CAUTION
To facilitate fault report, save the results of the following steps.
Procedure
Step 1 Perform 8.11 DHCP Dialup Emulation Test for the affected user on the ONU.
l If the test result is not "get IP successful", go to Step 4.
NOTE
If the test result is "send packet fail", "DHCP server not found", "DHCP server refuse request", or "get IP
overtime", the upper-layer device of the MA5612 is faulty.
l If the test result is "get IP successful", go to Step 2.
Step 2 Check the user terminal.
1. Replace the user's PC with another one and then perform a dialup test to check whether the
new PC can obtain an IP address.
l If the new PC can obtain an IP address, the fault is on the user's PC. Check whether the
PC's NIC is faulty or disabled, and address the problem. Then, go to Step 11.
l If the new PC fails to obtain an IP address, go to Step 2.2.
2. Replace the user terminal with another one and then check whether the new user terminal
can obtain an IP address.
l If the new user terminal can obtain an IP address, go to Step 11.
l If the new user terminal fails to obtain an IP address, go to Step 3.
Step 3 Check the interoperability between the user terminal and the ONU.
1. In ETH mode, run the display port state portid command on the ONU to check whether
Active State of the Ethernet port is active.
l If Active State of the Ethernet port is active, go to Step 3.3.
l If Active State of the Ethernet port is not active, go to Step 3.2.
2. Run the undo shutdown portid command to activate the Ethernet port. Then, check
whether it is in the active state.
l If it is in the active state, go to Step 3.3.
l If it is not in the active state, go to Step 3.9.
3. Run the display port state portid command to check whether Link of the Ethernet port is
online.
l If Link of the Ethernet port is online, go to Step 3.4.
l If Link of the Ethernet port is not online, go to Step 3.5.
4. Check whether the PC can obtain an IP address.
l If the PC can obtain an IP address, go to Step 11.
l If the PC fails to obtain an IP address, go to Step 4.
5. Check the quality of the physical line between the ONU and the user terminal to determine
whether the line is not connected properly or the line is old. Reconnect the line properly or
replace the old line as needed to ensure good line quality. Then, check whether Link of the
Ethernet port is online.
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.
125
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