Cisco Catalyst 4500 Series Switches enable borderless networks, providing high-performance, mobile, & secure user experiences through Layer 2-4 switching. Enabling security, mobility, application performance, video, & energy savings over your network infrastructure, the Cisco Catalyst 4500 Switch supports resiliency, virtualization, & automation, further improving the ease of network use. Cisco Catalyst 4500 Series Switches provide borderless performance, scalability, & services with reduced total cost of ownership (TCO) & superior investment protection.