2.6.5 The UDP Jitter Test Result Is "Failed", "No Result" or "Packet
Loss"
Common Causes
The UDP jitter test result displayed in the display nqa results command output can be "failed",
"no result", or "packet loss". In the command output,
l If the "Completion" field is displayed as "failed", the test fails.
l If the "Completion" field is displayed as "no result", the test has no result.
l If the "lost packet ratio" field is not 0%, packet loss occurs.
This fault is commonly caused by one of the following:
l A drop record exists in the UDP jitter test result.
l A timeout record exists in the UDP jitter test result.
l The TTL expires.
l The parameter frequency is incorrect.
l The parameter fail-percent is incorrect.
Troubleshooting Flowchart
Figure 2-13 Troubleshooting flowchart used when the UDP Jitter test result is "failed", "no
result", or "packet loss"
The UDP jitter test
result is failed or
packet loss
Is TTL configured?
Is frequency set?
Is fail-percent set?
Ensure that the
frequency value is
large than (interval x
probe-count x jitter-
packetnum)
Set fail-percent to a
proper value
Seek technical support
End
No
Yes
No
Yes
Yes
Yes
Yes
Ensure that the
packet TTL is large
enough for the packet
to reach the
destination
Yes
No
Yes
No
No
No
Is the fault
rectified?
Is the fault
rectified?
Is the fault
rectified?
Huawei AR2200-S Series Enterprise Routers
Troubleshooting 2 System
Issue 01 (2012-01-06) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
39
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