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S5700 Series Switches Product Description

This document describes the positioning, characteristics, architecture, link features, service features, application scenarios, operation and maintenance functions, and technical specifications of the switch.
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Product Characteristics

Product Characteristics

Huawei S5700 series Ethernet switches (S5700 for short) are next-generation energy-saving switches designed to provide high-bandwidth access and Ethernet multi-service aggregation. Based on cutting-edge hardware and Huawei Versatile Routing Platform (VRP) software, the S5700 provides a large switching capacity, high reliability (double power slots and hardware Ethernet OAM), and high-density GE ports to accommodate 10 Gbit/s upstream transmissions. It also supports Energy Efficient Ethernet (EEE) and iStack. The S5700 can be used in extensive enterprise network scenarios. For example, it can function as an access or aggregation switch on a campus network, a gigabit access switch in an Internet data center (IDC), or a desktop switch to provide 1000 Mbit/s access for terminals.

The S5700 is available in a lite (LI) series, a standard (SI) series, an enhanced (EI) series, and a hyper (HI) series.

Enabling networks to be more agile for services

The high-speed Ethernet Network Processor (ENP) embedded in the S5720-HI, S5730-HI, and S5731-H is tailored for Ethernet. The chip's flexible packet processing and traffic control capabilities can meet current and future service requirements, helping build a highly scalable network.

In addition to capabilities of traditional switches, the S5720-HI, S5730-HI, and S5731-H provide fully programmable open interfaces and support user-defined forwarding behavior. Enterprises can use the open interfaces to develop new protocols and functions independently or jointly with equipment vendors to build campus networks meeting their own needs.

The ENP has a fully programmable architecture, on which enterprises can define their own forwarding models, forwarding behavior, and lookup algorithms. Microcode programmability makes it possible to provide new services within six months, without the need of replacing the hardware. In contrast, traditional ASIC chips use a fixed forwarding architecture and follow a fixed forwarding process. For this reason, new services cannot be provisioned until new hardware is developed to support the services one to three years later.

Delivering abundant services more agilely

The S5720-HI, S5730-HI, and S5731-H integrate the AC function, so customers do not need to buy independent AC devices or hardware components.

With the unified user management function, the S5720-HI, S5730-HI, and S5731-H authenticate both wired and wireless users, ensuring a consistent user experience no matter whether they are connected to the network through wired or wireless access devices. The unified user management function supports various authentication methods, including 802.1X, MAC address, and Portal authentication, and is capable of managing users based on user groups, domains, and time ranges. These functions visualize user and service management and boost the transformation from device-centric management to user-centric management.

The S5720-HI, S5730-HI, and S5731-H provide excellent quality of service (QoS) capabilities and support queue scheduling and congestion control algorithms. Additionally, it adopts innovative priority queuing and multi-level scheduling mechanisms to implement fine-grained scheduling of data flows, meeting service quality requirements of different user terminals and services.

Providing fine granular network management more agilely

The S5720-HI, S5730-HI, and S5731-H use the Packet Conservation Algorithm for Internet (iPCA) technology that changes the traditional method of using simulated traffic for fault location. iPCA technology can monitor network quality for any service flow anywhere and anytime, without extra costs. It can detect temporary service interruptions in a very short time and can identify faulty ports accurately. This cutting-edge fault detection technology turns "extensive management" to "fine granular management."

The S5720-HI, S5730-HI, and S5731-H support Two-Way Active Measurement Protocol (TWAMP) to accurately check any IP link and obtain the entire network's IP performance. This protocol eliminates the need of using a dedicated probe or a proprietary protocol.

The S5720-HI, S5730-HI, and S5731-H support SVF and functions as a parent switch. With this virtualization technology, a physical network with the "Small-sized core/aggregation switches + Access switches + APs" structure can be virtualized into a "super switch", offering the industry's simplest network management solution.

With the Easy Deploy function, the S5720-HI, S5730-HI, and S5731-H manage access switches in a similar way an AC manages APs. In deployment, access switches and APs can go online with zero-touch configuration. In the Easy Deploy solution, the Commander collects topology information about the connected clients and stores the clients' startup information based on the topology. Clients can be replaced with zero-touch configuration. The Commander can deliver configurations and scripts to clients in batches and query the delivery results. In addition, the Commander can collect and display information about power consumption on the entire network.

Various Port Combinations

The S5700-EI, S5710-EI, and S5720-EI, S5730-SI, and S5730S-EI support various extension cards that provide high-density GE/10GE/40GE uplink ports. This flexibility in port combinations ensures that customer's bandwidth expansion requirements can be met in a cost effective way.

  • The S5710-EI has four fixed 10GE SFP+ ports. With different extended subcards installed, the S5710-EI can provide different combinations of ports, such as 64xGE + 4x10GE, 48xGE + 8x10GE, and 56xGE + 6x10GE.

