Huawei S5720S-LI Series Simplified Gigabit Ethernet Switches

Product overview

The S5720S-LI is a next-generation energy-saving gigabit Ethernet switch that provides flexible GE access ports and 10 GE uplink ports. Building on next-generation, high-performance hardware and the Huawei Versatile Routing Platform (VRP), the S5720S-LI supports intelligent stack (iStack), flexible Ethernet networking, and diversified security control. It provides customers with a green, easy-to-manage, easy-to-expand, and cost-effective gigabit to the desktop solution. In addition, Huawei customizes specialized models to meet customer requirements to suit special scenarios.

The models with front power sockets can be installed in the 300 mm deep cabinet. They can be maintained through the front panel, saving space in small equipment rooms.

The models that use a fan-free design reduce power consumption and noise.

Product features and highlights

Flexible Ethernet networking

In addition to traditional Spanning Tree Protocol (STP), Rapid Spanning Tree Protocol (RSTP), and Multiple Spanning Tree Protocol (MSTP), the S5720S-LI 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 topology, closed ring topology, and cascading ring topology. This protocol is reliable, easy to maintain, and implements fast protection switching within 50 ms. ERPS is defined in ITU-T G.8032. It implements millisecond-level protection switching based on traditional Ethernet MAC and bridging functions.
The S5720S-LI supports Smart Link, which implements backup of uplinks. One S5720S-LI switch can connect to multiple aggregation switches through multiple links, significantly improving reliability of access devices.
The S5720S-LI supports Ethernet OAM (IEEE 802.3ah/802.1ag) to fast-detect link faults.

Diversified security control

The S5720S-LI supports 802.1x authentication, MAC address authentication, and combined authentication on a per port basis, as well as Portal authentication on a per VLANIF interface basis, and implements dynamic policy delivery (VLAN, QoS, and ACL) to users.
The S5720S-LI provides a series of mechanisms to defend against DoS attacks and user-targeted attacks. DoS attacks are targeted at switches and include SYN flood, Land, Smurf, and ICMP flood attacks. User-targeted attacks include bogus DHCP server attacks, IP/MAC address spoofing, DHCP request flood, and changing of the DHCP CHADDR value.
The S5720S-LI collects and maintains information about access users, such as IP addresses, MAC addresses, IP address leases, VLAN IDs, and interface numbers in a DHCP snooping binding table. In this way, IP addresses and access interfaces of DHCP users can be tracked. You can specify DHCP snooping trusted and untrusted ports to ensure that users connect only to the authorized DHCP server.
The S5720S-LI supports strict ARP learning. This feature prevents ARP spoofing attackers from exhausting ARP entries so that users can connect to the Internet normally.

Easy operation and maintenance

The S5720S-LI supports Huawei Easy Operation, a solution that provides zero-touch deployment, replacement of faulty devices without additional configuration, USB-based deployment, batch configuration, and batch remote upgrade. The Easy Operation solution facilitates device deployment, upgrade, service provisioning, and other management and maintenance operations, and also greatly reduces costs of operation and maintenance. The S5720S-LI can be managed and maintained using Simple Network Management Protocol (SNMP) V1, V2, and V3, Command Line Interface (CLI), web-based network management system, or Secure Shell (SSH) V2.0. Additionally, it supports remote network monitoring (RMON), multiple log hosts, port traffic statistics collection, and network quality analysis that helps with network consolidation and reconstruction.
EasyDeploy: The Commander collects information about the topology of the client connecting to the Commander and saves client startup information based on the topology. The client can be replaced without configuration. Configuration and scripts can be delivered to the client in batches. In addition, the configuration delivery result can be queried. The Commander can collect and display power consumption on the entire network.
The S5720S-LI can use the GARP VLAN Registration Protocol (GVRP) to implement dynamic distribution, registration, and propagation of VLAN attributes. GVRP reduces manual configuration workload and ensures correct configuration. Additionally, the S5720S-LI supports MUX VLAN, which involves a principal VLAN and multiple subordinate VLANs. Subordinate VLANs are classified into group VLANs 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. The S5720S-LI also supports VLAN Central Management Protocol (VCMP) and VLAN-Based Spanning Tree (VBST) protocol.
The models with front power sockets can be installed in a 300 mm deep cabinet, and can be maintained through the front panel. This simplifies operation and maintenance. The cabinets can be placed against the wall or back to back, and is well-suited for shallow cabinets and limited equipment room space.

iStack

The S5720S-LI supports intelligent stack (iStack). This technology combines multiple switches into a logical switch. Member switches in a stack implement redundancy backup to improve device reliability and use inter-device link aggregation to improve link reliability. iStack provides high network scalability. You can increase ports, bandwidth, and processing capacity of a stack by simply adding member switches to the stack. iStack also simplifies device configuration and management. After a stack is set up, multiple physical switches are virtualized into one logical device. You can log in to any member switch in the stack to manage all the member switches in the stack. S5720S-LI support electrical ports stacking.

Excellent network traffic analysis

The S5720S-LI supports the sFlow function. It uses a method defined in the sFlow standard to sample 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.

Cloud-based management

The S5720-LI can work in cloud-based management mode or traditional management based on requirements. The Huawei cloud management platform can be used to perform cloud-based network planning, optimization, monitoring, and management and configure cloud managed devices. A mobile O&M App is also supported.

