S5120V3-20P-LI (16*10/100/1000TX+ 4*SFP)

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H3C S5120V3-LI Ethernet switch product is independently developed by New H3C Technologies Co., Ltd. (H3C). It is a second-generation smart managed switch designed for network environments that require high performance, high port density, and easy installation.

H3C S5120V3-LI Ethernet switch provides 10/100/1000Base-T adaptive Ethernet ports or SFP/SFP+ optical ports. In enterprise networks, it can be used as an access device to provide Gigabit to desktops; in metropolitan area networks or networks of industrial users, it can provide Gigabit access to end users or tandem low-end switches downwards, and connect to high-capacity L3 switches through Gigabit fiber or link aggregation upwards.

H3C S5120V3-LI Ethernet switch series supports the innovative Intelligent Resilient Framework (IRF) technology, which allows users to connect up to nine S5120V3-LI switches to form a logically independent entity to build a highly reliable, easily scalable, and manageable new intelligent network.

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Abundant service capabilities

H3C S5120V3-LI Ethernet switch series supports Internet broadband access and offers Gigabit port access and uplink interface for small and medium-sized enterprises. It supports rich features such as Jumbo Frame, 802.1X, MAC authentication, port security, LACP, 4K VLANs, up to 16K MAC address and blackhole MAC address, and abundant functions such as port-based priority auto-mapping of Layer 2 and Layer 3, port-based mirror, redirection, port isolation, access control lists, port speed limit and rich Ethernet IPv6 features.

IRF2 (Second Generation Intelligent Resilient Framework)

H3C S5120V3-LI switch series supports IRF2 technology that allows multiple physical devices it connects to be virtualized into one logical device. In this way, users can manage and use these multiple devices as a single device. IRF can bring the following benefits to users:

Simplified management: Once an IRF is built, users can log into the unified logical device by connecting to any port of any member. By configuring a single device, users can manage the whole intelligent resilient system and all member devices in the system, without physically connecting to each member device for configuration and management.

Simplified services: Various control protocols running on the logical device formed by IRF are running as if they are on one device. For example, routing protocols perform the unified calculation as one device. With the application of cross-device link aggregation technology, the original spanning tree protocol will be replaced. This avoids a great number of protocol packet exchanges among the members, simplifies network operation, and shortens the convergence time during network flapping.

Elastic extension: Elastic extension can be achieved according to user needs to ensure user investment. And the new device can achieve a "hot swap" when adding or leaving IRF, without affecting the normal operation of other devices.

High reliability: The high reliability of IRF is embodied in three aspects, specifically, links, devices, and protocols. Not only the physical ports of members can be aggregated, but also the physical links between the IRF system and the upper or lower layer devices can be aggregated, and thus the reliability of links is increased through a multi-link backup. An IRF system comprises multiple member devices. As soon as the master fails, the IRF system elects a new master immediately to prevent service interruption and implement 1:N backup. The IRF system has real-time protocol hot backup functions responsible for backing up configuration information of the protocol to all other member devices, achieving 1:N protocol reliability.

High performance: For high-end switches, performance and port density will be limited by the hardware structure. But for an IRF system, its performance and port density are the sum of the performance and port numbers of all devices within the system. Therefore, the IRF technology can easily expand the switching capability of the device and the density of user ports several times, thereby greatly improving the performance of the device.

Easy management: The entire resilient framework shares one IP. This simplifies network device and topology management, improves operating efficiency, and reduces maintenance costs.

Comprehensive security control policies

ARP attacks and ARP viruses are major threats to LAN security, so the H3C S5120V3-LI switch series comes with diverse ARP protection functions such as ARP Detection to challenge the legitimacy of clients, validate the ARP packets, and set a speed limit for ARP to prevent ARP swarm attacks from targeting CPU.

H3C S5120V3-LI switch series supports EAD (End User Admission Domination) function. With the background system, EAD integrates terminal security policies, such as anti-virus and patching, into network access control and access right control policies to form a cooperative security system. By checking, isolating, fixing, managing, and monitoring access terminals, EAD changes passive, single point network protection to active, comprehensive network protection, and changes separate management to centralized management, enhancing the network capability for preventing viruses, worms, and new threats.