  • The S5720EI with subcards has four fixed 10GE SFP+ ports. With different extended subcards installed, the S5720EI with subcards can provide different combinations of ports, such as 4x10GE optical ports, 6x10GE optical ports, and 4x10GE optical ports + 2x10GE electrical ports.

  • The S5730-SI/S5730S-EI has four fixed 10GE SFP+ ports and supports extended subcards with 4x40GE optical ports. With these subcards installed, the S5730-SI/S5730S-EI can provide different combinations of ports, such as 48xGE + 4x10GE + 4x40GE and 48xGE + 16GE (each 40GE interface being split into four 10GE interfaces) + 4x10GE.

Intelligent Stack

The S5700 supports intelligent stack (iStack). This technology combines multiple switches into a logical switch.

Member switches in a stack back up each other to improve device reliability and establish inter-device link aggregation to improve link reliability. iStack provides high network scalability and allows for flexible expansion of ports, bandwidth, and processing capacity by simply adding member switches to the stack. iStack also simplifies device configuration and management by virtualizing multiple physical switches into one logical device. You can log in to any member switch to manage all the stack member switches.

The S5720-SI, S5720S-SI, S5720I-SI, S5720-EI, S5720-LI, and S5720S-LI switches support stack connections using electrical ports.

Comprehensive VPN Technologies

The S5700 supports the multi-VPN-instance CE (MCE) function, which allows users in different VPNs to connect to the same switch and isolates users through multi-instance routing. These users connect to a PE device through the same physical uplink port, which reduces the network deployment costs.

The S5710-EI, S5700-HI, S5710-EI, S5700-HI, S5710-HI, S5720-EI, S5720-HI, S5730-HI, and S5731-H support Multiprotocol Label Switching (MPLS) QoS, MPLS traffic engineering (TE), virtual leased line (VLL), virtual private LAN service (VPLS), and Layer 3 virtual private network (L3VPN). They provide high-quality private line access services for enterprises and are cost-effective fixed MPLS switches.

Easy Operations and Maintenance

The S5700 supports EasyDeploy, USB-based deployment, batch remote upgrade and is a plug-and-play product. These functions facilitate device deployment, upgrade, service provisioning, and other management and maintenance operations. They also greatly reduce operations and maintenance costs. The S5700 can be managed and maintained using Simple Network Management Protocol (SNMP) V1, V2c, and V3, command line interface (CLI), web system, Telnet, or Secure Shell (SSH) V2.0. Additionally, it supports remote network monitoring (RMON), multiple log hosts, interface traffic statistics collection, and network quality analysis that help in network consolidation and reconstruction.

The S5700 can use the GARP VLAN Registration Protocol (GVRP) to dynamically distribute, register, and propagate VLAN attributes, reducing manual configuration workload and ensuring correct VLAN configuration. Moreover, the S5700 supports the MUX VLAN function, which involves a principal VLAN and multiple subordinate VLANs. Subordinate VLANs are classified as group and separate VLANs. Ports in the principal VLAN can communicate with ports in subordinate VLANs. Ports in a subordinate group VLAN can communicate with each other, whereas ports in a subordinate separate VLAN can communicate only with ports in the principal VLAN.

Excellent Network Traffic Analysis

The S5700 supports NetStream and can function as a NetStream data exporter. It periodically collects data traffic statistics, encapsulates the statistics in standard V5, V8, or V9 packets, and sends the packets to the NetStream data collector depending on how NetStream is configured. The collected statistics are then processed to dynamically generate reports, analyze traffic attributes, and generate alarms on abnormal traffic. NetStream helps you optimize network structure and adjust resource deployment on-demand.

The S5700 also supports sFlow. Using a method defined in the sFlow standard, the switch samples traffic passing through it and sends sampled traffic to the collector in real time. The collected traffic statistics are used to generate statistical reports, helping enterprises maintain their networks.

Flexible Ethernet Networking

In addition to traditional Spanning Tree Protocol (STP), Rapid Spanning Tree Protocol (RSTP), and Multiple Spanning Tree Protocol (MSTP), the S5700 supports Huawei-developed Smart Ethernet Protection (SEP) technology and the latest Ethernet Ring Protection Switching (ERPS) standard.

SEP is a ring protection protocol specific to the Ethernet link layer, and applies to various ring network topologies, such as open ring, closed ring, and cascading ring. This protocol is reliable and easy to maintain.

ERPS is defined in ITU-T G.8032. It provides millisecond-level protection switching based on traditional Ethernet MAC and bridging functions.

The S5700 supports Smart Link and Virtual Router Redundancy Protocol (VRRP) for uplink backup. One S5700 switch can connect to multiple aggregation switches with multiple links, significantly improving access device reliability. In addition, the S5700 provides multiple connection fault detection mechanisms, including Ethernet OAM (IEEE 802.3ah/802.1ag /ITU Y.1731) and Bidirectional Forwarding Detection (BFD).

Diversified Security Control

The S5700 supports MAC address and 802.1X authentication and can dynamically deliver policies (VLAN, QoS, and ACL) for users.

