Huawei eSpace IAD - Two Iads on the same VLAN Cannot Ping each Other, and the Phone Does Not Ring When a User under One IAD Makes a Call to Another User under the Other IAD

eSpace IAD
Troubleshooting
2 Analyzing and Rectifying Faults
Issue 02 (2012-02-29)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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Solution
Step 1 Verify that the correct power supply is used. The input voltage for the IAD208E(M) must be
12 V.
Step 2 Check whether the phone connected to the port is hung up.

If no, hang up the phone.

If yes, go to Step 3.
Step 3 Check whether the splitter connected to the port is running properly.

If no, replace the splitter.

If yes, go to Step 4.
Step 4 Check whether the user line connected to the port is normal.

If no, replace the user line.

If yes, go to Step 5.
Step 5 Contact Huawei technical support.
----End
2.3.21 Two IADs on the Same VLAN Cannot Ping Each Other, and
the Phone Does Not Ring When a User Under One IAD Makes a
Call to Another User Under the Other IAD
Symptom
Two IADs on the the same VLAN cannot ping each other. When a user under one IAD makes
a call to another user under the other IAD, the phone does not ring.
Cause
The possible causes are as follows:

The network is disconnected.

The IAD configuration is incorrect.
Solution
Step 1 Check whether the network cable is connected properly.

If no, reconnect the network cable.

If yes, go to Step 2.
Step 2 Check whether the configuration on the two IADs is correct. For details, see VLAN
configuration in the product document.

If yes, go to Step 3.

If no, modify the configuration.
Step 3 Verify that the configuration on the upstream device connected to the two IADs is correct.