Network-Switch NS-S6990-128QC2XS 128×400GE QSFP112 AIGC Data Center Switch

Q1: What port density does the RG‑S6990‑128QC2XS offer?

A: The switch provides 128× QSFP112 ports (supporting 200 GE/400 GE) plus 2× 10 GE SFP+ ports for management and uplink.

Q2: What is the switching capacity and forwarding rate of this switch?

A: It delivers a massive 102.4 Tbps switching capacity and a forwarding rate of up to 21,000 Mpps .

Q3: How does the RG‑S6990 ensure low-latency and packet loss-free communication?

A: It leverages RDMA, PFC, and ECN to bypass CPU processing and support end-to-end lossless transport, ideal for AI and data center workloads .

Q4: What redundancy features are built into the RG‑S6990?

A: The chassis includes 2+2 hot-swappable power supplies and 4+1 hot-swappable fans, enabling hardware-level redundancy and nanosecond‑level failover .

Q5: What AI-based intelligent O&M functions does the switch offer?

A: It supports AI-powered auto ECN tuning, real-time telemetry, endpoint visualization, and congestion analytics via AI‑Fabric .

Q6: What hardware interfaces are available on this switch?

A: It includes service ports (128× QSFP112), management interfaces (1× RJ45 console, 1× RJ45 management), USB‑A port, plus multiple power and fan module slots .

Q7: What are its physical dimensions and power consumption?

A: The chassis is 4 RU (446×800×173.6 mm), weighs ~43 kg fully loaded, and consumes up to ~3.18 kW (typical ~2.34 kW) .

Q8: What is the target deployment scenario for the RG‑S6990?

A: Designed as a high-density data center core switch, it's ideal for AI‑Fabric networks, large enterprise backbones, cloud‑scale data centers, and DCI environments .

Q9: Does it support Layer 2 and Layer 3 features?

A: Yes, it supports full Layer 2/3 protocols including VXLAN, EVPN, BGP, OSPF, IS‑IS, MPLS, and Segment Routing .

Q10: What high-availability and maintenance features does it implement?

A: It offers ISSU (In-Service Software Upgrade), hot-swappable modules, redundant fabrics, and modular design for seamless upgrades and high availability .

Q11: What advanced security measures are included?

A: Security features include ACLs, control-plane protection, ARP inspection, MAC security, and secure management protocols .

Q12: What management protocols and interfaces are supported?

A: Management is supported via CLI, SNMP v1/2/3, NETCONF, RESTful API, and telemetry interfaces .

Q13: Can the RG‑S6990 integrate with optical modules and interconnect fabrics?

A: Yes—compatible with QSFP28 100G and QSFP-DD 400G optical modules for high-speed spine-core interconnectivity .

Q14: What rack‑mount and form‑factor details are available?

A: It is built as a 4‑RU rack‑mount chassis weighing ~43 kg fully equipped; space-efficient and robust .