It supports multiple authentication methods such as 802.1X authentication and centralized MAC authentication, and flexibly adapts to the multiple authentication requirements of the network environment.

Rich QoS policies

H3C S5120V3-LI switch series supports packet filtering at Layer 2 through Layer 4 and traffic classification. It provides a flexible queue-scheduling algorithm and allows settings to be configured based on ports and queues at the same time. SP, WRR, and SP+WRR modes are supported. It also supports ACL in the inbound and outbound direction, traffic policing, and port and traffic mirroring in the outbound and inbound direction, to monitor packets on specified ports for network detection and troubleshooting.

Outstanding management capacity

H3C S5120V3-LI switch series supports Simple Network Management Protocol (SNMP) v1/v2/v3, which can be managed by iMC. This series supports CLI command line, Web-based network management, and Telnet for easier device management, as well as encryption methods like SSH2.0 for more secure management.

H3C S5120V3-LI switch series supports VLAN classification based on MAC address, which is a good solution for intelligent and flexible management of mobile office; combined with ACL policies in the global or VLAN mode, it simplifies configuration and minimizes hardware resources.

Layer 3 routing features

H3C S5120V3-LI switch series provides rich layer 3 routing features and supports static routing, RIP, RIPng, and OSPF V1/V2/V3.

Green Design

The S5120V3-LI series switch implements a variety of green energy saving features, including auto-power-down (port automatic energy saving), if the interface status has been down for a period of time, the system automatically stops the interface power and the system enters power-saving mode. They also support EEE energy feature, by which if a port stays idle for a period of time, the system will set the port to energy-saving mode.

The S5120V3-10P-LI, S5120V3-10P-PWR-LI, S5120V3-20P-LI, S5120V3-28P-LI and S5120V3-28S-LI switches are fan-less design, significantly reduce devices power consumption and noise.

Hardware Specifications

FeatureSpecification
Switching Capacity40 Gbps
Forwarding Capacity30 Mpps
CPU1 Core, 800 MHz
Memory (Flash / SDRAM)256 MB / 512 MB
Dimensions (W × D × H)330 × 230 × 43.6 mm
Weight≤ 2 kg
Management Port1 × Console Port
Network Interfaces16 × 10/100/1000 TX + 4 × SFP
Stacking Bandwidth (Max)16 Gbps
Max Stacking Units9
Port Surge Protection6 KV
Input VoltageAC: 100–240V, 50/60 Hz
Power ConsumptionMin: 9W / Max: 19W
FanFan-less
MTBF136.24 years
MTTR1 hour
Operating Temperature-5°C to 50°C (varies with transceivers)
Storage Temperature-40°C to 70°C
Humidity5% – 95% (non-condensing)

