company news about Huawei S6720S-26Q-EI-24S-AC: High-Density 10GbE and 40GbE Switching Excellence

Huawei S6720S-26Q-EI-24S-AC: High-Density 10GbE and 40GbE Switching Excellence

1. Summary

The Huawei S6720S-26Q-EI-24S-AC network switch bundle represents a cornerstone for modern high-bandwidth enterprise environments, offering a robust blend of 24 10-Gigabit SFP+ ports and 2 high-performance 40-Gigabit QSFP+ uplink ports. Designed to meet the rigorous demands of data center access and campus core layers, this switch ensures seamless data flow and ultra-low latency. Within the first 100 characters, it is clear that the Huawei S6720S-26Q-EI-24S-AC is an industry-leading solution for scalable networking. This 170W AC-powered unit provides the reliability required for 24/7 operations in mission-critical infrastructures. As enterprises transition toward 10G-to-the-desktop and 40G backbone architectures, the S6720S-EI series offers the necessary port density and switching capacity to eliminate bottlenecks. This summary highlights its role in providing efficient energy management and high-availability features, making it a top choice for network engineers seeking professional-grade hardware for complex interconnectivity tasks.

2. What: Technical Definition and Core Concepts

The Huawei S6720S-26Q-EI-24S-AC is a fixed-configuration, high-performance Ethernet switch categorized under Huawei’s Enhanced (EI) series. At its core, it is a Layer 3 (L3) switch that facilitates multi-speed interconnectivity. The "24S" designation indicates 24 slots for SFP+ (Small Form-factor Pluggable Plus) modules, which support 1GbE or 10GbE optical and copper connections. The "26Q" nomenclature refers to the total available high-speed ports, including the 2 additional QSFP+ (Quad Small Form-factor Pluggable Plus) interfaces that support 40Gbps line rates.

Physically, the device is housed in a 1U rack-mountable chassis. Its switching architecture is based on a non-blocking fabric, ensuring that all ports can transmit data at full wire speed simultaneously without packet loss. The process of packet forwarding is handled by a specialized Application-Specific Integrated Circuit (ASIC) that minimizes "cut-through" latency. Furthermore, the switch employs Intelligent Stack (iStack) technology, a virtualization technique that allows multiple physical switches to be combined into a single logical entity, simplifying management and enhancing redundancy through a unified control plane.

The electrical engineering of the unit includes a 170W AC power supply module designed for high conversion efficiency. From a thermal management perspective, the S6720S-EI utilizes a front-to-back airflow design with redundant, hot-swappable fans, maintaining optimal operating temperatures for internal components even under heavy computational loads. The software layer, powered by Huawei's Versatile Routing Platform (VRP), supports extensive routing protocols such as OSPF, BGP, and IS-IS, alongside advanced security features like Hardware-level Eth-OAM (Operation, Administration, and Maintenance).

3. Why: Solving Network Pain Points and Strategic Advantages

Modern enterprise networks face the constant threat of congestion due to the explosion of cloud-based applications, HD video conferencing, and massive internal data transfers. The Huawei S6720S-26Q-EI-24S-AC addresses these challenges by providing a cost-effective yet powerful 10GbE access solution. One of the primary pain points for IT managers is the lack of future-proofing in legacy 1GbE switches; this Huawei bundle solves that by offering 24 high-speed ports that can act as the aggregation point for multiple sub-networks.

Core Advantages

• Unmatched Scalability with 40G Uplinks: By utilizing the 2x 40G QSFP+ ports, organizations can create a high-speed backbone that prevents "east-west" traffic from saturating the network. This high-performance network switch bundle ensures that data center-to-core connectivity is never the weak link.

• Superior Reliability and High Availability: Through the use of iStack and hardware-level OAM, the switch provides sub-50ms protection switching. In the event of a link or device failure, the 40Gbps Ethernet switch architecture maintains traffic flow without manual intervention, which is critical for mission-critical data center switches.

