Nov 01, 2025
Optical transceivers are widely applied in switches, network cards, routers and other communication devices. Checking transceiver parameters allows users to monitor real-time
Jun 15, 2026
Troubleshooting S Series Switch Port and Interface Problems This document describes how to check the switch interface or port status and how to locate an interface physically down fault and restore the
Oct 15, 2025
Product Overview Huawei S6320-SI series switches are Huawei-developed next-generation multigigabit 10GE fixed switches. The S6320-SI can provide high-speed wireless access, and access for 10GE
Sep 28, 2025
If the local combo optical interface is connected to a remote optical interface, configure the combo interface to work in fiber mode. If the local combo interface is configured to work in a
Jun 05, 2026
The Combo electrical port and its corresponding optical port are logically multiplexed. Users can choose either port according to actual networking requirements, but the two cannot
Oct 01, 2025
CloudEngine S5732-H Series Hybrid Optical-Electrical Switches CloudEngine S5732-H series hybrid optical-electrical switches are brand-new 10GE access switche that provides 24-port (optical) + 24
Jul 04, 2026
CX11x, CX31x, CX710 (Earlier Than V6.03), and CX91x Series Switch Modules V100R001C10 Command Reference 17 This document provides the configuration commands of each feature
Jun 30, 2026
If the optical port has an optical module installed and the electrical port has an Ethernet cable connected, the optical port is used for data switching after the switch restarts. You can configure a
Aug 30, 2025
In the middle of these 16 racks is 4 racks of scale up switches. To bring up world size, Huawei is scaling up across multiple racks and to do that
Mar 06, 2026
Currently, XGE interfaces on Huawei switches do not support the undo negotiation auto command when no optical module is installed. As a result, the deployment workload increases.
Dec 24, 2025
10GE SFP+ optical port A 10GE SFP+ Ethernet optical port supports auto-sensing to 1000 Mbit/s. It sends and receives service data at 1000 Mbit/s or 10 Gbit/s. Table 4-1201 describes the attributes of
May 11, 2026
Check whether an optical module is a bogus one. An optical module delivered by Huawei is uniquely identified by an SN. If two or more optical modules have the same SN, bogus optical modules are
Oct 25, 2025
In the daily maintenance of Huawei switches, we need to use various inspection commands. Today, let''s take a look at the commonly used inspection
Nov 08, 2025
Huawei Ethernet Switches Turbocharge your enterprise network with high-performance, high-availability for resilient services and simplified management.
Jan 22, 2026
If the auto-negotiation mode is used but the interface cannot go Up, set the same rate and duplex mode for both interfaces and test again. By default, the interface works as an electrical interface. Force it to
Dec 26, 2025
When connecting two devices, check whether optical modules match optical interfaces, whether optical modules match fiber models, and whether optical modules and fibers are connected correctly.
Aug 12, 2025
Use the command display transceiver to view the optical module information of all optical ports, and use the command display transceiver interface interface-type interface-number to view the
Jun 10, 2026
Use an optical fiber to perform a loopback test on the Huawei device. If the link goes Up, the Huawei device is working properly, and the fault may occur on the peer device or the link.
Mar 24, 2026
Huawei CloudEngine S5732-H Series Hybrid Optical-Electrical Switch offer 2.4 Tbit/s switching capacity and long distance access for Wi-Fi 6 APs. Learn more.
Nov 27, 2025
When using switches, we may encounter many confusions, such as what types of optical modules are needed for different models of Huawei switches, and how to resolve issues encountered
Nov 08, 2025
Identify a combo port based on the interface identifier on the switch panel. If two ports have the same ID but connect to different transmission media, the two ports are multiplexed as a
Sep 13, 2025
A switch must use optical or copper modules that have been certified for use on Huawei switches. Non-certified optical or copper modules cannot ensure transmission reliability and may affect service
Feb 20, 2026
AOC An active optical cable (AOC) is a fixed-length optical fiber with optical modules at both ends. It can be directly connected to an optical port on a device. In short-distance connection scenarios, AOCs
Mar 15, 2026
Huawei S5330-HI Series Switches Product Huawei S5330-HI gigabit ethernet switches are Huawei-developed next-generation agile switches that provide fixed full gigabit access and 10GE uplink
Jun 25, 2026
Check whether the optical module is Huawei-certified. If it is not certified by Huawei, replace it with a Huawei certified one. Remove and reinstall the optical module. If
Feb 22, 2026
This guide dives into the step-by-step process of port configuration on Huawei switches, while addressing the often-overlooked question: Does opening ports inadvertently create backdoors
Feb 16, 2026
If the problem is not caused by the optical modules, fibers, or intermediate device, connect the switch to another interface or replace the switch to check whether
Sep 26, 2025
If you want to change the port speed of the QSFP28 from 100GB to 40GB, you have to run the command “undo assign port-type 100ge all” in the system-view. This will change the port
Aug 20, 2025
When you enable the electrical or optical interface, configure the interface attributes (such as the rate and duplex mode) in the same interface view. The electrical and optical interfaces
Mar 05, 2026
This page provides configuration commands for Ethernet interfaces on Huawei devices, covering settings like duplex mode and auto-negotiation.
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