The Catalyst 4500 Series with CenterFlex technology provides scalable nonblocking Layer 2-4 switching with Secure, Flexible, Non-Stop communications, enabling business resilience for enterprises, small and medium-sized businesses (SMBs), and Metro Ethernet customers deploying business-critical applications. CenterFlex technology is the technology enabled by the Supervisor 6-E centralized ASICs, which deliver the highest centralized performance and configuration flexibility in the industry. CenterFlex technology enables granular optimization of real-time voice, video and data communication, maximizing performance and enhancing end user experience. The new "E-Series" with CenterFlex technology is designed with unprecedented backward and forward compatibility delivering exceptional investment protection and deployment flexibility to meet the evolving needs of organizations of all sizes.
The Cisco Catalyst 4500 Series includes two series of Catalyst chassis: the E-Series and Classic Series chassis. Integrated res