Data Center Switch
DS4000
32 QSFP-DD 400GbE high-density optical ports, Switching capacity: 12.8Tbps
1U rack-mount open bare-metal 400GbE data center switch
1+1 redundant hot-swappable 1500W AC power supplies and redundant hot-swappable fan modules
SONiC and AsterNOS, fully decoupling hardware and software to realize flexible customized network deployment
OVERVIEW
DS4000 is a 1U open bare-metal 400G spine switch with 32 QSFP-DD 400GbE ports, supporting breakout to 100G/200G sub-rate ports. Built on Broadcom Tomahawk3 chip with 12.8Tbps switching capacity and 64MB large buffer, delivering ultra-low forwarding latency. Equipped with redundant hot-swappable power and fans, dual airflow design, independent BMC out-of-band management. ONIE open architecture compatible with SONiC/AsterNOS, ideal for high-bandwidth spine-leaf CLOS networking of cloud, big data and AI computing data centers.
FEATURES
✅ 1U rack-mount open bare-metal 400G data center switch, powered by Broadcom Tomahawk3 high-performance switching ASIC, designed for high-bandwidth spine-leaf CLOS architecture of cloud, big data and AI clusters.
✅ 32 × QSFP-DD 400GbE high-density data ports; each port supports flexible breakout into 4×100G or 2×200G sub-rate ports to meet spine core, leaf TOR and aggregation layered networking demands.
✅ Total switching capacity up to 12.8 Tbps with 64MB large shared packet buffer, ultra-low cut-through forwarding latency below 700ns, excellent burst absorption and congestion control for high-concurrency AI training and storage traffic.
✅ Enterprise high-reliability hardware design: 1+1 redundant hot-swappable 1500W AC power supplies, redundant hot-swappable fan modules; dual airflow options (front-to-back / back-to-front) to match different cabinet cooling layouts.
✅ High-performance Intel Xeon D x86 modular control plane, independent BMC out-of-band management chip, fully compliant with IPMI 2.0 for remote hardware monitoring, fault alarm and power on/off control.
✅ Standard ONIE open installation architecture, natively compatible with mainstream open NOS including SONiC and AsterNOS, fully decoupled hardware & software to support customized data center network deployment.
✅ Complete L2/L3 full-stack data center protocols: IPv4/IPv6 dual stack, static routing, OSPF, MP-BGP, IS-IS, VLAN, MC-LAG, IGMP Snooping, TRILL and VXLAN overlay virtual tunneling.
✅ Full DCB lossless Ethernet capability: DCBX, PFC priority flow control, ETS enhanced transmission selection, QCN congestion notification, perfectly adapted to RDMA low-latency transmission for AI storage and computing clusters.
✅ Multi-level refined QoS scheduling, two-rate three-color traffic policing, airtime fairness, DSCP mapping, effective traffic isolation and bandwidth guarantee for multi-tenant cloud scenarios.
✅ Comprehensive network security defense: multi-layer ACL filtering, anti-DDoS attack, wireless frame filtering, port isolation, access control list to avoid cross-tenant data leakage.
✅ Rich automated operation & maintenance capabilities: ZTP zero-touch automatic deployment, real-time high-precision telemetry, REST API, SSH, SNMP, CLI multi-mode management, easy integration with cloud native automation platforms.
✅ Optional IEEE1588v2 & SyncE high-precision clock synchronization module to meet timing synchronization requirements of financial, 5G and high-performance computing scenarios.
SPECIFICATIONS
| Basic Hardware & Switch Chip | Model: DS4000 |
| Switch ASIC: Broadcom Tomahawk3 | |
| Form Factor: 19-inch standard 1U rack-mount chassis | |
| Switching Bandwidth: 12.8 Tbps | |
| Packet Buffer: 64MB shared packet buffer | |
| Cut-through Latency: <700ns port-to-port forwarding latency | |
| Forwarding Table Capacity: Large LPM routing table, multi-layer ACL entry storage, support large-scale cloud multi-tenant routing | |
| Interface Specifications | Data Ports: 32 × QSFP-DD 400GbE high-density optical ports |
| Port Breakout Capability: Each QSFP-DD port can split into 4×100G or 2×200G sub-rate ports | |
| Auxiliary Management Ports: | |
| 1 × RJ45 10/100/1000M shared CPU/BMC management Ethernet port 1 × RJ45 RS232 serial Console debug port 1 × Type-A USB 2.0 local storage port | |
| Optional 1-2 × SFP+ 10G auxiliary optical ports | |
| Control Plane & BMC OOB Management | CPU Module: COM-E modular Intel Xeon D x86 processor, 4-core standard configuration |
| Memory: Standard 16GB ECC DDR4, expandable up to 32GB | |
| Local Storage: M.2 SSD (default 64GB) | |
| BMC Management: Independent BMC management chip, fully compliant with IPMI 2.0 standard | |
| Support remote hardware health monitoring, fault alarm, remote power on/off control | |
| Installation Architecture: Standard ONIE open bare-metal installation system | |
| Power, Cooling & Power Consumption | Power Supply: 1+1 redundant hot-swappable 1500W AC power modules |
| Input Voltage: AC 100–240V auto-ranging, 47–63Hz | |
| Cooling Fans: 6+1 redundant hot-swappable fan modules | |
| Airflow Options: Dual airflow design, Front-to-Back (F2B) / Back-to-Front (B2F) optional | |
| Peak Power Consumption: 1100W (with full QSFP-DD 400G optical modules) | |
| Physical Dimension & Environment | Dimension: H 43.1mm × W 438.5mm × D 657.5mm |
| Operating Temperature: -5°C ~ +40°C (both airflow modes) | |
| Storage Temperature: -40℃ ~ +70℃ | |
| Operating Relative Humidity: 40% ~ 60% RH, non-condensing | |
| Storage Relative Humidity: 5% ~ 95% RH, non-condensing | |
| MTBF: ≥150,000 hours | |
| L2/L3 & Data Center Features | L2/L3 Routing Protocols |
| IPv4/IPv6 dual stack, static route, RIP, OSPF, IS-IS, MP-BGP, ECMP/WCMP, VRF, VRRP | |
| VLAN, STP/RSTP/MSTP, MC-LAG, IGMP Snooping, PIM-SM/PIM-DM/PIM-SSM multicast | |
| DCB Lossless Ethernet | |
| DCBX, PFC priority flow control, ETS enhanced transmission selection, QCN congestion notification | |
| Support RDMA low-latency lossless transmission for AI computing & storage clusters | |
| Overlay Virtual Network | |
| VXLAN overlay tunnel encapsulation/decapsulation, TRILL, NVGRE, L2 GRE, hardware-based tunneling | |
| QoS & Traffic Management | |
| 10 independent QoS queues per port for unicast/multicast traffic | |
| SP, WRR, WDRR multi-level scheduling, two-rate three-color traffic policing | |
| Per-port DSCP mapping, airtime fairness scheduling, port-level bandwidth limitation | |
| Security & Telemetry | |
| Multi-layer hardware ACL filtering, anti-DDoS attack defense, port isolation, storm control | |
| Real-time high-precision telemetry, packet timestamp, buffer instantaneous traffic capture | |
| Optional IEEE1588v2 & SyncE high-precision clock synchronization module | |
| Management Methods | Local Management: CLI serial console, local WEB GUI |
| Remote Management: SSH, SNMP v2c/v3, REST API, ZTP zero-touch automatic provisioning | |
| Out-of-band Management: BMC IPMI 2.0 remote power control, full hardware real-time health monitoring |
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