Huawei eSpace IAD Troubleshooting Manual page 51

eSpace IAD
Troubleshooting
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Solution
Step 1 Check whether the IAD is registered with the softswitch.
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Step 2 Ping the softswitch IP address to check the delay time and packet loss.
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Step 3 Check whether the IAD registration status is synchronized with that on the softswitch.
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Step 4 Check whether IP addresses conflict.
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Step 5 Check whether the domain names conflict on multiple IADs.
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Step 6 Use the Wireshark to analyze packets to check whether the softswitch responds to the
heartbeat message sent by the IAD.
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Step 7 Check whether the heartbeat timeout durations on the IAD and softswitch are the same.
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Step 8 Check whether MAC addresses conflict.
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Step 9 Contact Huawei technical support.
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Issue 02 (2012-02-29)
Inconsistent heartbeat timeout durations on the IAD and softswitch
MAC address conflict
If no, verify that the IAD configuration is correct.
If yes, go to Step 2.
If the delay time is too long and packet loss occurs, the bearer network performance is
poor. V erify the network connection.
If the network is normal, go to
If no, verify the network connection.
If yes, go to Step 4.
If yes, change the IAD IP address.
If no, go to Step 5.
If yes, change the MG domain names on the IAD and MGC server to solve the conflict.
If no, go to Step 6.
You can also run the trace command to trace signaling. For details, see signaling tracing in the common
troubleshooting methods.
If no, the softswitch is faulty.
If yes, go to Step 7.
If no, run the mgcp protocol command on the IAD to change the heartbeat timeout
duration. To change the heartbeat timeout duration on the softswitch, see the related
softswitch document.
If yes, go to Step 8.
If yes, change the IAD MAC address.
If no, go to Step 9.
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Step 3.
2 Analy zing and Rectify ing Faults
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