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The Cisco Catalyst 4503-E switch enables Cisco Borderless Networks, providing high performance, mobile and secure user experiences. This product ensures security, mobility, application performance, video and energy savings over an infrastructure that supports resiliency, virtualization, and automation. Cisco Catalyst 4503-E switch provides great performance, scalability, and services with reduced total cost of ownership and superior investment protection. Centralized forwarding architecture enables operational manageability through simplified operations.