The Cisco Guard XT 5650 DDoS Mitigation Appliance from Cisco Systems delivers a powerful and extensive distributed denial-of-service (DDoS) protection system. Designed to meet the performance and scalability requirements of the largest and most demanding enterprise environments, the Cisco Guard XT provides unprecedented levels of protection against today's increasingly complex and elusive attacks.Featuring two Gigabit Ethernet interfaces, a single Cisco Guard XT can process attack traffic at line rates as high as a full gigabit-per-second (Gbps). Working together, multiple Cisco Guard XTs can incrementally scale to support multi-gigabit rates, delivering an extensible solution that easily adapts to large and growing enterprise environments.