The Cisco Catalyst 4500E Supervisor Engine 7L-E is an enterprise-class borderless campus access and price/performance aggregation supervisor engine designed to provide 520Gbps per system with E-Series chassis. The Cisco Catalyst 4500E Supervisor Engine 7L-E builds on the success of its predecessor, the Cisco Catalyst 4500E Supervisor Engine 6L-E, and provides unprecedented performance with borderless services such as Flexible NetFlow (FNF) and hosted third-party applications.