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No internet connection for Huawei E3131 modem on TL-WDR4300

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carinthat
DD-WRT Novice

Joined: 15 Apr 2015
Posts: 7

Posted: Wed Apr 15, 2015 21:32 Post subject: No internet connection for Huawei E3131 modem on TL-WDR4300

Hello!

I am having trouble to get my USB modem connected to the internet.

Router Model: TPLINK TL-WDR4300 v1
Firmware Version: DD-WRT v24-sp2 (04/09/15) std - build 26653
USB modem: Huawei E3131 HSPA+ Modem

I have enabled the Core USB support in the WebGui and plugged the USB Modem into the USB port of the router.

I checked the interface list and the 12d1:14fe is listed in the supported modems.

Code:

Then I switched the WAN connection type to Mobile Broadband and configured the settings in the WebGui:

Code:

root@TL-WDR4300:~# nvram show | grep wan
wan_unit=0
size: 24351 bytes (41185 left)
wan_get_dns=
telnet_wanport=23
wan_lease=0
http_wanport=8080
wan_gateway=0.0.0.0
wan_hwname=
wan_domain=
wan_netmask=0.0.0.0
wan_ifname2=
block_wan=1
dr_wan_rx=0
wan_dns=
wan_apn=drei.at
dhcp_wins=wan
wan_proto=3g
wanup=0
wan_hwaddr=14:CC:20:2B:97:3F
clone_wan_mac=0
wan_default=
wan_ifnames=
dr_wan_tx=0
l2tp_wan_gateway=0.0.0.0
wan_pin=1815
proftpd_wan=0
wan_primary=1
openvpn_onwan=0
dhcp_domain=wan
wan_dial=1
wan_gateway_buf=0.0.0.0
wan_vdsl=0
upnp_wan_proto=
wan_ipaddr=0.0.0.0
wan_wins=0.0.0.0
wan_mtu=1500
pptp_wan_gateway=0.0.0.0
sshd_wanport=22
wan_get_domain=
wan_ifname=
wan_hostname=
wan_conmode=5
ddns_wan_ip=1
wan_dualaccess=0
root@TL-WDR4300:~#

Then I power cycled the router:

Code:

root@TL-WDR4300:~# dmesg | grep usb
<6>[ 5.430000] usbcore: registered new interface driver usbfs
<6>[ 5.430000] usbcore: registered new interface driver hub
<6>[ 5.440000] usbcore: registered new device driver usb
<6>[ 5.620000] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
<6>[ 5.630000] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
<6>[ 5.640000] usb usb1: Product: Atheros AR91xx built-in EHCI controller
<6>[ 5.640000] usb usb1: Manufacturer: Linux 3.10.73 ehci_hcd
<6>[ 5.650000] usb usb1: SerialNumber: platform
<6>[ 5.980000] usb 1-1: new high-speed USB device number 2 using ar71xx-ehci
<6>[ 6.130000] usb 1-1: New USB device found, idVendor=05e3, idProduct=0608
<6>[ 6.130000] usb 1-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
<6>[ 6.140000] usb 1-1: Product: USB2.0 Hub
<6>[ 10.710000] usb 1-1.2: new high-speed USB device number 3 using ar71xx-ehci
<6>[ 10.820000] usb 1-1.2: New USB device found, idVendor=12d1, idProduct=14fe
<6>[ 10.820000] usb 1-1.2: New USB device strings: Mfr=2, Product=1, SerialNumber=0
<6>[ 10.830000] usb 1-1.2: Product: HUAWEI Mobile
<6>[ 10.830000] usb 1-1.2: Manufacturer: HUAWEI
<6>[ 18.250000] usbcore: registered new interface driver usbserial
<6>[ 18.260000] usbcore: registered new interface driver usbserial_generic
<6>[ 18.260000] usbserial: USB Serial support registered for generic
<6>[ 18.330000] usbcore: registered new interface driver cdc_wdm
<6>[ 18.380000] usbcore: registered new interface driver qmi_wwan
<6>[ 18.400000] usbcore: registered new interface driver option
<6>[ 18.410000] usbserial: USB Serial support registered for GSM modem (1-port)
<6>[ 18.680000] usb 1-1.2: USB disconnect, device number 3
<6>[ 23.760000] usb 1-1.2: new high-speed USB device number 4 using ar71xx-ehci
<6>[ 23.870000] usb 1-1.2: New USB device found, idVendor=12d1, idProduct=1506
<6>[ 23.870000] usb 1-1.2: New USB device strings: Mfr=3, Product=2, SerialNumber=0
<6>[ 23.880000] usb 1-1.2: Product: HUAWEI Mobile
<6>[ 23.890000] usb 1-1.2: Manufacturer: HUAWEI
<6>[ 23.900000] usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB0
<6>[ 23.910000] usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB1
<6>[ 23.930000] usb 1-1.2: GSM modem (1-port) converter now attached to ttyUSB2
root@TL-WDR4300:~#

Again I checked the interface list and the 12d1:1506 is listed in the supported modems.

