The Spirent CF400 Appliance is a high-performance Layer 4–7 traffic generator designed for comprehensive application and security performance testing. Supporting over 400 Gbps of stateful traffic, it enables realistic validation of network devices, application delivery platforms, and security systems under heavy and mixed traffic loads. With support for multi-speed 100G interfaces and advanced TLS capabilities, the CF400 is ideal for testing web applications, encrypted traffic, firewalls, VPNs, and QoS. It integrates seamlessly with Spirent CyberFlood and Avalanche tools to emulate real-world traffic patterns, automate tests, and ensure superior network and application performance at scale.