Borderless network leadership is extended with important drivers - Hardware readiness for Cisco TrustSec, medianet, Flexible NetFlow, Cisco EnergyWise, Cisco Powered Workspace - and other feature enhancements enabled by the Cisco Catalyst 4500E Supervisor Engine 7-E. Backward and forward compatibility with most existing Cisco Catalyst 4500 and 4500E line cards assures deeper customer satisfaction with the industry's best investment protection architecture. Cisco Catalyst Supervisor Engine 7-E is supported in E-Series chassis only.