High-density QSFP-DD and OSFP network test appliances for validating 800G Ethernet, AI data center fabrics, RoCEv2, Ultra Ethernet, and high-performance Layer 2–3 networks. Available with four or eight QSFP-DD800 or OSFP800 test ports Generates up to 6.4 Tbps of high-speed Ethernet test traffic Supports 800G, 400G, 200G, 100G, and 50G Ethernet rates Emulates AI workloads with up to eight GPUs or NICs and 4,000 RoCEv2 queue pairs per port Provides RS-FEC analysis, AN/LT, Layer 2–3 protocol testing, UET, CCL, and congestion-control validation

The VIAVI TestCenter D2 is a four-port OSFP Ethernet test appliance that generates up to 6.4 Tbps of traffic for 1.6T Ethernet, AI data-center fabric, RoCEv2, Ultra Ethernet, and Layer 2–3 validation. Provides four OSFP test ports and up to 6.4 Tbps of aggregate test traffic Supports 1.6T, 800G, 400G, and 200G Ethernet using 224 Gbps PAM4 signaling Supports IEEE-compliant RS-FEC, Auto-Negotiation, and Link Training Emulates up to 128 GPUs or network interface cards per port with RoCEv2, collective communication, and AI workload testing Supports Ultra Ethernet 1.0, Layer 2–3 protocols, routing, switching, MACsec, and data-center network validation

The VIAVI TestCenter SPT-N12U is a scalable, high-density mainframe chassis for 10G through 400G Ethernet testing, supporting more than 14 Tbps of test traffic and up to 576 Ethernet test ports.

The VIAVI TestCenter SPT-N4U is a compact 4RU, two-slot modular chassis for scalable 10G through 400G Ethernet testing, supporting up to 2.4 Tbps of test traffic and 96 Ethernet test ports.