Software Specifications

Performance Specification

Entries

S5120V3-10P-LI, S5120V3-10P-PWR-LI, S5120V3-28P-HPWR-LI,

S5120V3-28S-LI, S5120V3-28S-PWR-LI, S5120V3-28S-HPWR-LI,

S5120V3-52S-LI, S5120V3-52S-PWR-LI, S5120V3-28F-LI

S5120V3-20P-LI, S5120V3-28P-LI,

S5120V3-28P-PWR-LI, S5120V3-52P-LI,

S5120V3-52P-PWR-LI

MAC address entries

16K

8K

Static Mac address

1K

VLAN table

4094

VLAN interface

32

IPv4 routing entries

1024

512

IPv4 ARP entries

1024

128

IPv4 ACL entries

512

256

IPv4 multicast L2 entries

1000

IPv6 unicast routing entries

240

16

QOS forward queues

8

IPv6 ACL entries

256

IPv6 ND entries

240

64

Jumbo frame length

10000

MAX num in one link group

8

Link group num

124

PoE Power Capacity

Product Name

Total PoE power capacity

PoE Ports Quantity

S5120V3-10P-PWR-LI

125W

15.4W (802.3af): 8

30W (802.3at): 4

S5120V3-28P-PWR-LI

240W

15.4W (802.3af): 15

30W (802.3at): 8

S5120V3-28P-HPWR-LI

370W

15.4W (802.3af): 24

30W (802.3at): 12

S5120V3-52P-PWR-LI

370W

15.4W (802.3af): 24

30W (802.3at): 12

S5120V3-28S-PWR-LI

240W

15.4W (802.3af): 15

30W (802.3at): 8

S5120V3-28S-HPWR-LI

370W

15.4W (802.3af): 24

30W (802.3at): 12

S5120V3-52S-PWR-LI

370W

15.4W (802.3af): 24

30W (802.3at): 12

Standards and Protocols Compliance

Organization

Standards And Protocols

IEEE

802.1x Port based network access control protocol

802.1ab Link Layer Discovery Protocol

802.1ak MVRP and MRP

802.1ax Link Aggregation

802.1d Media Access Control Bridges

802.1p Priority

802.1q VLANs

802.1s Multiple Spanning Trees

802.1ag Connectivity Fault Management

802.1v VLAN classification by Protocol and Port

802.1w Rapid Reconfiguration of Spanning Tree

802.3ad Link Aggregation Control Protocol

802.3af Power over Ethernet

802.3at Power over Ethernet

802.3az Energy Efficient Ethernet

802.3ah Ethernet in the First Mile

802.3x Full Duplex and flow control

802.3u 100BASE-T

802.3ab 1000BASE-T

802.3z 1000BASE-X

IETF

RFC 768 User Datagram Protocol (UDP)

RFC 791 Internet Protocol (IP)

RFC 792 Internet Control Message Protocol (ICMP)

RFC 793 Transmission Control Protocol (TCP)

RFC 813 Window and Acknowledgement Strategy in TCP

RFC 815 IP datagram reassembly algorithms

RFC 8201 Path MTU Discovery for IP version 6

RFC 826 Address Resolution Protocol (ARP)

RFC 879 TCP maximum segment size and related topics

RFC 896 Congestion control in IP/TCP internetworks

RFC 917 Internet subnets

RFC 919 Broadcasting Internet Datagrams

RFC 922 Broadcasting Internet Datagrams in the Presence of Subnets (IP_BROAD)

RFC 951 BOOTP

RFC 1027 Proxy ARP

RFC 1122 Requirements for Internet Hosts - Communications Layers

RFC 1213 MIB-2 Stands for Management Information Base

RFC 1215 Convention for defining traps for use with the SNMP

RFC 1256 ICMP Router Discovery Messages

RFC 1350 TFTP Protocol (revision 2)

RFC 1393 Traceroute Using an IP Option

RFC 1519 Classless Inter-Domain Routing (CIDR)

RFC 1542 BOOTP Extensions

RFC 1583 OSPF Version 2

RFC 1591 Domain Name System Structure and Delegation

RFC 1757 Remote Network Monitoring Management Information Base

RFC 1812 Requirements for IP Version 4 Router

RFC 1918 Address Allocation for Private Internet

RFC 2131 Dynamic Host Configuration Protocol (DHCP)

RFC 2132 DHCP Options and BOOTP Vendor Extensions

RFC 2273 SNMPv3 Applications

RFC 2328 OSPF Version 2

RFC 2375 IPv6 Multicast Address Assignments

RFC 2401 Security Architecture for the Internet Protocol

RFC 2402 IP Authentication Header

RFC 2460 Internet Protocol, Version 6 (IPv6) Specification

RFC 2464 Transmission of IPv6 over Ethernet Networks

RFC 2576 (Coexistence between SNMP V1, V2, V3)

RFC 2579 Textual Conventions for SMIv2

RFC 2580 Conformance Statements for SMIv2

RFC 2711 IPv6 Router Alert Option

RFC 2787 Definitions of Managed Objects for the Virtual Router Redundancy Protocol

RFC 2925 Definitions of Managed Objects for Remote Ping, Traceroute, and Lookup Operations

RFC 3101 OSPF Not-so-stubby-area option

RFC 3046 DHCP Relay Agent Information Option

RFC 3056 Connection of IPv6 Domains via IPv4 Clouds

RFC 3137 OSPF Stub Router Advertisment sFlow

RFC 3416 (SNMP Protocol Operations v2)

RFC 3417 (SNMP Transport Mappings)

