Re: How to save pin number and auto-connect on startup?



Dan Williams <dcbw redhat com> writes:

Hi Dan,

>> > I'm new to N-M, connecting to 3G net in Switzerland using a Huawei
>> > K3715 USB stick and Ubuntu 10.04. After the painful configuration
>> > process (I had to enter manually "vendor=0x12d1 product=140c" in
>> > the configuration file) everything works wonderful -- even better
>> > that the original software.
>> 
>> Oh, I'm totally unable to get my Huawei E160 working.  Could you
>> please provide those config files you have edited?  Maybe that could
>> help me.
>
> Does the device have IDs in the 'option' driver?  Any Huawei modems
> that are not driven by 'option' should get their IDs added to that
> kernel module so people don't need to hack it.

I don't know what you are asking. :-) Which IDs and what's the 'option'
driver?  How do I check that?

> Next, does your device need a modeswitch?

Yes, and that seems to work just fine.

> Many modems have fake driver CDs and need to be flipped into modem
> mode by usb_modeswitch.  If it's a new device, it may not have been
> added to usb_modeswitch yet.  Recent versions of usb_modeswitch (1.1.3
> and later at least) will automatically eject the fake CD for you via
> udev rules when you plug the device in.

Yes, I use 1.1.3 and the modeswitch is performed automatically when I
connect the stick.

>> > The only thing I miss is the option to save the pin number and
>> > auto-connect on startup.
>> 
>> Hm, I use KNetworkManager, and in the Broadband Connection tab, there
>> are fields for the PIN, PUK, APN, etc.  At least the PIN/PUK are
>> saved in the KDE keychain (kwallet).  I guess it's the same when
>> using nm-applet, where those credentials should be stored in the
>> GNOME keyring.
>
> He's talking about something that's new in NM 0.8.1, likely.
> Immediately when the modem is plugged in and nm-applet notices that
> modem-manager needs a PIN code, nm-applet will ask you for that PIN
> code.
>
> Now here's the problem: the PIN is specific to the *SIM*, not the
> device.  But most modems don't allow us to request the IMSI (the SIM's
> serial #) before we've entered the PIN, so we have no idea which PIN
> to use with this device.  Chicken+egg problem really.  There may be
> some ways to work around this (store the PIN with whatever attributes
> we *can* get from the device) and just do best-effort, asking the user
> when we can't figure it out.  Needs to be written though.

Ah, thanks for the clarification.

Bye,
Tassilo



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