harmony 鸿蒙Ethernet Connection Error Codes
Ethernet Connection Error Codes
NOTE
This topic describes only module-specific error codes. For details about universal error codes, see Universal Error Codes.
2200001 Invalid Parameter Value
Error Message
Invalid parameter value.
Description
This error code is reported if the parameter value is invalid.
Cause
The input parameter value is not within the valid value range.
Procedure
Check whether the input parameter value is within the valid value range.
2200002 Service Connection Failure
Error Message
Operation failed. Cannot connect to service.
Description
This error code is reported if a service connection failure occurs.
Cause
The service is abnormal.
Procedure
Check whether system services are running properly.
2200003 System Internal Error
Error Message
System internal error.
Description
This error code is reported if a system internal error occurs.
Cause
The memory is abnormal.
A null pointer is present.
Procedure
Check whether the memory space is sufficient. If not, clear the memory and try again.
Check whether the system is normal. If not, try again later or restart the device.
2201005 Device Information Not Exist
Error Message
The device information does not exist.
Description
This error code is reported if the device information does not exist.
Cause
The device to set or obtain does not exist.
Procedure
```bash
> hdc shell ifconfig
```
Check whether the device, for example, **eth0** or **eth1**, exists.
2201006 Device Not Connected
Error Message
Device disconnected.
Description
This error code is reported if the device is not connected.
Cause
The network interface card (NIC) is faulty.
Procedure
View the Ethernet service and netsys logs to check for the connection status information reported by the kernel.
2201007 Failed to Write the User Configuration
Error Message
Failed to write the user configuration.
Description
This error code is reported if an error occurs while writing data to the user configuration file.
Cause
The system reports an error.
Procedure
A system internal error occurs. You are advised to locate the fault based on logs.
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