Possibl
e
Cause
Judgment Criterion Troubleshooting Method
There
are too
many
prejoine
d static
progra
ms,
occupyi
ng too
many
bandwi
dths.
The prejoined static programs occupy
too many bandwidths.
You can obtain the bandwidth of
prejoined static programs following the
steps below:
a. Run the display igmp program
all command to query the prejoin
attribute (Prejoin) of the program.
b. Calculate the bandwidth of
prejoined static programs (Prejoin
is enable) according to the data
plan. For example, if 100 programs
are enabled with the prejoin
function and the bandwidth of each
program is 5 Mbit/s, the total
bandwidth of the prejoined static
programs is 500 Mbit/s.
Run the igmp program modify
command to modify Prejoin to
disable and then order the program
again.
NOTE
You can modify the attributes of all
multicast programs in any MVLAN.
When a program is being watched or
previewed by a user, however, its
attributes cannot be modified.
4. Check whether the user can watch the program successfully.
l If the user can watch the program successfully, go to Step 6.
l If the user cannot watch the program, go to Step 3.5.
5. Check whether all NEs are checked according to Table 4-5.
l If all NEs are checked, go to Step 5.
l If not all NEs are checked, check the remaining NEs according to Table 4-5.
Step 4 Check the upper-layer network and devices of the MA5612.
1. Find the possible cause according to judgment criteria described in Table 4-7 and then
troubleshoot the fault. Then, go to Step 4.2 to check whether the fault is rectified.
Table 4-7 Troubleshooting method of faulty upper-layer network and devices
Possibl
e
Cause
Judgment Criterion Troubleshooting Method
The
progra
m is not
configu
red on
the
multica
st
server.
The program is not configured on the
multicast server.
TIP
If the user can watch the program, this is not
the cause.
Add the program to the multicast
server.
SmartAX MA5612 Multi-service Access Module
Maintenance Guide 4 Troubleshooting Services Transmitted Through a GE Port
Issue 01 (2012-07-25) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
71
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