RG255AAEU module can not set ECM mode

IoT Modules 5G Module
1

pls help I can not set RG255AA to ECM mode
here is log:
AT+QCFG=“usbnet”
+QCFG: “usbnet”,1

OK
AT+CFUN=1,1
OK

RDY
AT+QNETDEVCTL?
+QNETDEVCTL: 1,2,1
+QNETDEVCTL: 2,2,0
+QNETDEVCTL: 3,2,0
+QNETDEVCTL: 4,2,0
+QNETDEVCTL: 5,2,0
+QNETDEVCTL: 6,2,0
+QNETDEVCTL: 7,2,0
+QNETDEVCTL: 8,2,0

OK
AT+QCFG=“multiusbnet”
+QCFG: “multiusbnet”,1,1

OK
AT+CFUN=1,1
OK

RDY
AT+QNETDEVCTL?
+QNETDEVCTL: 1,2,1
+QNETDEVCTL: 2,2,0
+QNETDEVCTL: 3,2,0
+QNETDEVCTL: 4,2,0
+QNETDEVCTL: 5,2,0
+QNETDEVCTL: 6,2,0
+QNETDEVCTL: 7,2,0
+QNETDEVCTL: 8,2,0

OK
AT+QCFG=“usbcfg”
+QCFG: “usbcfg”,0x2c7c,0x600c,1,1,1,1,1,0,0

OK
AT+QCFG=“usbcfg”,0x2c7c,0x600c,1,1,1,1,0,1,0
+CME ERROR: 4
AT+QCFG=“usbcfg”?
+CME ERROR: 58
ATI
Quectel
RG255AA_EUEA
Revision: RG255AAEUEAR01A02M1G_OCPU

OK
what I forget

2

Dear @Safel
What is your questions? can’t register or others?
Please check the AT commands below:
AT+COPS?
AT+QENG=“servingcell”
AT+QNETDEVCTL=1,1,1

3

Dear Silvia
CAT+COPS?
+COPS: 0,2,“28305”,7

OK
AT+QENG=“servingcell”
+CME ERROR: 21
AT+QNETDEVCTL=1,1,1
OK
AT+QENG=/
+CME ERROR: 21
AT+QENG=?
+QENG: (“servingcell”,“neighbourcell”)

OK
OK
AT+QNETDEVCTL?
+QNETDEVCTL: 1,2,1
+QNETDEVCTL: 2,2,0
+QNETDEVCTL: 3,2,0
+QNETDEVCTL: 4,2,0
+QNETDEVCTL: 5,2,0
+QNETDEVCTL: 6,2,0
+QNETDEVCTL: 7,2,0
+QNETDEVCTL: 8,2,0

OK
it doesnt change setting after sent this command AT+QNETDEVCTL=1,1,1
and I check this too , but still dont have internet
AT+CREG?
+CREG: 0,0

OK
AT+CEREG?
+CEREG: 0,1

OK
this module doesnt support Qping command , can you tell me how else via command I can check internet access

4

Dear @Safel
The device had registered on LTE.
CAT+COPS?
+COPS: 0,2,“28305”,7
Which OS do you use? If windows, it doesn’t support. You can try in Linux.

5

Dear Silvia, I use Linux , and usb0 interface can not get IP from (+QCFG: “lanip”,“192.168.42.1”,“255.255.255.0”,“192.168.42.100”,“192.168.42.249”,12h) this range, I dont know why it can get it, I checked AT+QCFG=“usbnet”
+QCFG: “usbnet”,1
AT+QURCCFG=“urcport”,“usbat” ,but can not know why it can not forward traffic

6

Dear @Safel
Sorry, I didn’t get your point.
You can get IP address or not.
Please check ifconfig.

7

Dear Silvia , I can not get Ip , from modem

8

Dear @Bryan.Tan-Q
Please help to check.