Huawei SmartAX MA5612 Maintenance Manual page 42

SmartAX MA5612 Multi-service Access Module
Maintenance Guide
Fault Location
If the result of the PPPoE dialup emulation test is not "success," the fault must be located on the
link between the MA5612 and the upper layer BRAS. Use the following guidelines to address
the fault more accurately.
Fault Location
MA5612
Upper-layer
device
To facilitate fault report, save the results of the following steps.
Issue 01 (2012-07-25)
Location Analysis
The configured service port data is
inconsistent with the data plan.
Location Analysis
The configured service port data is
inconsistent with the data plan.
The uplink port forwards no
service stream to the upper layer
device.
The security configuration is
incorrect.
A MAC address drift occurs.
The configuration of the upper
layer router is incorrect.
The BRAS configuration is
incorrect.
CAUTION
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4 Troubleshooting Services Transmitted Through a GE Port
Possible Causes
The configured service port data,
such as the port ID, is incorrect.
Possible Causes
The configured service port data,
such as the VLAN ID, is incorrect.
The uplink port on the MA5612 is
not added to the upstream VLAN.
l The Policy Information Transfer
l The configured number of MAC
l The configuration of the anti-
l An access control list (ACL) that
A user or BRAS MAC address may
drift because of attacks or a loop on
the network.
The maximum transmission unit
(MTU) or the quality of service
(QoS) value configured on the upper
layer router is not correct.
The user's account is restricted on
the BRAS.
Protocol (PITP) configuration is
incorrect.
addresses that can be
dynamically learned by the
service port is incorrect.
MAC address spoofing function
is incorrect.
does not allow transmission of
PPPoE packets is configured.
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