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Date: Tue, 6 Sep 2011 14:26:09 +0200
From: Kurt Jaeger <lists@opsec.eu>
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Subject: Re: Ericsson F5521gw hayes command set and descriptions ?
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Hi!

> > umodem0:<F5521gw Mobile Broadband Modem>  on usbus1
> > umodem0: data interface 2, has CM over data, has break
> > umodem1:<F5521gw Mobile Broadband Data Modem>  on usbus1
> > umodem1: data interface 4, has CM over data, has break
> > umodem2:<F5521gw Mobile Broadband GPS Port>  on usbus1
> > umodem2: data interface 10, has CM over data, has break
> >
> > I tried this on all of them:
> >
> > AT+CPIN=nnnn
> > ERROR
> 
> The link [1] mentions something about using USB Ethernet instead of USB 
> Serial with this device. Can you try unloading umodem and loading if_cdce?

This might be the case:

cdce0: <F5521gw Mobile Broadband Network Adapter> on usbus1
ue0: <USB Ethernet> on cdce0
ue0: Ethernet address: 02:80:37:ec:02:00

And indeed, ue0 is listed with ifconfig:

$ ifconfig ue0
ue0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
        ether 02:80:37:ec:02:00
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>

> That's my last idea in this subject I think. Insecure solution would be 
> removing PIN from the SIM but it'll tell you if the modem even can 
> connect to the network.

I'll investigate this, thanks!

-- 
pi@opsec.eu            +49 171 3101372                         9 years to go !