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-   -   Is it possible to use 2 3G USB modems from different vendors simultaneously? (http://www.linuxquestions.org/questions/linux-networking-3/is-it-possible-to-use-2-3g-usb-modems-from-different-vendors-simultaneously-920681/)

elazarik 12-27-2011 03:34 AM

Is it possible to use 2 3G USB modems from different vendors simultaneously?
 
Hi

I am working on an embedded Linux based on the Vanilla kernel version 2.6.28

I am able to detect and use a single USB 3g modem

However I was requested to check whether it is possible to use 2 different USB 3g modems simultaneously? (Note that these modems might be completely different vendor, gsm/cdma etc)

I am currently using the usbserial module with specific vendor and product ID for the single modem. I do not see how I can add another modem with a different product/vendor?

(A small confession - I am a newbie with 3g modems so perhaps am missing something very fundamental...)
Any pointers (or negative answers) will be greatly appreciated :)

Thank you
Karin

jefro 12-27-2011 03:34 PM

I doubt you can exactly. In no simple configuration can one use two modems at the same time.

You can easily allow two to be installed and let one work at a time, if it fails then you could swap over or it should do it automatically.

There may be an authentication issue too depends on service.

elazarik 12-28-2011 12:22 AM

Thank you for your answer
Installing two different ones at the same time but connecting only to one is good enough.
But how can that be done?

Thx again
K

jefro 12-28-2011 05:40 PM

A great amount of information about this version you have would be needed along with the types of modems requested.

In a very general sense one needs drivers and some way to configure the use of the hardware and some way to use some service along with authentication.

elazarik 01-02-2012 10:04 AM

Thank you
The problems is I do not know the modem types :( as we support quite a few types
For now I guess we will not support multiple modem types (at least until our next software version... )


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