Code:

root@TL-WDR4300:~# cat /proc/bus/usb/devices

T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 1
B: Alloc= 0/800 us ( 0%), #Int= 1, #Iso= 0
D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=1d6b ProdID=0002 Rev= 3.10
S: Manufacturer=Linux 3.10.73 ehci_hcd
S: Product=Atheros AR91xx built-in EHCI controller
S: SerialNumber=platform
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA
I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 4 Ivl=256ms

T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=480 MxCh= 4
D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=05e3 ProdID=0608 Rev=85.36
S: Product=USB2.0 Hub
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=100mA
I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 1 Ivl=256ms

T: Bus=01 Lev=02 Prnt=02 Port=01 Cnt=01 Dev#= 4 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=12d1 ProdID=1506 Rev= 1.02
S: Manufacturer=HUAWEI
S: Product=HUAWEI Mobile
C:* #Ifs= 6 Cfg#= 1 Atr=80 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=02 Prot=01 Driver=option
E: Ad=81(I) Atr=03(Int.) MxPS= 64 Ivl=2ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 1 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=02 Prot=16 Driver=(none)
E: Ad=83(I) Atr=03(Int.) MxPS= 64 Ivl=2ms
I: If#= 1 Alt= 1 #EPs= 3 Cls=ff(vend.) Sub=02 Prot=16 Driver=(none)
E: Ad=83(I) Atr=03(Int.) MxPS= 64 Ivl=2ms
E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=02 Prot=03 Driver=option
E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=02 Prot=02 Driver=option
E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 4 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=(none)
E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 5 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=(none)
E: Ad=06(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=88(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
root@TL-WDR4300:~#

root@TL-WDR4300:~# ps
PID USER VSZ STAT COMMAND
1 root 1512 S /sbin/init
2 root 0 SW [kthreadd]
3 root 0 SW [ksoftirqd/0]
4 root 0 SW [kworker/0:0]
5 root 0 SW< [kworker/0:0H]
6 root 0 SW [kworker/u2:0]
7 root 0 SW< [khelper]
71 root 0 SW< [writeback]
74 root 0 SW< [bioset]
75 root 0 SW< [crypto]
77 root 0 SW< [kblockd]
103 root 0 SW [kworker/0:1]
110 root 0 SW [kswapd0]
111 root 0 SW [fsnotify_mark]
243 root 0 SW< [deferwq]
534 root 932 S /sbin/hotplug2 --set-rules-file /etc/hotplug2.rules --persistent
543 root 956 S /sbin/mstpd
555 root 1752 S watchdog
628 root 0 SW< [cfg80211]
677 root 0 SW [khubd]
844 root 0 SW [kworker/u2:2]
850 root 1836 S hostapd -B -P /var/run/ath0_hostapd.pid /tmp/ath0_hostap.conf
874 root 1836 S hostapd -B -P /var/run/ath1_hostapd.pid /tmp/ath1_hostap.conf
926 root 0 SW< [kworker/0:1H]
929 root 1160 S telnetd
942 root 1040 S dnsmasq -u root -g root --conf-file=/tmp/dnsmasq.conf
943 root 900 S cron
944 root 1728 S wland
1059 root 4060 S httpd -p 80
1081 root 1752 S /tmp/ppp/redial 30
1089 root 1440 S ttraff
1155 root 1704 S resetbutton
1573 root 1504 S process_monitor
2013 root 1160 S -sh
11386 root 2312 S /tmp/ppp/redial 30
11504 root 1152 S sh -c export COMGTAPN="drei.at";comgt APN -d /dev/usb/tts/2
11505 root 960 S comgt APN -d /dev/usb/tts/2
11513 root 1152 R ps
root@TL-WDR4300:~#

The USB modem does not connect to the internet. It is blinking blue one time in 3 seconds, which does mean: The usb stick is connecting to a 3G/3G+ network.

Using the "Connect" button in the Status / WAN section of the WebGui does not help either.

I have already double checked the connection properties again and again, because they are working on a Dovado Tiny router, which I want to replace with the TPLINK TL-WDR4300 router running dd-wrt.

How can I find out, why the USB Modem finally does not get connected to the internet?

Thanks!

