4 switching with secure, flexible, nonstop communications, enabling business resilience for enterprises, small and medium-sized businesses (SMBs), and Metro Ethernet customers deploying business-critical applications. The Catalyst 4500 series has a centralized forwarding architecture that simplifies operations and management and helps enable collaboration and virtualization. With compatibility spanning multiple generations, the Catalyst 4500 E-series provides exceptional investment protection and deployment flexibility to meet the evolving needs of organizations of all sizes. The Catalyst 4500 E-series platform has 10Gbps uplinks and supports Power over Ethernet Plus (PoEP) to help power collaboration devices.