eSpace IAD
Troubleshooting
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
2.3.20 Port on the IAD208E(M) Is Locked.................................................................................................................54
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...................................................................55
2.3.22 Unable to Run Commands.................................................................................................................................56
2.3.23 Serial Port Failure................................................................................................................................................56
2.3.24 Start Slowness or Failure ...................................................................................................................................57
2.3.25 IAD Restarts for No Reason..............................................................................................................................58
2.3.26 Automatic Upgrade Failure ...............................................................................................................................58
3 Common Troubleshooting Methods ....................................................................................... 60
3.1 Observing Device Indicators..........................................................................................................................................61
3.2 Collecting System Information (Web) .........................................................................................................................68
3.3 Viewing Call Failure Records........................................................................................................................................68
3.4 Checking the Network Status Automatically ..............................................................................................................69
3.5 Using the PING Command ............................................................................................................................................74
3.6 Tracing Route ...................................................................................................................................................................75
3.7 Tracing Signaling .............................................................................................................................................................76
3.8 Analyzing Packets Captured by Wireshark .................................................................................................................77
3.9 Capturing the Network Packets Remotely...................................................................................................................85
3.10 Bad AT0 Grounding ......................................................................................................................................................89
3.11 AT0 Ground Impedance Test........................................................................................................................................94
4 FAQs .............................................................................................................................................. 99
4.1 Query-Related FAQs .......................................................................................................................................................99
4.1.1 What Are the Default IP address, User Name, and Password Used to Log In to the IAD........................99
4.1.2 How Do I View the IP Address of the IAD .......................................................................................................99
4.1.3 How Do I View the MAC Address of the IAD.............................................................................................. 100
4.1.4 How do I view the physical sequence number of the IAD.......................................................................... 100
4.1.5 How do I view the software version of the IAD ........................................................................................... 100
4.1.6 How do I view the system information........................................................................................................... 100
4.1.7 How do I view the elabel of the IAD .............................................................................................................. 101
4.2 Operation-Related FAQs ............................................................................................................................................. 101
4.2.1 How do I log in to the IAD management system.......................................................................................... 101
4.2.2 How Do I Log In to the IAD If I Forget the Password ................................................................................ 101
4.2.3 How do I restore the IAD to factory settings................................................................................................. 102
4.2.4 How to restart the IAD ...................................................................................................................................... 102
4.2.5 How do I change the IP address of the IAD................................................................................................... 102
4.2.6 How do I set the upper and lower limits of the hookflash duration........................................................... 102
4.2.7 How do I change the protocol mode ............................................................................................................... 103
4.2.8 How do I set the VLAN priority on the IAD ................................................................................................. 103
4.2.9 How do I set the fax function on the IAD ...................................................................................................... 103
4.2.10 How do I enable the pulse dialing function ................................................................................................. 104