5.6 PPPoE Troubleshooting
5.6.1 PPPoE Dialup Fails
Common Causes
The application of PPPoE involves PPPoE client and PPPoE server.
This fault is commonly caused by one of the following:
l The interface configuration is incorrect.
l The physical interface frequently alternates between Up and Down states.
l User authentication fails.
l No IP address is assigned to the PPPoE client.
l No echo message is received.
Troubleshooting Flowchart
Figure 5-10 shows the troubleshooting flowchart.
Huawei AR2200-S Series Enterprise Routers
Troubleshooting 5 WAN
Issue 01 (2012-01-06) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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