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AR Router Troubleshooting Guide

This Product Documentation provides guidance for maintaining AR Enterprise Router, covering common information collection and fault diagnostic commands, typical fault troubleshooting guide, and troubleshooting.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Top Questions from the Customer Service Hotline and Solutions

Top Questions from the Customer Service Hotline and Solutions


Problem Description



How do I change the MAC address of an interface?

How Do I Change the MAC Address of an Interface?


Does a router support the binding of one interface and multiple IP addresses?

Does a Router Support the Binding of One Interface and Multiple IP Addresses


Why do I fail to communicate with other users in the same VLAN?

Why Do I Fail to Communicate with Other Users in the Same VLAN?


Why are source MAC addresses not learned?

Why Are Source MAC Addresses Not Learned?


Why is an error message displayed during VLANIF interface creation?

Why Is an Error Message Displayed During VLANIF Interface Creation?


How do I configure VLAN assignment?

Example for Configuring VLAN Assignment


How do I verify that an interface is added to a VLAN?

How to Verify That an Interface Is Added to a VLAN


How do I configure Layer 3 link aggregation?

Example for Configuring Layer 3 Link Aggregation


Can an Eth-Trunk be configured with an IP address?

Can an Eth-Trunk Be Configured with an IP Address?


What are the differences between STP, RSTP, and MSTP?

What Are the Differences Between STP, RSTP, and MSTP?


What are the MSTP port states and how are packets processed on ports in each state?

What Are the MSTP Port States and How Are Packets Processed on Ports in Each State?

Updated: 2019-08-09

Document ID: EDOC1000079719

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