Huawei CloudEngine S16700‑12 Full English Product Description
Common commercial name: S16712
Product Overview
Huawei CloudEngine S16700‑12 is the top‑tier flagship ultra‑large‑capacity modular core switch of the CloudEngine S16700 series, designed for hyperscale Wi‑Fi 6/7 cloud‑campus and large metropolitan network deployments. It adopts cutting‑edge backplane‑free orthogonal CLOS cell‑switching architecture and runs on Huawei VRP converged operating system. The 21.8U 19‑inch rack‑mount chassis is equipped with 2 MPU (Main Processing Unit) slots, up to 9 SFU (Switch Fabric Unit) slots and 12 LPU (Line Processing Unit) service slots. MPUs support 1+1 active‑standby hot‑backup redundancy. All key hardware components including MPU, SFU, LPU, fan trays and power modules support hot‑swap. It supports M‑LAG multi‑chassis link aggregation, CSS2 hardware cluster, SVF2.0 Super Virtual Fabric, built‑in high‑capacity native WLAN AC, full‑feature SRv6, MPLS, VXLAN‑BGP‑EVPN and network slicing. Delivering carrier‑grade reliability, it acts as core node for hyperscale cloud campus, super‑large‑scale education, government and large‑enterprise networks.
Key Features
1. Chassis and Hardware Configuration
21.8U height 19‑inch rack‑mount chassis. 2 slots for MPU main‑control units (1+1 hot‑standby redundancy recommended), up to 9 SFU switch‑fabric slots, 12 LPU service slots for high‑density interface boards (GE/10GE/25GE/40GE/100GE/400GE). Maximum port capacity: 576×GE, 576×10GE, 432×40GE, 432×100GE or 216×400GE ports with per‑slot bandwidth up to 14.4 Tbps. Equipped with 14 power slots and 7 fan tray slots; supports AC, ‑48V DC and 240V HVDC dual‑input power supply with N+1/N+N redundancy. Console port, Mini‑USB console port, ETH management port and USB storage port are available for device maintenance. MPU, SFU, LPU, fan and power modules support hot‑swap to minimize service interruption. Front‑to‑rear airflow design for efficient heat dissipation.
2. Powerful Layer‑2 Capabilities
Supports 4094 IEEE 802.1Q VLANs, MUX VLAN, Voice VLAN, Guest VLAN, GVRP, basic & flexible QinQ and VLAN mapping. Implements STP/RSTP/MSTP, Smart‑Link, RRPP, ERPS for millisecond‑level link fail‑over recovery. Supports LACP link aggregation, M‑LAG multi‑chassis link aggregation, E‑Trunk, IGMP Snooping, MLD Snooping, broadcast‑multicast‑unicast storm suppression and port isolation. Supports SVF2.0 (Super Virtual Fabric) to virtualize core‑aggregation‑access switches and APs into one logical device for simplified O&M. Supports CSS2 switch‑fabric hardware cluster technology and VBST for interoperability with third‑party PVST+ devices. Supports MACsec hop‑by‑hop link‑layer encryption.
3. Comprehensive Layer‑3 & IPv6 Functions
Supports static routing, RIP, OSPF, IS‑IS, BGP, OSPFv3, BGP4+, VRRP, ECMP equal‑cost routing and complete multicast protocols including PIM‑DM, PIM‑SM, PIM‑SSM, MSDP. Full IPv4/IPv6 dual‑stack, supports policy‑based‑routing, URPF and BFD fast fault detection. Delivers full‑feature MPLS suite: MPLS‑L3VPN, VPWS, VPLS, Segment‑Routing and SRv6. Supports VXLAN L2/L3 gateway with BGP‑EVPN, both centralized and distributed gateway modes for virtualized campus networking. Built‑in native high‑capacity WLAN AC supports management of up to 10240 APs for large‑scale Wi‑Fi‑6/7 deployment. Supports NSR non‑stop routing and NSF graceful‑restart for high‑availability forwarding. Equipped with OPS open programmable system based on Python for custom service development. Supports comprehensive network‑slicing functions to satisfy differentiated SLA requirements for multiple services and tenants.
