S5971

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2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

S5971 High-Density 25G/100G Data Center Switch – Technical Specifications

Parameter Category	Specification Details
Model Number	S5971 (Series Name, e.g., H3C S5971-32XQ)
Switch Type	Fully Managed Layer 3 Data Center Leaf/Spine Switch
Hardware Ports	Common configurations include: • 32 x 100G QSFP28 ports (Spine role) • 48 x 25G SFP28 ports + 8 x 100G QSFP28 uplinks (Leaf role) (The “71” often signifies a flexible, high-density design for modern leaf/spine architectures)
Port Breakout	Extensive breakout support is a key feature: • A 100G QSFP28 port can break out into 4x 25G or 2x 50G ports. • A 25G SFP28 port can negotiate down to 10G. This allows the switch to be adapted for various spine or leaf roles.
Switching Capacity	~6.4 Tbps (Terabits per second) or higher (non-blocking) e.g., 32x100G = 3.2 Tbps per direction, 6.4 Tbps full duplex.
Forwarding Rate	~4,800 Mpps (Million packets per second)
MAC Address Table	288K – 512K entries
Packet Buffer Memory	36 MB – 64 MB (Very deep buffers for AI/ML and storage traffic)
Jumbo Frame Support	12KB
Layer 2/3 Features	Designed for leaf-spine fabric simplicity and scale. • BGP (Border Gateway Protocol) for EVPN control plane • OSPF/IS-IS for underlay routing • VXLAN/EVPN (Hardware-based VTEP) • ECMP with 16+ paths • Basic VLAN, LACP, etc.
Data Center Features	• VXLAN/EVPN (Full hardware-based support) • RDMA over Converged Ethernet (RoCE) support with explicit congestion notification (ECN) • In-band Network Telemetry (INT) support • GPUDirect® Support for AI/ML workloads • Advanced Traffic Engineering
Quality of Service (QoS)	• 8-16 priority queues per port • Advanced congestion management (ECN, WRED) • Precision timing protocol (PTP) for synchronization
Security Features	• Hardware-accelerated ACLs (IPv4/IPv6) • Micro-segmentation support within the fabric • Management security (TACACS+, RADIUS, SSH, etc.)
Management & Automation	API-First Design. • RESTful API • NETCONF/YANG data models • Python SDK • Ansible, Chef, Puppet integration Traditional CLI and Web GUI are available but not the primary method.
Hardware Details	Power Supply: Dual, hot-swappable, high-wattage (1500W+ each) power supplies (AC/DC/HVDC). Power Consumption: 300W – 600W+ (highly dependent on optic modules used). Cooling: Redundant, hot-swappable, variable-speed fans with advanced cooling designs. Dimensions (W x D x H): Standard 19-inch rack-mountable; typically 1U height.
Operating Temperature	0°C to 40°C (32°F to 104°F)
Operating Humidity	10% to 90% non-condensing
Certifications	CE, FCC, RoHS