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3G modem support list, which is correct? *Solved*

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27 Oct 2017 10:23 #89904 by owtanet
3G modem support list, which is correct? *Solved* was created by owtanet
I know there's the 3G dongle compatibility list here https://www.draytek.co.uk/download/support/DrayTek_USB_Modem_Support_160117.pdf , which shows that the Huawei E3531 is supported on the Vigor 2832.
However, on the Vigor itself ( in USB Application >> Modem Support List) there's many fewer devices, and the E3531 isn't on there.

From my testing this morning it looks like the E3531 isn't supported, so in future which list should I go by? The official support list on the website, or the one on the Vigor itself?

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30 Oct 2017 16:31 #89921 by owtanet
Replied by owtanet on topic Re: 3G modem support list, which is correct?
I'm now just testing with a Huawei E3372, which the modem itself lists as compatible, but isn't on the spreadsheet.
It's not being detected, this is as far as it gets.
Code:
2017-10-30 16:23:14 [3G]=====>Choose usb interface #1, bind to WAN3 !!! 2017-10-30 16:23:14 [3G]E169uChgMode modem change mode 2017-10-30 16:23:14 [3G]Get CSW, act = 0, res = 0x00000000, CSWStatus = 0 2017-10-30 16:23:14 [3G]ScsiTransaction Send CBW, res = 0x00000000 2017-10-30 16:23:14 [3G]Set HuaWei E220 remote wakeup 2017-10-30 16:23:14 [3G]Wake up modem: send command to interface 0x82 0x2 2017-10-30 16:23:14 [3G]=====>Choose usb interface #1, bind to WAN3 !!! 2017-10-30 16:23:14 [3G] Modem_WakeUp Step 2...... 2017-10-30 16:23:14 [3G]=====>Choose usb interface #1, bind to WAN3 !!! 2017-10-30 16:23:14 [USB]EndpointAddress=03 (out), Attributes=02 (Bulk) 2017-10-30 16:23:14 [USB]EndpointAddress=83 (in), Attributes=02 (Bulk) 2017-10-30 16:23:14 [USB]Mass Storage device class 2017-10-30 16:23:14 [USB]Interface Class:SubClass:Protocol = [08:06:50] 2017-10-30 16:23:14 [USB]Interface: 1 2017-10-30 16:23:14 [USB]EndpointAddress=02 (out), Attributes=02 (Bulk) 2017-10-30 16:23:14 [USB]EndpointAddress=82 (in), Attributes=02 (Bulk) 2017-10-30 16:23:14 [USB]Vendor class 2017-10-30 16:23:14 [USB]Interface Class:SubClass:Protocol = [ff:ff:ff] 2017-10-30 16:23:14 [USB]Interface: 0 2017-10-30 16:23:14 [USB]Per-interface classes 2017-10-30 16:23:14 [USB]Device Class:SubClass:Protocol = [00:00:00] 2017-10-30 16:23:14 [USB]num of interfaces=2 2017-10-30 16:23:14 usb 1-1: SerialNumber: 2017-10-30 16:23:14 usb 1-1: Manufacturer: HUAWEI_MOBILE 2017-10-30 16:23:14 usb 1-1: Product: HUAWEI_MOBILE 2017-10-30 16:23:14 usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 2017-10-30 16:23:14 usb 1-1: New USB device found, idVendor=12d1, idProduct=1442


So far the only USB modem that I can get to work with the 2832 is the Huawei E3131.

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03 Nov 2017 15:11 #89954 by owtanet
Replied by owtanet on topic Re: 3G modem support list, which is correct?
OK, I've found a solution.
It turns out that the E3531 is compatible, but instead of using PPP it should be configured with DHCP mode.
I'm not sure how I was supposed to guess this, but It was just something I tried out of desperation, fortunately it worked.

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05 Nov 2017 09:13 #89962 by admin
Replied by admin on topic Re: 3G modem support list, which is correct? *Solved*
Thanks for posting. Yes, a lot of USB modems are now using DHCP mode.

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