Pixelation In A Multicast Program - Huawei SmartAX MA5612 Maintenance Manual

SmartAX MA5612 Multi-service Access Module
Maintenance Guide
2.
3.
Step 5 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 6 End.
----End

4.2.3 Pixelation in a Multicast Program

Pixelation in multicast programs is a fault that a user is online and orders a program but the
quality of the program is poor, such as pixelation. When pixelation occurs, locate the fault
according to the following procedure.
Issue 01 (2012-07-25)
Possibl Judgment Criterion
e
Cause
The All users of the MA5612 fail to watch
time to all programs configured on to the
live multicast server.
(TTL)
value
set for
the
multica
st
stream
of the
multica
st server
is very
small.
The Ping the multicast router and multicast
upper- server from the MA5612 separately. It
layer is found that the MA5612 fails to ping
network the multicast router and the multicast
commu server.
nication
TIP
of the
If other users of the MA5612 can watch the
OLT
program, the network between the
MA5612 and the multicast server is normal.
fails.
Order a program again and then check whether the user can watch the program successfully.
l If the user can watch the program successfully, go to
l If the user cannot watch the program, go to
Check whether all NEs are checked according to
l If all NEs are checked, go to
l If not all NEs are checked, check the remaining NEs according to
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Copyright © Huawei Technologies Co., Ltd.
4 Troubleshooting Services Transmitted Through a GE Port
Troubleshooting Method
Increase the TTL value of multicast
packets of the multicast server.
Troubleshoot the fault on the line
between the MA5612 and the
multicast router or the fault on the
line between the MA5612 and the
multicast server.
Step 4.3.
Table
Step 5.
Step 6.
4-5.
Table 4-5.
Contacting Huawei for
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