4. Security Mechanisms
Supports 802.1X, MAC‑based authentication, Portal authentication, AAA / RADIUS / HWTACACS access control. Provides DHCP Snooping, ARP anti‑attack, DoS attack defense, BPDU protection, root protection and MAC‑address‑learning‑limit control. Supports secure‑boot to prevent system image tampering. L2‑L4 ACL implements flexible traffic filtering based on MAC, IP, port and protocol type. Supports SSHv2, HTTPS for secure encrypted management access.
5. QoS and Intelligent O&M
Multi‑level H‑QoS scheduling, supports SP / WRR / DRR queue algorithms. Provides port‑based rate‑limiting, two‑rate three‑color CAR, 802.1p / DSCP remarking and traffic shaping. Supports large‑capacity per‑port buffer for loss‑less forwarding of audio‑video services. Supports NetStream, sFlow, iPCA2.0 intelligent real‑time OAM packet‑loss detection. Compatible with eSight and iMaster NCE‑Campus management platforms, supports NETCONF/YANG and Telemetry for SDN & cloud‑managed deployment. Supports zero‑touch PNP deployment, VCT virtual‑cable‑test and Ethernet OAM for fast fault diagnosis.
Technical Specifications
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Part Number: S16700‑12
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Chassis slots: 2 × MPU slots; up to 9 × SFU slots; 12 × LPU service slots; 14 × power slots; 7 × fan tray slots
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Form Factor: 21.8U, 19‑inch rack‑mount
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Dimension (H×W×D): 966 mm × 442.0 mm × 874 mm (chassis main body, without mounting accessories)
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Switching Capacity: 115.2 Tbps (basic), up to 3255 Tbps maximum
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Forwarding Performance: 51840 Mpps (basic), up to 777600 Mpps maximum
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Max power consumption: 13200 W (fully‑configured, excluding PoE)
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Power: Hot‑swappable AC / ‑48V DC / 240V HVDC dual‑input power modules
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Operating environment: 0 °C ~ +45 °C (0‑1800 m altitude); 5%‑95% non‑condensing humidity
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Note: MPU, SFU, LPU service boards, power supplies and fan trays are sold separately. Actual performance and port density depend on installed hardware and software version.
Compatible Hardware
Diversified LPUs: GE, 10GE SFP+, 25GE SFP28, 40GE QSFP+, 100GE QSFP28, 400GE QSFP‑DD interface cards; MPU main‑control units, SFU switch‑fabric units, hot‑swap fan trays, AC/‑48V DC/240V HVDC power modules, optical transceivers, DAC/AOC cables and rack‑mount accessories.
Note: S16700‑12 is a modular chassis; available features and port quantities are determined by installed MPU, SFU and LPU cards.
Application Scenarios
Hyperscale Wi‑Fi6/7 cloud‑campus core node, super‑large education campus network, government and large‑enterprise core network, metropolitan‑network convergence scenarios requiring ultra‑large‑capacity modular expansion, wired‑wireless deep convergence, high‑reliability and multi‑service bearing capability.
Short Version (For Invoice / E‑commerce Listing)
Huawei CloudEngine S16700‑12, S16700‑series 21.8U top‑tier flagship ultra‑large‑capacity modular core switch chassis, 2 × MPU, up to 9 × SFU, 12 × LPU service slots, backplane‑free orthogonal CLOS architecture, VRP operating system, supports M‑LAG, CSS2 hardware cluster, SVF2.0 super virtual fabric, built‑in high‑capacity WLAN AC (max 10240 APs) for Wi‑Fi6/7, OPS open programmability, network slicing, full‑feature Layer‑2/Layer‑3, MPLS, SRv6, VXLAN‑BGP‑EVPN, IPv4/IPv6 dual‑stack, MACsec, hot‑swappable key components. MPU, SFU, service boards, power and fan are ordered separately.
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