l
If the PC can obtain an IP address, go to
l
If the PC fails to obtain an IP address, go to
.
Step 10
Record the results of the preceding steps in the form for reporting a fault (see Fault Report Form),
fill out the entire form, and then submit the form to Huawei for technical support (see
).
Step 11
End.
----End
5.1.4 Troubleshooting Low Internet Access Rate
Low Internet access rate indicates that the attainable Internet access rates for users are lower
than the rates provided them. This section describes how to troubleshoot low access rates when
local area network (LAN) users on fiber to the building (FTTB) and fiber to the curb (FTTC)
networks access the Internet.
Fault Location
Use the following guidelines to locate the fault.
Fault Location
Location Analysis
Possible Causes
User terminal
The fault does not recur when the
user's PC is replaced.
l
The PC's network interface card
(NIC) is faulty.
l
The user's PC is infected with
viruses.
l
The computer does not meet the
minimum configuration
requirements.
The fault does not recur when the
user terminal is replaced.
The user terminal is faulty.
Link between
user terminal and
ONU
Packet loss on the subscriber line
is severe.
A fault has occurred on the
subscriber line.
l
The quality of the subscriber line
is deteriorated.
l
The subscriber line is old.
l
The subscriber line connectors
are loose.
ONU
The Internet access rate on a single
port is low.
l
The rate restriction configuration
for the user is incorrect.
l
Certain users' Internet access
rates are restricted on the BRAS.
The Internet access rates on all
ONU ports are low.
l
A user's MAC address has drifted
between ONU ports.
l
The upstream bandwidth on the
ONU is insufficient.
SmartAX MA5612 Multi-service Access Module
Maintenance Guide
5 Troubleshooting Services Transmitted Through a GPON
Port
Issue 01 (2012-07-25)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
129