Ordering Information

S5700-LI Series Switches

S5720S-LI Series Switches

S5720-12TP-LI-AC, 8 Ethernet 10/100/1,000 ports, 4 Gig SFP and 2 combo 10/100/1,000 Base-T Ethernet ports, AC 110V/220V
S5720-12TP-PWR-LI-AC, 8 Ethernet 10/100/1,000 ports, 4 Gig SFP and 2 combo 10/100/1,000 Base-T Ethernet ports, AC 110V/220V
S5720-28P-LI-AC, 24 x Ethernet 10/100/1,000 ports, 4 Gig SFP, AC 110V/220V
S5720-28X-LI-AC, 24 x Ethernet 10/100/1,000 ports, 4 x 10 Gig SFP+, AC 110V/220V
S5720-28X-LI-DC, 24 x Ethernet 10/100/1,000 ports, 4 x 10 Gig SFP+, DC -48V
S5720-28P-PWR-LI-AC, 24 x Ethernet 10/100/1,000 PoE+ ports, 4 Gig SFP, AC 110V/220V
S5720-28X-PWR-LI-AC, 24 x Ethernet 10/100/1,000 PoE+ ports, 4 x 10 Gig SFP+, AC 110V/220V
S5720-52P-LI-AC, 48 x Ethernet 10/100/1,000 ports, 4 Gig SFP, AC 110V/220V
S5720-52X-LI-AC, 48 x Ethernet 10/100/1,000 ports, 4 x 10 Gig SFP+, AC 110V/220V
S5720-52X-LI-DC, 48 x Ethernet 10/100/1,000 ports, 4 x 10 Gig SFP+, DC -48V
S5720-52P-PWR-LI-AC, 48 x Ethernet 10/100/1,000 PoE+ ports, 4 Gig SFP, AC 110V/220V
S5720-52X-PWR-LI-AC, 48 x Ethernet 10/100/1,000 PoE+ ports, 4 x 10 Gig SFP+, AC 110V/220V
S5720-28X-LI-24S-AC, 24 Gig SFP, 8 combo 10/100/1,000 Base-T Ethernet ports, 4 x 10 Gig SFP+, AC 110V/220V
S5720-28X-LI-24S-DC, 24 Gig SFP, 8 combo 10/100/1,000 Base-T Ethernet ports, 4 x 10 Gig SFP+, DC -48V
S5720-28TP-PWR-LI-ACL, 24 Ethernet 10/100/1,000 Base-T ports, 4 Gig SFP and 2 combo 10/100/1,000 Base-T Ethernet ports, 8-port PoE+, AC 110V/220V
S5720-28TP-PWR-LI-AC, 24 Ethernet 10/100/1,000 Base-T PoE+ ports, 4 Gig SFP and 2 combo 10/100/1,000 Base-T Ethernet ports, AC 110V/220V
S5720-28TP-LI-AC, 24 Ethernet 10/100/1,000 Base-T ports, 4 Gig SFP and 2 combo 10/100/1,000 Base-T Ethernet ports, AC 110V/220V
S5720S-12TP-LI-AC, 8 x Ethernet 10/100/1,000 ports, 4 x Gig SFP ports, 2 x combo 10/100/1,000 Base-T Ethernet ports, AC power supply
S5720S-12TP-PWR-LI-AC, 8 x Ethernet 10/100/1,000 ports, 4 x Gig SFP ports, 2 x combo 10/100/1,000 Base-T Ethernet ports, PoE+, AC power supply
S5720S-28P-LI-AC, 24 x Ethernet 10/100/1,000 ports, 4 x Gig SFP, AC power supply
S5720S-28P-PWR-LI-AC, 24 x Ethernet 10/100/1,000 ports, 4 x Gig SFP, PoE+, AC power supply
S5720S-52P-LI-AC, 48 x Ethernet 10/100/1,000 ports, 4 x Gig SFP, AC power supply
S5720S-52P-PWR-LI-AC, 48 x Ethernet 10/100/1,000 ports, 4 x Gig SFP, PoE+, AC power supply
S5720S-28X-LI-AC, 24 x Ethernet 10/100/1,000 ports, 4 x 10 Gig SFP+, AC power supply
S5720S-28X-PWR-LI-AC, 24 x Ethernet 10/100/1,000 ports, 4 x 10 Gig SFP+, PoE+, AC power supply
S5720S-28X-LI-24S-AC, 24 x Gig SFP ports, 8 x combo 10/100/1,000 Base-T Ethernet ports, 4 x 10 Gig SFP+, AC power supply, front power sockets, front access
S5720S-52X-LI-AC, 48 x Ethernet 10/100/1,000 ports, 4 x 10 Gig SFP+, AC power supply
S5720S-52X-PWR-LI-AC, 48 x Ethernet 10/100/1,000 ports, 4 x 10 Gig SFP+, PoE+, AC power supply
S5720S-28TP-PWR-LI-ACL, 24 x Ethernet 10/100/1,000 Base-T ports, 4 x Gig SFP ports, 2 x combo 10/100/1,000 Base-T Ethernet ports, 8-port PoE+, AC power supply
S5720-16X-PWH-LI-AC, 12 Ethernet 10/100/1000 PoE++ ports,2 Ethernet 10/100/1000 ports,2 10 Gig SFP+,360W POE AC 110/220V

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