TestCenter 400G Appliances

Proven, scalable validation for high-performance 400G Ethernet networks

Comprehensive validation for AI data center, cloud, service provider, and enterprise networks transitioning to higher speeds.

VIAVI TestCenter 400G Appliances provide comprehensive validation for data center, cloud, service provider, and enterprise networks transitioning to higher speeds. Built on the TestCenter A1, A2, A3 appliance families and dX and pX TestCenter test modules, these solutions enable engineering and operations teams to confidently design, deploy, and optimize 400G infrastructure while preparing for future migration to 800G and beyond.

400G Ethernet has become the foundation for modern data center fabrics, high-speed routing, and AI-ready infrastructures. While widely deployed, 400G networks still present significant challenges related to scale, interoperability, latency, and resiliency.

400G Test Module Family

TestCenter 400G Appliances and Test Modules deliver a mature, field-proven platform for validating performance, conformance, and interoperability across Layer 2 through Layer 3. With support for multiple appliance form factors and port densities, TestCenter enables flexible testing strategies for labs, manufacturing, and live network environments. 

Key Capabilities

  • Comprehensive 400G Ethernet testing across QSFP-DD interfaces
  • Advanced AI/ML testing and workload traffic generation
  • Integrated Layer 2–3 validation on a single platform
  • High-scale traffic generation and analysis at full line rate
  • Latency, jitter, throughput, and loss measurements
  • Interoperability testing across multi-vendor ecosystems
  • Support for migration testing from 100G and 200G to 400G
  • Regression testing for software, hardware, and topology changes 

 

Use Cases

TestCenter 400G Chassis-Based Solutions

For large-scale validation environments and maximum flexibility, VIAVI TestCenter 400G Solutions are also available in modular chassis-based configurations. The pX3 and dX3 TestCenter chassis support high-density 400G test modules, enabling scalable, centralized testing for labs, manufacturing, and advanced system validation use cases.

  • pX3 TestCenter Chassis – Optimized for high port density and scalable 400G Ethernet testing in centralized lab environments
  • dX3 TestCenter Chassis – Designed for maximum performance and flexibility, supporting advanced performance, scale, and stress testing
  • Modular architecture enabling flexible slot-based expansion as testing requirements evolve
  • Ideal for system-level validation, large topology emulation, and multi-device interoperability testing
  • Supports consistent test workflows alongside TestCenter A1, A2, and A3 appliances
     

Full-stack Ethernet Testing  Solutions from VIAVI

Full-stack Ethernet Testing  Solutions from VIAVI

TestCenter 400G Appliance Families

TestCenter A1 Appliances
TestCenter A1 appliances provide high-density, cost-effective 400G testing optimized for functional validation, regression testing, and large-scale port counts. A1 systems are ideal for environments that require broad coverage across many interfaces, supporting validation of switching fabrics, line cards, and large network topologies. 

TestCenter A2 Appliances
TestCenter A2 appliances balance performance, density, and flexibility, making them well-suited for comprehensive system validation and interoperability testing. A2 platforms enable teams to validate forwarding performance, congestion behavior, and resiliency under realistic traffic loads, supporting both development and pre-deployment test scenarios.

TestCenter A3 Appliances
TestCenter A3 appliances deliver maximum performance and advanced capabilities for the most demanding 400G validation requirements. Designed for high-scale performance testing, A3 systems support intensive traffic generation, stress testing, and detailed performance analysis, making them ideal for core switching, routing, and advanced data center validation.

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