Huawei CloudEngine S12700E-4 Switch– Product Documentation

Product Overview

The CloudEngine S12700E-4 is a next-generation flagship core switch from Huawei, purpose-built for high-end campus networks in the Wi-Fi 6 era. It is designed to deliver industry-leading data switching capacity and massive terminal access capabilities, making it an ideal choice for large-scale campus cores across government, finance, energy, and other industries.

The S12700E-4 features a control and forwarding separation architecture with 2 independent switch fabric units (SFUs), ensuring non-blocking switching and zero packet loss through advanced cell switching technology. It supports wired and wireless convergence, enabling a single device to manage over 50,000 wireless users and 10,240 wireless access points (APs). With a fully programmable Solar chipset, the switch allows service updates without hardware replacements and provides multiple open APIs for seamless integration with existing networks.

Key Features

• High-Density Ports: Supports up to 192 x 10GE, 160 x 25GE, 96 x 40GE, or 96 x 100GE ports

• Non-Blocking Architecture: Control and forwarding separation with 2 independent SFUs; 4.8 Tbps per service slot

• Wired & Wireless Convergence: Unified management of wired and wireless users; manages up to 10K APs

• iPCA Quality Awareness: Real-time packet loss statistics at network and device levels

• SVF (Super Virtual Fabric): Virtualizes up to 10K client nodes (access switches and APs) into a single device for simplified management

• VXLAN Support: L2 and L3 gateways, centralized/distributed gateways, BGP-EVPN, NETCONF configuration

• Interoperability: VBST (compatible with PVST/PVST+/RPVST), LNP (similar to DTP), VCMP (similar to VTP)

• Power Supply: Supports both AC and DC power input

Technical Specifications