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Dual WAN with 384.3 and Sierra Wireless AirCard 320U

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Strat

Occasional Visitor
Hi, since moving to this build with my AC3200 dual wan doesn't seem to work anymore.. i was previously on 380.x and it was working fine.. any tips how to get this working again on the current build?

I can see it under USB devices and comes up as "Sierra Wireless, Incorporated AirCard 320U" but just wont get online.

Here something i seen in the logs.. and looking up the Vendor/Product IDs it comes up as my 4G dongle.

Feb 14 00:02:17 kernel: option: `0x0f3d product=0x68aa' invalid for parameter `vendor'
Feb 14 00:02:17 kernel: option: `0x0f3d product=0x68aa' invalid for parameter `vendor'
Feb 14 00:02:17 syslog: can't load module option (kernel/drivers/usb/option.ko): Invalid argument
Feb 14 00:02:17 syslog: can't load module option (kernel/drivers/usb/option.ko): Invalid argument

is the option module something i can configure/enable manually or something that can be added in a later release?

Thanks!
 
Having the same problem with a Huawei K4505 key on my RT-AC68U, it was working fine until 380.69 but it no longer works with 384.3, and I get the same errors as you do. Didn't test with 384.4 beta yet.
 
Update: I just got it to work by removing the usbserial driver and inserting it manually with the correct parameters. It looks like the vendor and device parameters passed to the driver when plugging in the key are wrong. All that was necessary for me was adding these three lines to /jffs/scripts/init-start (of course you will need JFFS enabled):

modprobe -r option
modprobe -r usbserial
insmod usbserial vendor=0x12d1 product=0x1464 (you will need to find the vendor/product IDs for your key, these are for my K4505)

After doing this, Dual WAN in failover mode works like a charm, failback included.

There's no modprobe.conf override available for jffs/configs, so this means that you have to run those commands manually if you unplug/replug your key.

Hope this helps!
 
Last edited:
will try with mine im currently on Firmware Version:384.4_beta1 and was still having the same issues.
 

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