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RT-N14U with Huawei E3372 NDIS mode - can't get IP #1370

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago 
What steps will reproduce the problem?

Configuration: RT-N14U with Huawei E3372 USB modem
Mobile operator: Slovak Telekom
Operation Mode: Wireless Router Mode 
The RAS mode is working well.
The NDIS mode is not working. 
Connection status shows: Waiting for obtain the IP address...

What version of the product are you using? On what operating system?
RT-N14U_3.4.3.8-087_base older versions are not working as well

Please describe the problem as detailed as it's possible.
No internet connectivity if I select NDIS mode. No IP is autoassigned to the 
WAN interface.

If you have connection problem, then syslog file is required. (please do
attach it as a file)

Log (change from RAS to NDIS mode):
Nov 28 22:46:31 kernel: USB Serial deregistering driver GSM modem (1-port)
Nov 28 22:46:31 kernel: option1 ttyUSB1: GSM modem (1-port) converter now 
disconnected from ttyUSB1
Nov 28 22:46:31 kernel: option1 ttyUSB0: GSM modem (1-port) converter now 
disconnected from ttyUSB0
Nov 28 22:46:31 kernel: usbcore: deregistering interface driver option
Nov 28 22:46:31 kernel: option 1-1:1.1: device disconnected
Nov 28 22:46:31 kernel: option 1-1:1.0: device disconnected
Nov 28 22:46:31 kernel: USB Serial deregistering driver Sierra USB modem
Nov 28 22:46:31 kernel: usbcore: deregistering interface driver sierra
Nov 28 22:46:31 kernel: USB Serial deregistering driver Qualcomm USB modem
Nov 28 22:46:31 kernel: usbcore: deregistering interface driver qcserial
Nov 28 22:46:31 kernel: USB Serial deregistering driver generic
Nov 28 22:46:31 kernel: usbcore: deregistering interface driver 
usbserial_generic
Nov 28 22:46:31 kernel: usbcore: deregistering interface driver usbserial
Nov 28 22:46:31 kernel: usbcore: deregistering interface driver cdc_acm
Nov 28 22:46:32 kernel: usbcore: registered new interface driver cdc_ether
Nov 28 22:46:32 kernel: usbcore: registered new interface driver rndis_host
Nov 28 22:46:32 kernel: usbcore: registered new interface driver cdc_wdm
Nov 28 22:46:32 kernel: usbcore: registered new interface driver qmi_wwan
Nov 28 22:46:32 kernel: usbcore: registered new interface driver cdc_ncm
Nov 28 22:46:32 kernel: huawei_cdc_ncm 1-1:1.2: MAC-Address: 00:xx:xx:xx:00:00
Nov 28 22:46:32 kernel: huawei_cdc_ncm 1-1:1.2: setting rx_max = 16384
Nov 28 22:46:32 kernel: huawei_cdc_ncm 1-1:1.2: cdc-wdm0: USB WDM device
Nov 28 22:46:32 kernel: huawei_cdc_ncm 1-1:1.2: wwan0: register 
'huawei_cdc_ncm' at usb-rt3xxx-ehci-1, Huawei CDC NCM device, 00:1e:10:1f:00:00
Nov 28 22:46:32 kernel: usbcore: registered new interface driver huawei_cdc_ncm
Nov 28 22:46:32 kernel: usbcore: registered new interface driver cdc_mbim
Nov 28 22:46:32 kernel: usbcore: registered new interface driver sierra_net
Nov 28 22:46:32 kernel: usbcore: registered new interface driver usbserial
Nov 28 22:46:32 kernel: usbcore: registered new interface driver 
usbserial_generic
Nov 28 22:46:32 kernel: USB Serial support registered for generic
Nov 28 22:46:32 kernel: usbserial: USB Serial Driver core
Nov 28 22:46:32 kernel: usbcore: registered new interface driver qcserial
Nov 28 22:46:33 kernel: USB Serial support registered for Qualcomm USB modem
Nov 28 22:46:33 kernel: usbcore: registered new interface driver sierra
Nov 28 22:46:33 kernel: USB Serial support registered for Sierra USB modem
Nov 28 22:46:33 kernel: usbcore: registered new interface driver option
Nov 28 22:46:33 kernel: USB Serial support registered for GSM modem (1-port)
Nov 28 22:46:33 kernel: option 1-1:1.0: GSM modem (1-port) converter detected
Nov 28 22:46:33 kernel: usb 1-1: GSM modem (1-port) converter now attached to 
ttyUSB0
Nov 28 22:46:33 kernel: option 1-1:1.1: GSM modem (1-port) converter detected
Nov 28 22:46:33 kernel: usb 1-1: GSM modem (1-port) converter now attached to 
ttyUSB1
Nov 28 22:46:35 RT-N14U: Hardware NAT/Routing: Enabled, IPoE/PPPoE offload 
[WAN]<->[LAN/WLAN]
Nov 28 22:46:35 RT-N14U: Hardware NAT/Routing: IPv4 UDP flow offload - OFF
Nov 28 22:46:35 RT-N14U: Hardware NAT/Routing: IPv6 routes offload - OFF
Nov 28 22:46:35 dnsmasq[495]: read /etc/hosts - 3 addresses
Nov 28 22:46:35 dnsmasq[495]: read /etc/storage/dnsmasq/hosts - 0 addresses
Nov 28 22:46:35 dnsmasq[495]: using nameserver 8.8.8.8#53
Nov 28 22:46:36 comgt: NCM CONNECTION ESTABLISHED!
Nov 28 22:46:37 DHCP WAN Client: starting on wwan0 ...
Nov 28 22:46:44 RT-N14U: Hardware NAT/Routing: Enabled, IPoE/PPPoE offload 
[WAN]<->[LAN/WLAN]
Nov 28 22:46:44 RT-N14U: Hardware NAT/Routing: IPv4 UDP flow offload - OFF
Nov 28 22:46:44 RT-N14U: Hardware NAT/Routing: IPv6 routes offload - OFF
Nov 28 22:46:44 dnsmasq[495]: read /etc/hosts - 3 addresses
Nov 28 22:46:44 dnsmasq[495]: read /etc/storage/dnsmasq/hosts - 0 addresses
Nov 28 22:46:44 dnsmasq[495]: using nameserver 8.8.8.8#53
Nov 28 22:46:45 comgt: NCM CONNECTION ESTABLISHED!
Nov 28 22:46:46 DHCP WAN Client: starting on wwan0 ...

Original issue reported on code.google.com by rst.s...@gmail.com on 28 Nov 2014 at 10:06

GoogleCodeExporter commented 9 years ago 
i also own a E3372 and i am experiencing same issues. i think the problem lies 
in the fact that the NCM interface does not actually support direct DHCP calls. 
the information needs to be pulled out from the serial interface.

https://forum.openwrt.org/viewtopic.php?pid=277259#p277259

this forum post could be of use.

Original comment by targgam...@gmail.com on 9 Jun 2015 at 5:58