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SmartAX MA5612 Multi-service Access Module
Maintenance Guide
3.
Step 4 Record the results of the preceding steps in a fault report (see Fault Report Form), fill out the
entire form, and then submit it to Huawei for technical support (see
Assistance).
Step 5 End.
----End
4.1.2 Troubleshooting the Failure to Obtain an IP Address by PPPoE
Dialup
This section describes how to troubleshoot a failure to obtain an IP address by point-to-point
over Ethernet (PPPoE) dialup mode. When a user accessing the Internet in LAN mode fails to
obtain an IP address by PPPoE dialup, refer to the following guidelines to address the issue.
Fault Location
Perform a
If the result of the PPPoE dialup emulation test is "success," the link between the MA5612 and
the upper layer broadband remote access server (BRAS) is normal. Therefore, the fault must be
located on the link between the MA5612 and the user terminal. Use the following guidelines to
locate the fault more accurately.
Fault Location
User terminal
Link between
user terminal and
MA5612
MA5612
Issue 01 (2012-07-25)
l If the PC cannot ping the IP address of the DNS, go to
Rectify the fault on the DNS. Then, check whether the user can access the Internet.
l If the user can access the Internet, go to
l If the user cannot access the Internet, go to
8.9 PPPoE Dialup Emulation Test
Location Analysis
If the fault does not recur when the
user's PC is replaced, the fault is
on the PC.
If the fault does not recur when the
user's terminal is replaced, the
fault is on the user's terminal.
The link state of the user port is
offline.
The fault does not recur when the
line of the affected user is
connected to another user port.
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4 Troubleshooting Services Transmitted Through a GE Port
Step
5.
Step
4.
to determine the fault scope first.
Possible Causes
l The dialup software is not
l The network interface card
The user's terminal is faulty.
A fault has occurred on the
subscriber line.
l The quality of the subscriber line
l The subscriber line is old.
l The subscriber line connectors
The user port is deactivated.
The user port is faulty.
Step
4.
Contacting Huawei for
properly installed on the PC.
(NIC) in the PC is faulty.
is deteriorated.
are loose.
32
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Troubleshooting