RFC 3418 Management Information Base (MIB) for the Simple Network Management Protocol (SNMP)

RFC 3484 Default Address Selection for IPv6

RFC 3509 Alternative Implementations of OSPF Area Border Routers

RFC 3580 IEEE 802.1X Remote Authentication Dial In User Service (RADIUS) Usage Guidelines

RFC 3623 Graceful OSPF Restart

RFC 4022 MIB for TCP

RFC 4113 MIB for UDP

RFC 4213 Basic Transition Mechanisms for IPv6 Hosts and Routers

RFC 4251 The Secure Shell (SSH) Protocol

RFC 4252 SSHv6 Authentication

RFC 4253 SSHv6 Transport Layer

RFC 4254 SSHv6 Connection

RFC 4291 IP Version 6 Addressing Architecture

RFC 4292 IP Forwarding Table MIB

RFC 4293 Management Information Base for the Internet Protocol (IP)

RFC 4419 Key Exchange for SSH

RFC 4443 ICMPv6

RFC 4541 IGMP & MLD Snooping Switch

RFC 4552 Authentication/Confidentiality for OSPFv3

RFC 4750 OSPFv2 MIB partial support no SetMIB

RFC 4861 IPv6 Neighbor Discovery

RFC 4862 IPv6 Stateless Address Auto-configuration

RFC 4940 IANA Considerations for OSPF

RFC 5095 Deprecation of Type 0 Routing Headers in IPv6

RFC 5187 OSPFv3 Graceful Restart

RFC 5340 OSPFv3 for IPv6

RFC 5424 Syslog Protocol

RFC 5880 Bidirectional Forwarding Detection

RFC 5905 Network Time Protocol Version 4: Protocol and Algorithms Specification

RFC 6620 FCFS SAVI

RFC 6987 OSPF Stub Router Advertisement

RFC 5381 Experience of Implementing NETCONF over SOAP

ITU

ITU-T Y.1731

ITU-T Rec G.8032/Y.1344 Mar. 2010

Feature

S5120V3-LI switch series

Port aggregation

GE/10GE port aggregation

Dynamic aggregation

Static aggregation

Cross-device aggregation

Broadcast/Multicast/Unicast storm suppression

Storm suppression based on port bandwidth percentage

Storm suppression based on PPS

Storm suppression based on BPS

Broadcast traffic/Multicast traffic/Unknown unicast traffic suppression

Traffic control

802.3x traffic control and half-duplex backpressure

IRF2

Distributed device management, distributed link aggregation, and distributed resilient routing

Stacking through standard Ethernet interfaces

Local device stacking and remote device stacking

MAC address table

Static MAC address

Blackhole MAC address

Setting the maximum number of port MAC addresses to be learned

VLAN

Port-based VLAN

MAC-based VLAN

Protocol-based VLAN

QinQ and selective QinQ

VLAN mapping

Voice VLAN

MVRP

DHCP

DHCP Client

DHCP Snooping

DHCP Snooping option82

DHCP Relay

DHCP Server

DHCP auto-config

VLAN interface

Both IPv4 and IPv6 supported

ARP

ARP Detection

ARP speed limit

IP routing

Static routing

RIPv1/v2 and RIPng

OSPFv1/v2 and OSPFv3

Multicast

IGMP Snooping V2/V3

PIM Snooping

MLD Snooping

Multicast VLAN

Multicast VLAN+

Layer 2 ring network protocol

STP/RSTP/MSTP/PVST/PVST+

STP Root Protection

Smart Link

RRPP

G.8032 ERPS (Ethernet Ring Protection Switching)

ACL

Packet filtering at Layer 2 through layer 4 Traffic classification based on source MAC addresses, destination MAC addresses, source IPv4/IPv6 addresses,

Time range-based ACL

VLAN-based ACL

Bidirectional ACL

QoS

Port rate limit (receiving and transmitting)

Packet redirection

Committed access rate (CAR)

Eight output queues on each port

Flexible queue scheduling algorithms based on ports and queues, including SP, WRR and SP+WRR

