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Choose Standard (SI) models for L2 and basic L3 switching; Enhanced (EI) models support IP multicasting and more complex routing protocols (OSPF, IS-IS, BGP).
HUAWEI S3700 Series Switches S3700-SI S3700-EI
Device Architecture
The S3700 adopts an integrated hardware platform that provides the front-access structure. An S3700 consists of the chassis, power supply unit, fan, and switch control unit (SCU).
S3700 Appearances
Table 1 shows the front views of S3700.
|
Model |
Image |
|---|---|
|
S3700-28TP-SI-AC S3700-28TP-EI-AC |
 |
|
S3700-28TP-SI-DC S3700-28TP-EI-DC |
 |
|
S3700-28TP-EI-24S-AC |
 |
|
S3700-52P-EI-24S-AC S3700-52P-EI-24S-DC |
 |
|
S3700-52P-EI-48S-AC S3700-52P-EI-48S-DC |
 |
|
S3700-52P-EI-AC S3700-52P-EI-DC S3700-52P-SI-AC |
 |
|
S3700-28TP-PWR-EI |
 |
| S3700-28TP-PWR-SI |  |
|
S3700-52P-PWR-EI |
 |
| S3700-52P-PWR-SI |  |
|
S3700-28TP-EI-MC-AC |
 |
Hardware Modules
Figure 1 shows the logical structure of hardware modules of the S3700.
Hardware modules of the S3700 refer to the SCU, power supply, and fan.
The S3700 series enterprise switches (S3700s) are next-generation energy-saving Layer 3 switches. The S3700 utilizes cutting-edge hardware and Huawei Versatile Routing Platform (VRP) software to provide high-performance access and aggregation to an enterprise campus network. The S3700 is easy to install and maintain. With its flexible VLAN deployment, PoE capabilities, comprehensive routing functions, and capability to migrate to an IPv6 network, the S3700 helps enterprise customers build next-generation IT networks. In addition, the S3700 uses advanced reliability technologies such as stacking, VRRP, and RRPP, enhancing network reliability and diversity. The S3700 is a box device that is 1 U high. It is available in a standard version (SI), an enhanced version (EI), and an advanced version (HI). The SI version provides Layer 2 functions and basic Layer 3 functions. The EI version supports complex routing protocols and provides more functions than the SI version offers. In addition to the functions of EI, HI supports higher-specification MAC addresses, routes, and multicast table entries, along with powerful hardware capabilities.
Flexible Networking Capability
The S3700 provides 10/100BASE-T Ethernet electrical interfaces, 10/100/1000BASE-T electrical interfaces, and 100/1000BASE-X Ethernet optical interfaces. It supports multiple interface types such as access, trunk, and hybrid.
The S3700 provides swappable Small Form-Factor Pluggable (SFP) optical modules for optical fiber connections.The length of optical fibers can be selected according to the transmission distance.
The S3700 can be used to construct a tree, star, or ring Ethernet network. For the ring Ethernet, the S3700 supports the Spanning Tree Protocol (STP) and RRPP to prevent loops and provide rapid switchover.
Network-Level QoS Guarantee
The S3700 provides comprehensive QoS mechanisms. It can intelligently identify services and classify traffic according to Layer 2 to Layer 4 information in the Open System Interconnection (OSI) model. Then, it provides various policies such as access traffic filter, traffic policing, and queue scheduling to provide differentiated services.
High Extensibility
Based on the Huawei proprietary Versatile Routing Platform (VRP), the S3700 provides high-speed switching and various service features by integrating network management technologies.
Comprehensive Security Measures
The S3700 guarantees the security of network devices and data transmission. It provides the following security measures to protect the network against attacks initiated by malicious users:
- Packet filtering based on MAC addresses
- Various ACL policies
- Mechanism of searching the forwarding table based on VLAN IDs and MAC addresses
- Traffic suppression
In addition, the S3700 provides the following functions to ensure secure login of users:
- Providing login passwords and password encryption for login users
- Protecting commands through users levels and command levels
- Locking the configuration terminal through a certain command to prevent illegal use of the device
- Displaying confirm or prompt information for important commands that affect system performance
The S3700 provides the Automatic Laser Shutdown (ALS) function. That is, when the fiber is broken, the S3700 stops transmitting laser. This protects users against the laser.
Convenient Operation and Maintenance
In addition to collecting traffic statistics based on interfaces and VLANs, the S3700 provides fault detection and location tools such as ping and traceroute on an IP network. It can also work with the Huawei eSight network management system (NMS) to implement performance monitoring, alarm report, and fast fault location.
eSight provides various functions to help you manage the S3700, including resource management, topology management, and configuration file management, batch configuration. In addition, eSight can show important performance indicators in diagrams and tables to facilitate device management.
Energy-Saving Design
The S3700 adopts the following measures to save energy:
- It adopts natural heat dissipation so that power consumed by fans is saved.
Currently, only the SS3700-28TP-SI/EI supports natural heat dissipation.
