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Re: [ask] Sierra Wireless USB Modem Internet Configuration
> It apperas that the device is detected as /*umass */and cd1 for the
> removable disk.
> if it using pppd, i have a copy of the sites which have explain for it,
> but it is used for other modem. Could this work with Sierra modem, the
> one i have the reference is for Novatel Modem.
If dmesg spits out a ucom device, then all that Aceshura needs to do is use the
AT&T Wireless PPP scripts that are in /usr/share/examples/pppd as a basis and
update them to the ISP's settings. I used those as a base for my Sierra USB
305. (aka AT&T USBConnect Lighting.)
If dmesg isn't giving a ucom device, then you will need to add support to
NetBSD for it. You will need to do the following things.
1) Run usbdevs -v to see what the USB ID for the device is. You may also have
to search for that ID elsewhere.
2) Sierra devices with umass and cd subdevices are mostly supported as u3g and
ugensa. These are under sys/dev/usb. In my case, U3G disabled the Tru-Install
mode and enabled the serial mode. ugensa then kicked in to provide a ucom port.
3) Update usbdevs with the new device ID and run make -f Makefile.usbdevs
4) Add the entries to u3g.c and ugensa.c, compile a kernel and see if the
device gets enumerated properly.
5) Do some sanity checks with tip/cu and ucom0 or whatever the kernel passes as
the ucom device.
6) Get the device working with your ISP. Use the Cingular 3G example given
earlier as a baseline.
7) Submit the device ID and needed changes back using send-pr.
I needed to go through all this when I got my USB 3G modem put into -current.
I've hacked my way to getting it to work under 5.1 and the next step is to make
it behave properly as a U3G device. It would be nice to use the SDHC port and
disable the Tru-Install image (cd0/1). There are USB commands in the Sierra
Linux device driver to do all that, but I haven't had the time to get back down
into the weeds to get it to work right.
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