This document describes how to check the switch interface or port status and how to locate an interface physically down fault and restore the interface to the up state. Hardware failures: include hard...
Information If the wavelength and speed of the optical transceiver and the switch do not match, you can try to change the optical
Information Check whether the optical module is Huawei-certified. If it is not certified by Huawei, replace it with a Huawei certified one. Remove
Information Problem and solution of lumen lamp not shining after installing light module Q1: The Optical transceiver and two pairs
Information What Can I Do If a Message Is Displayed Indicating that an Optical Module Is Not Supported During Stack Port Configuration? When
Information After an SFP-GE copper or optical module is installed on a GE or 10GE optical interface, or a high-speed cable is
Information The transmission medium type pre-configuration function can be configured on an optical interface only when the
Information This article summarizes several solutions for using optical modules with switches and common problems encountered
Information When using switches, we may encounter many confusions, such as what types of optical modules are needed for
Information How to troubleshoot a fiber optic transceiver? This article will focus on how to troubleshoot and resolve transmission,
Information Possible Cause The working rate, duplex mode, and negotiation mode of the two ends of the optical interface are
Information When certifying an optical module, Huawei comprehensively verifies the functions of the optical module to ensure the optical module
Information Checking the Working Modes Check whether the working modes of two optical modules are correct, including the
Information If the alarm message "Non-Huawei-Certified Transceiver" or "Non-Huawei-Ethernet-Switch-Certified Transceiver" is
Information If the fault persists, replace the optical module with a normal one of the same type to check whether the optical module is faulty. If the
Information When certifying an optical module, Huawei switches comprehensively verify optical module functions to ensure the optical module
Information The configured optical power alarm thresholds must be within the default range. The default optical power alarm thresholds are
Information If the problem is not caused by the optical modules, fibers, or intermediate device, connect the switch to another interface or replace
Information If the transmission medium does not match the interface, replace the optical module, optical fiber/cable, or copper cable to ensure
Information Troubleshooting Optical Module Issues Symptom An optical port cannot go Up. The optical module cannot be properly
Information If there is a Huawei logo on the label, the optical module has been certified for Huawei data center switches. If not,
Information Interfaces that use optical modules that are not certified for Huawei data center switches may be unable to go Up. If an optical
Information Optical transceivers are widely applied in switches, network cards, routers and other communication devices.
Information Check whether the optical modules are certified for Huawei Ethernet switches. If not, contact the supplier of the optical modules.
Information An optical module with a longer transmission distance supports higher transmit power. If an optical module supporting a long
Information In summary, after confirming that the transmission media (optical fibers or cables) are correct, check whether the working mode of
Information A: Under the premise that the equipment is working normally, you need to troubleshoot the fiber line itself first, and
Information The switch must have optical modules certified for Huawei switches installed. Optical modules that are not certified for Huawei
Information Receiving power too high (Current RX Power > Default RX Power High Threshold): May caused by using long
Information Procedure Check whether the optical modules are Huawei-certified ones. If not, contact the supplier of the optical modules. If
Information If the distance is within the transmission distance of the remote optical module, check whether the optical module and
Information Taking the Huawei 5700 series switches as an example, the commands to view optical module information are as
Information Non-Huawei certified optical modules cannot ensure transmission reliability and may affect service stability. Huawei is not
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