The S5700 provides a series of mechanisms to defend against:
  • DoS attacks: including SYN flood, Land, Smurf, and ICMP flood
  • User-targeted attacks: including bogus DHCP server attacks, IP/MAC address spoofing, DHCP request flood, and attack packets with variable DHCP CHADDR values

The S5700 collects and maintains information about access users, such as IP addresses, MAC addresses, IP address leases, VLAN IDs, and access interfaces in a DHCP snooping binding table. With this information, it can defend against DHCP attacks on the network. You can specify trusted and untrusted interfaces to ensure that users connect only to the authorized DHCP server.

The S5700 supports strict ARP learning. This feature prevents ARP spoofing attackers from exhausting ARP entries so that users can connect to the Internet normally.

Mature IPv6 Technologies

The S5700 uses the Versatile Routing Platform (VRP) and supports IPv4/IPv6 dual-stack, IPv6 routing protocols (RIPng, OSPFv3, BGP4+, and IS-IS for IPv6), and IPv6 over IPv4 tunnels (manual, 6-to-4, and ISATAP tunnels). With these IPv6 features, the S5700 can be deployed on a pure IPv4 network, a pure IPv6 network, or a shared IPv4/IPv6 network, supporting a smooth evolution from IPv4 to IPv6.

Innovative Built-in Battery

The S5700-LI-BAT series (S5700-28P-LI-BAT and S5700-28P-LI-24S-BAT) is the industry's first switch model that has a built-in lithium battery as a backup power supply. It ensures uninterrupted services when power failures occur frequently at the access layer. The S5700-LI-BAT has the following advantages:

  • Once a mains power outage occurs, the battery can power the switch to ensure nonstop services.
  • The switch saves space in an equipment room and is easy to install.
  • Intelligent power management ensures a long standby time.
  • Battery LAN switches on the entire network can be managed centrally using a web system, facilitating network operations and maintenance. As the battery lifetime is predictable, there are no costs on unnecessary battery replacement.
  • The built-in battery provides alarm and protection functions. It will trigger overtemperature protection when the temperature is beyond the operating temperature range.

Ground-Free Design

The S5720-12TP-LI-AC uses a ground-free design. Only the 220 V power module in the switch needs to be grounded. This design facilitates switch deployment in a place where grounding is difficult, such as corridor.

Suitable for outdoor extreme environment

The S5720I-SI supports broad operating temperature range. So the switch can be working in the outdoor cabinet in the very cold and very hot environments. The typical scenario is the access of the camera for outdoor video surveillance and ETTx.

The S5720I-SI supports ±6kV lightning protection, suitable for outdoor extreme environment.

High-Density Access and Increased Bandwidth on CSFP Ports

The S5700 CSFP models support CSFP modules on downlink ports. Each downlink port with a CSFP GE optical module and a pair of fibers can provide 2 Gbit/s bidirectional bandwidth, which is twice the bandwidth of a standard SFP optical module. The 24 CSFP downlink ports can provide 48 Gbit/s bidirectional bandwidth, allowing for high-density access (equivalent to 48 standard SFP ports) and saving costs of fibers and optical modules.

Cloud-based Management

Huawei provides the Cloud Managed Network Solution based on a public cloud. The S5720 and S5730 series switches can be managed by a cloud management platform. In the Huawei Cloud Managed Network solution, cloud-managed switches are plug-and-play. They automatically connect to the cloud management platform and use bidirectional certificate authentication to ensure management channel security. The cloud-managed switches provide the NETCONF and YANG interfaces, through which the cloud management platform delivers configurations to them. In addition, remote maintenance and fault diagnosis can be performed on the cloud-managed switches using the cloud management platform.

VXLAN features

The S5720-HI, S5730-HI, and S5731-H support VXLAN Layer 2 and Layer 3 gateway functions, which can be configured using NetConf/Yang. Based on this feature, multiple service networks or tenant networks can be deployed on the same physical network. These service or tenant networks are isolated from each other. In this way, one network is used for multiple purposes, enabling data transmission of different services or customers, reducing the costs of repeated network construction, and improving network resource usage efficiency.

PoE++ power supply

The S5720-SI, S5720I-SI, S5720-LI, S5730-HI, S5731-H, S5730-SI, and S5730S-EI series PoE switches provide a maximum of 90 W, 60 W, or 30 W PoE output power on a single interface, and can provide power for high-power terminals such as APs and surveillance cameras. This solves the problem of power supply in specific scenarios.

Open Programmability System (OPS)

The S5710-X-LI, S5720-LI, S5720S-LI, S5720-SI, S5720S-SI, S5720I-SI, S5720-EI, S5720-HI, S5730-HI, S5731-H, S5730-SI, and S5730S-EI provide open interfaces, and customers can make executable Python scripts based on specified events to implement intelligent device management, lowering O&M costs and simplifying operations.

Updated: 2019-05-16

Document ID: EDOC1000027454

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