• Advanced Security and L3 Routing: Unlike basic access switches, the S6720S-26Q-EI supports full IPv4/IPv6 dual-stack routing and hardware-based defense against DoS attacks and unauthorized access. This makes it an ideal managed L3 enterprise switch for complex corporate environments.

• Energy Efficiency and TCO Reduction: The 170W power supply and intelligent port dormancy features significantly reduce the operational expenditure (OPEX). For a Huawei network switch with 40G QSFP, the power-to-performance ratio is exceptionally high, lowering the total cost of ownership over a 5-year lifecycle.

4. How: Industrial Application and Technical Implementation

In a real-world industrial application, such as a large-scale university campus or a regional healthcare data center, the Huawei S6720S-26Q-EI-24S-AC is typically deployed at the aggregation layer. Consider a scenario where 20 different floors each have multiple 1GbE access switches. These switches can all connect to a single S6720S-26Q-EI via 10GbE SFP+ fiber links. The S6720S then aggregates this massive volume of data and pushes it to the core data center via the 40GbE QSFP+ ports.

Technically, the implementation involves configuring Link Aggregation Control Protocol (LACP) to bundle the 40G ports for a total of 80Gbps of bandwidth toward the core. Network administrators can implement Virtual Extensible LAN (VXLAN) on this hardware to support network virtualization, allowing for the seamless movement of virtual machines across the data center without the limitations of traditional Layer 2 boundaries.

Furthermore, in an ISP or Service Provider environment, the switch’s support for MPLS (Multi-Protocol Label Switching) and VPLS (Virtual Private LAN Service) allows for the delivery of high-speed VPN services to corporate clients. The inclusion of the 170W AC power supply ensures that even when all 24 SFP+ ports are active with high-power optical modules, the system remains stable. Our team of experts recommends using Huawei original optical transceivers to ensure the lowest Bit Error Rate (BER) and maximum transmission distance across the infrastructure.

5. FAQ

1. What are the primary port configurations for the S6720S-26Q-EI-24S-AC?

This switch features 24 fixed 10-Gigabit SFP+ ports for high-speed downstream or peer connectivity and 2 fixed 40-Gigabit QSFP+ ports for high-capacity uplinks. This configuration provides a versatile solution for dense 10G aggregation.

2. Does this Huawei switch support stacking for redundancy?

Yes, it supports Huawei’s iStack (Intelligent Stack) technology. You can stack up to 9 physical switches into one logical unit, simplifying management and providing massive throughput with hardware-level redundancy and load balancing.

3. What is the power efficiency of the 170W AC power supply?

The 170W AC power supply is designed for high-efficiency conversion. The switch also utilizes intelligent power-saving technologies, such as port sleep modes and automated fan speed adjustment based on real-time temperature sensors.

4. Can I use this switch for Layer 3 routing protocols like OSPF or BGP?

Absolutely. The S6720S-26Q-EI is a full Layer 3 switch that supports advanced routing protocols including OSPF, BGP, IS-IS, and BGP4+, making it suitable for complex enterprise and service provider network cores.

5. What kind of optical transceivers are compatible with the QSFP+ ports?

The 40G QSFP+ ports are compatible with a variety of modules including QSFP-40G-SR4 for short distances (MMF) and QSFP-40G-LR4 for long distances (SMF), as well as 40G DAC and AOC cables for rack interconnectivity.

6. How does the switch handle network security at the hardware level?

It provides comprehensive security features including MAC address limiting, sticky MAC, DHCP snooping, and hardware-based defense against common DoS attacks and ICMP/TCP flood attacks, ensuring a hardened edge and core for your network.

6. Conclusion

The Huawei S6720S-26Q-EI-24S-AC is a definitive solution for organizations requiring high-density 10G aggregation and 40G uplinks without compromising on reliability or security. By integrating advanced L3 routing, iStack virtualization, and efficient power management, it empowers businesses to build a future-ready network infrastructure. Whether you are upgrading a campus core or a data center access layer, this switch delivers the performance necessary for modern high-bandwidth demands.

Ready to Scale Your Network?

Get the most competitive pricing on Huawei Network Switches today. Our experts are ready to assist you with technical designs and bulk quotes.