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Huawei AR2200-S Series Enterprise Routers
Troubleshooting
Context
Procedure
Step 1 Run the display interface cellular interface-number command.
<Huawei> display interface cellular 0/0/0
Cellular0/0/0 current state : UP
Line protocol current state : UP (spoofing)
Description:HUAWEI, AR Series, Cellular0/0/0 Interface
Route Port,The Maximum Transmit Unit is 1500
Internet Address is negotiated, 192.168.70.94/32
Link layer protocol is PPP
LCP opened, IPCP opened
Last physical up time
Last physical down time : 2011-06-08 10:53:13
Current system time: 2011-06-08 11:35:23
USB Modem State: Present
Last 300 seconds input rate 555 bytes/sec, 4440 bits/sec
Last 300 seconds output rate 0 bytes/sec, 0 bits/sec
l If the USB Modem State value in the command output is Not present, the 3G modem is
l The value Present indicates that the 3G modem is functioning properly. Go to step 2.
Step 2 Run the display cellular interface-number all command.
If the following information is displayed, the 3G network is available. Go to step 3.
Network Information.
====================
Current Service Status = Service available
Current Service = Combined
Packet Service = Attached
Packet Session Status = Active
Current Roaming Status = Roaming
Network Selection Mode = Automatic
......
If the network is unavailable, for example, the Current Service Status value is No service or
Emergency, or the Packet Service value is Detached, perform the following operations:
l Run the plmn auto command in the 3G modem interface view to set the PLMN selection
l For a WCDMA network, run the mode wcdma wcdma-precedence command in the 3G
Step 3 Check whether the SIM card is working properly.
1.
2.
Issue 01 (2012-01-06)
NOTE
The AR supports WCDMA and CDMA2000, but does not support TD-SCDMA.
Saving the results of each troubleshooting step is recommended. If troubleshooting fails to correct the fault,
you will have a record of your actions to provide Huawei technical support personnel.
Input: 87205 bytes
Output:6760917 bytes
Input bandwidth utilization
Output bandwidth utilization : 0.00%
not installed properly, and it needs to be reinstalled.
mode to automatic.
modem interface view. For a CDMA2000 network, run the mode cdma hybrid command
in the 3G modem interface view.
Confirm with the network carrier: ensure that the 3G Internet access service has been
enabled and the SIM card does not have arrears.
Run the display cellular interface-number all command.
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Copyright © Huawei Technologies Co., Ltd.
: 2011-06-08 10:53:15
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Troubleshooting