- The chip switches to the power saving mode when no connected device is detected on a service interface, that is, the interface is idle.
- It uses highly-integrated and energy-saving chips produced through advanced processing techniques. With the help of the intelligent device management system, the chips not only improve system performance but also greatly reduce power consumption of the entire system.
Natural heat dissipation has the following advantages:
- The product reliability is high.
- There is no noise pollution.
- You do not need to maintain the fans, which saves the maintenance cost.
- The system does not have additional power consumption generated by fans, which improves the power efficiency.
- Boards are prevented from being eroded.
Advanced Lightning Protection Technologies
The S3700 adopts the Huawei patented lightning protection technologies to protect the equipment. The lightning protection technologies reduce the probability of damages caused by lightning and increase the safety factor by 30 times, thus greatly improving the device reliability.
Intelligent PoE Power Supply
The S3700 PoE switches has the PoE function. It provides centralized power supply for the attached IP phone, wireless access point (AP), portable device charger, POS machine, camera, and data collector through twisted pairs.
The PoE function of the S3700 PoE switches complies with IEEE 802.3af and IEEE 802.3at. The S3700 can provide power for the devices of different vendors remotely. In IEEE 802.3at, the maximum power supply capability is 30 W. This capability ensures adequate power for IP video phone, dualband WiFi AP, IP camera, multi-function STB11, and RFID and simplifies the network.
The S3700 PoE switches has the ability to control power supply based on time range, thus effectively managing network devices, reducing power consumption, and lowering the OPEX.
Introduction
The S3700 series adopt the integrated hardware platform and have the front-access structure. The hardware consists of the chassis, power supply, fan, and SCU. The width of the S3700 complies with the industry standards, and the S3700 can be installed in an IEC 297 cabinet or an ETSI cabinet.
The S3700 series include the S3700-28TP-SI-AC, S3700-28TP-SI-DC, S3700-28TP-EI-AC, S3700-28TP-EI-DC, S3700-28TP-EI-24S-AC, S3700-52P-EI-24S-AC, S3700-52P-EI-24S-DC, S3700-52P-EI-48S-AC, S3700-52P-EI-48S-DC, S3700-52P-EI-AC, S3700-52P-EI-DC, S3700-52P-SI-AC, S3700-28TP-PWR-EI, S3700-52P-PWR-EI, S3700-28TP-PWR-SI, S3700-52P-PWR-SI, and S3700-28TP-EI-MC-AC.
|
Product Series |
Model |
Maximum Number of Interfaces |
|---|---|---|
|
S3700 |
S3700-28TP-SI-AC S3700-28TP-SI-DC S3700-28TP-EI-AC S3700-28TP-EI-DC S3700-28TP-EI-MC-AC |
28 There are twenty-four 10/100BASE-TX Ethernet electrical interfaces, two 1000BASE-X Ethernet optical interfaces, and two GE combo interfaces (10/100/1000BASE-T+100/1000BASE-X). |
|
S3700-28TP-EI-24S-AC |
28 There are twenty-four 100BASE-X Ethernet optical interfaces, two 1000BASE-X Ethernet optical interfaces, and two GE combo interfaces (10/100/1000BASE-T+100/1000BASE-X). |
|
|
S3700-52P-SI-AC S3700-52P-EI-AC S3700-52P-EI-DC |
52 There are forty-eight 10/100BASE-TX Ethernet electrical interfaces, two 100/1000BASE-X Ethernet optical interfaces, and two 1000BASE-X Ethernet optical interfaces. |
|
|
S3700-52P-EI-24S-AC S3700-52P-EI-24S-DC |
52 There are twenty-four 10/100BASE-TX Ethernet electrical interfaces, twenty-four 100BASE-X Ethernet optical interfaces, two 100/1000BASE-X Ethernet optical interfaces, and two 1000BASE-X Ethernet optical interfaces. |
|
|
S3700-52P-EI-48S-AC S3700-52P-EI-48S-DC |
52 There are forty-eight 100BASE-X Ethernet optical interfaces, two 100/1000BASE-X Ethernet optical interfaces, and two 1000BASE-X Ethernet optical interfaces. |
|
|
S3700-28TP-PWR-EI S3700-28TP-PWR-SI |
28 There are twenty-four 10/100BASE-TX Ethernet electrical interfaces, two 1000BASE-X Ethernet optical interfaces, and two GE combo interfaces (10/100/1000BASE-T+100/1000BASE-X). |
|
|
S3700-52P-PWR-EI S3700-52P-PWR-SI |
52 There are forty-eight 100BASE-X Ethernet electrical interfaces, two 100/1000BASE-X Ethernet optical interfaces, and two 1000BASE-X Ethernet optical interfaces. |
Naming Rules
The following are the naming rules of the S3700-28TP-PWR-EI, S3700-52P-EI-24S-DC, S3700-28TP-SI-AC and S3700-28TP-EI-MC-AC.
