eSpace IAD
Troubleshooting
2 Analyzing and Rectifying Faults
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Inconsistent heartbeat timeout durations on the IAD and softswitch
MAC address conflict
Solution
Step 1 Check whether the IAD is registered with the softswitch.
If no, verify that the IAD configuration is correct.
If yes, go to Step 2.
Step 2 Ping the softswitch IP address to check the delay time and packet loss.
If the delay time is too long and packet loss occurs, the bearer network performance is
poor. Verify the network connection.
If the network is normal, go to Step 3.
Step 3 Check whether the IAD registration status is synchronized with that on the softswitch.
If no, verify the network connection.
If yes, go to Step 4.
Step 4 Check whether IP addresses conflict.
If yes, change the IAD IP address.
If no, go to Step 5.
Step 5 Check whether the domain names conflict on multiple IADs.
If yes, change the MG domain names on the IAD and MGC server to solve the conflict.
If no, go to Step 6.
Step 6 Use the Wireshark to analyze packets to check whether the softswitch responds to the
heartbeat message sent by the IAD.
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.
Step 7 Check whether the heartbeat timeout durations on the IAD and softswitch are the same.
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.
Step 8 Check whether MAC addresses conflict.
If yes, change the IAD MAC address.
If no, go to Step 9.
Step 9 Contact Huawei technical support.
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