Huawei SmartAX MA5612 Maintenance Manual page 84

SmartAX MA5612 Multi-service Access Module
Maintenance Guide
Issue 01 (2012-07-25)
Table 4-10 Troubleshooting method of incorrect configurations of the MA5612
Possibl Judgment Criterion
e
Cause
The rate Run the display service-port
configu command to query the index of the Rx
red in traffic and then run the display traffic
the table ip command to query the PIR of
traffic the traffic profile. The PIR is smaller
profile than the bandwidth of the ordered
bound program.
to the
NOTE
traffic
If the PIR is smaller than the bandwidth of
stream
the ordered program, the multicast packets
are lost and pixelation occurs. If the PIR is
is lower
very small, the blank screen may occur
than the
because a large number of multicast packets
bandwi
are lost.
dth of
If the service port carrying the multicast
the
streams carries streams of other services,
multica
ensure that the total traffic of all services is
st
smaller than or equal to the PIR. Otherwise,
progra
other services may occupy the majority of
traffic streams, which leads to insufficient
m.
multicast bandwidth. As a result, the
pixelation occurs.
The common programs and high definition
(HD) programs require different
bandwidths, which are determined by the
program sources provided by the program
provider.
l Generally, the rate of a common
program is lower than 5 Mbit/s. In this
case, the default IP traffic profile 6 can
be used.
l An HD program has heavy traffic. For
example, the rate of an HD program is
higher than 12 Mbit/s. In this case, a
new traffic profile for limiting the rate
is required, or the default IP traffic
profile can be used.
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4 Troubleshooting Services Transmitted Through a GE Port
Troubleshooting Method
Bind a new traffic profile to
multicast streams.
l If a correct traffic profile is in
l If the currently configured
the system, run the service-
port 100 outbound traffic-
table index 6 command to bind
the traffic profile (assume that
the index of the multicast traffic
streams is 100 and the index of
the traffic profile is 6) to the
multicast streams again.
traffic profile does not meet the
requirement, run the traffic
table ip command to add a new
profile that meets the
requirement and then bind the
profile to the traffic streams.
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