802.1p DSCP remarking

Traffic Statistic

Sflow

Forwarding

Wire-speed/Line-rate architecture

Mirroring

Port mirroring

Traffic mirroring

RSPAN

Security

Hierarchical user management and password protection

AAA authentication support

RADIUS authentication

HWTACACS

SSH2.0

Port isolation

802.1X authentication, centralized MAC authentication

Port security

IP Source Guard

HTTPs

EAD

Management and

maintenance

Loading and upgrading through XModem/FTP/TFTP

Zero Touch Provisioning

Configuration through CLI, Telnet, and console port

SNMPv1/v2c/v3 and Web-based NMS

Restful

Remote monitoring (RMON ) alarm, event, and history recording

IMC NMS

System log, alarming based on severities, and output of debugging information

NTP

Ping, Tracert

NQA

Virtual cable test (VCT)

Device link detection protocol (DLDP)

Loopback-detection

EMC

FCC Part 15 Subpart B CLASS A

ICES-003 CLASS A

VCCI CLASS A

CISPR 32 CLASS A

EN 55032 CLASS A

AS/NZS CISPR32 CLASS A

CISPR 35

EN 55035

EN 61000-3-2

EN 61000-3-3

GB/T 9254.1

Safety

UL 62368-1

CAN/CSA C22.2 No 62368-1

IEC 62368-1

EN 62368-1

AS/NZS 62368-1

FDA 21 CFR Subchapter J

GB 4943.1



Performance Specification

Entries

S5120V3-20P-LI-GL


MAC address entries

16K


Static Mac address

1K

VLAN table

4094

VLAN interface

32

IPv4 routing entries

1024


IPv4 ARP entries

1024


IPv4 ACL entries

512


IPv4 multicast L2 entries

1000

IPv6 unicast routing entries

240


QOS forward queues

8

IPv6 ACL entries

256

IPv6 ND entries

240


Jumbo frame length

10000

MAX num in one link group

8

Link group num

124

PoE Power Capacity

Product Name

Total PoE power capacity

PoE Ports Quantity

S5120V3-10P-PWR-LI

125W

15.4W (802.3af): 8

30W (802.3at): 4

S5120V3-28P-PWR-LI

240W

15.4W (802.3af): 15

30W (802.3at): 8

S5120V3-28P-HPWR-LI

370W

15.4W (802.3af): 24

30W (802.3at): 12

S5120V3-52P-PWR-LI

370W

15.4W (802.3af): 24

30W (802.3at): 12

S5120V3-28S-PWR-LI

240W

15.4W (802.3af): 15

30W (802.3at): 8

S5120V3-28S-HPWR-LI

370W

15.4W (802.3af): 24

30W (802.3at): 12

S5120V3-52S-PWR-LI

370W

15.4W (802.3af): 24

30W (802.3at): 12

Standards and Protocols Compliance

Organization

Standards And Protocols

IEEE

802.1x Port based network access control protocol

802.1ab Link Layer Discovery Protocol

802.1ak MVRP and MRP

802.1ax Link Aggregation

802.1d Media Access Control Bridges

802.1p Priority

802.1q VLANs

802.1s Multiple Spanning Trees

802.1ag Connectivity Fault Management

802.1v VLAN classification by Protocol and Port

802.1w Rapid Reconfiguration of Spanning Tree

802.3ad Link Aggregation Control Protocol

802.3af Power over Ethernet

802.3at Power over Ethernet

802.3az Energy Efficient Ethernet

802.3ah Ethernet in the First Mile

802.3x Full Duplex and flow control

802.3u 100BASE-T

802.3ab 1000BASE-T

802.3z 1000BASE-X

IETF

RFC 768 User Datagram Protocol (UDP)

RFC 791 Internet Protocol (IP)

RFC 792 Internet Control Message Protocol (ICMP)

RFC 793 Transmission Control Protocol (TCP)

RFC 813 Window and Acknowledgement Strategy in TCP

RFC 815 IP datagram reassembly algorithms

RFC 8201 Path MTU Discovery for IP version 6

RFC 826 Address Resolution Protocol (ARP)

RFC 879 TCP maximum segment size and related topics

RFC 896 Congestion control in IP/TCP internetworks

RFC 917 Internet subnets

RFC 919 Broadcasting Internet Datagrams

RFC 922 Broadcasting Internet Datagrams in the Presence of Subnets (IP_BROAD)