Sponsor

carinthat
DD-WRT Novice

Joined: 15 Apr 2015
Posts: 7

Posted: Thu Apr 16, 2015 20:40 Post subject: update on comgt

Update:

It seems that the redialer is consistently trying to connect on device /dev/usb/tts/2:

Code:

1461 root 2312 S /tmp/ppp/redial 30
1563 root 1152 S sh -c export COMGTAPN="drei.at";comgt APN -d /dev/usb/tts/2
1564 root 960 S comgt APN -d /dev/usb/tts/2

While the modem is connected to /dev/usb/tts/0:

Code:

root@TL-WDR4300:~# nvram get 3gdata
/dev/usb/tts/0

root@TL-WDR4300:~# export COMGTPIN="1815"
root@TL-WDR4300:~# /usr/sbin/comgt -d /dev/usb/tts/0 PIN
SIM ready

root@TL-WDR4300:~# export COMGTAPN="drei.at"
root@TL-WDR4300:~# /usr/sbin/comgt -d /dev/usb/tts/0 APN

root@TL-WDR4300:~# export COMGTDIAL="ATD*99#"
root@TL-WDR4300:~# /usr/sbin/comgt -d /dev/usb/tts/0 DIAL

Dialling with custom string:ATD*99#

No Connect

root@TL-WDR4300:~# /usr/sbin/comgt -d /dev/usb/tts/0
SIM ready
Waiting for Registration..(120 sec max)
Registered on Home network: 3 AT",2
Signal Quality:9,99

root@TL-WDR4300:~# /usr/sbin/comgt -d /dev/usb/tts/0 info
##### Wireless WAN Modem Configuration #####
Product text:
====
Manufacturer: huaweiModel: E3131Revision: 21.157.31.00.864IMEI: 862733011020024+GCAP: +CGSM,+DS,+ESO
K
====
Manufacturer: uawei
IMEI and Serial Number: 62733011020024
Manufacturer's Revision: 21.157.31.00.8
Hardware Revision:
Network Locked: ERROR:
Customisation:
Band settings: ()
APN: 1,"IP","drei.at","",0,0
##### END #####
root@TL-WDR4300:~#

There are two issues remaining:

1. The redialer is operating not on the correct device.

2. In contrast to all forum post I have seen, the only way to get the comgt command working, is to put the script at the end:

OK: comgt -d /dev/usb/tts/0 APN
NOT OK: comgt APN -d /dev/usb/tts/0

In fact that is confusing me, I am on build 26653.

Thanks!

vieri
DD-WRT User

Joined: 25 Aug 2010
Posts: 91

Posted: Fri Apr 17, 2015 11:40 Post subject:
My USB modem is an Alcatel OneTouch X060S and it worked out of the box (GUI only). The only thing is that I needed to set "3g else 2g" or something similar otherwise I had a hard time connecting. Even so, it takes at least 2 to 4 minutes to connect after the device boots. I haven't tried to do it manually via ssh.

carinthat
DD-WRT Novice

Joined: 15 Apr 2015
Posts: 7

Posted: Sat Apr 18, 2015 17:07 Post subject:

Can someone bring some light into this?

From the process list I can see, that comgt has started:

Code:

1461 root 2312 S /tmp/ppp/redial 30
1563 root 1152 S sh -c export COMGTAPN="drei.at";comgt APN -d /dev/usb/tts/2
1564 root 960 S comgt APN -d /dev/usb/tts/2

When I try it on the command line, I do get it only working, if I put the script argument behind the options:

Code:

root@TL-WDR4300:~# comgt -d /dev/usb/tts/0 APN

root@TL-WDR4300:~# comgt -V
comgt version 0.32 Copyright Paul Hardwick (c) 2005,2006

I am running this build:
ftp://ftp.dd-wrt.com/betas/2015/04-09-2015-r26653/tplink_tl-wdr4300v1/

Also the device which I can see in the process list is not working. It should be /dev/usb/tts/0 and not /dev/usb/tts/2.

How do I get the 3G modem to connect to the internet?

Thanks!

rina900
DD-WRT Novice

Joined: 25 Apr 2015
Posts: 5

Posted: Sat Apr 25, 2015 22:48 Post subject:
similar problem with Tp-link Archer C7 V2... but I'm not a shell command expert : http://www.dd-wrt.com/phpBB2/viewtopic.php?p=963871#963871

carinthat
DD-WRT Novice

Joined: 15 Apr 2015
Posts: 7

Posted: Wed Jul 22, 2015 17:42 Post subject: Mobile broadband not working on Atheros devices
According to this ticket, it seems to be a general problem on Atheros devices: http://svn.dd-wrt.com/ticket/4745#ticket Mobile broadband is not working on Atheros devices after build 25760

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