RFC 951 BOOTP

RFC 1027 Proxy ARP

RFC 1122 Requirements for Internet Hosts - Communications Layers

RFC 1213 MIB-2 Stands for Management Information Base

RFC 1215 Convention for defining traps for use with the SNMP

RFC 1256 ICMP Router Discovery Messages

RFC 1350 TFTP Protocol (revision 2)

RFC 1393 Traceroute Using an IP Option

RFC 1519 Classless Inter-Domain Routing (CIDR)

RFC 1542 BOOTP Extensions

RFC 1583 OSPF Version 2

RFC 1591 Domain Name System Structure and Delegation

RFC 1757 Remote Network Monitoring Management Information Base

RFC 1812 Requirements for IP Version 4 Router

RFC 1918 Address Allocation for Private Internet

RFC 2131 Dynamic Host Configuration Protocol (DHCP)

RFC 2132 DHCP Options and BOOTP Vendor Extensions

RFC 2273 SNMPv3 Applications

RFC 2328 OSPF Version 2

RFC 2375 IPv6 Multicast Address Assignments

RFC 2401 Security Architecture for the Internet Protocol

RFC 2402 IP Authentication Header

RFC 2460 Internet Protocol, Version 6 (IPv6) Specification

RFC 2464 Transmission of IPv6 over Ethernet Networks

RFC 2576 (Coexistence between SNMP V1, V2, V3)

RFC 2579 Textual Conventions for SMIv2

RFC 2580 Conformance Statements for SMIv2

RFC 2711 IPv6 Router Alert Option

RFC 2787 Definitions of Managed Objects for the Virtual Router Redundancy Protocol

RFC 2925 Definitions of Managed Objects for Remote Ping, Traceroute, and Lookup Operations

RFC 3101 OSPF Not-so-stubby-area option

RFC 3046 DHCP Relay Agent Information Option

RFC 3056 Connection of IPv6 Domains via IPv4 Clouds

RFC 3137 OSPF Stub Router Advertisment sFlow

RFC 3416 (SNMP Protocol Operations v2)

RFC 3417 (SNMP Transport Mappings)

RFC 3418 Management Information Base (MIB) for the Simple Network Management Protocol (SNMP)

RFC 3484 Default Address Selection for IPv6

RFC 3509 Alternative Implementations of OSPF Area Border Routers

RFC 3580 IEEE 802.1X Remote Authentication Dial In User Service (RADIUS) Usage Guidelines

RFC 3623 Graceful OSPF Restart

RFC 4022 MIB for TCP

RFC 4113 MIB for UDP

RFC 4213 Basic Transition Mechanisms for IPv6 Hosts and Routers

RFC 4251 The Secure Shell (SSH) Protocol

RFC 4252 SSHv6 Authentication

RFC 4253 SSHv6 Transport Layer

RFC 4254 SSHv6 Connection

RFC 4291 IP Version 6 Addressing Architecture

RFC 4292 IP Forwarding Table MIB

RFC 4293 Management Information Base for the Internet Protocol (IP)

RFC 4419 Key Exchange for SSH

RFC 4443 ICMPv6

RFC 4541 IGMP & MLD Snooping Switch

RFC 4552 Authentication/Confidentiality for OSPFv3

RFC 4750 OSPFv2 MIB partial support no SetMIB

RFC 4861 IPv6 Neighbor Discovery

RFC 4862 IPv6 Stateless Address Auto-configuration

RFC 4940 IANA Considerations for OSPF

RFC 5095 Deprecation of Type 0 Routing Headers in IPv6

RFC 5187 OSPFv3 Graceful Restart

RFC 5340 OSPFv3 for IPv6

RFC 5424 Syslog Protocol

RFC 5880 Bidirectional Forwarding Detection

RFC 5905 Network Time Protocol Version 4: Protocol and Algorithms Specification

RFC 6620 FCFS SAVI

RFC 6987 OSPF Stub Router Advertisement

RFC 5381 Experience of Implementing NETCONF over SOAP

ITU

ITU-T Y.1731

ITU-T Rec G.8032/Y.1344 Mar. 2010

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