Re: Implementing Networking in WincE4.2 device

Well, if you use Ethernet to connect between your device and the "modem"
(not sure what kind of modem has an Ethernet port on it), then you just need
the IP address of that "modem" and you need to set that as the gateway
address on your device. That is, the modem acts like a gateway for the
small network consisting of your device and the modem (both of which need to
be on the same subnet, of course). It's *much* simpler than trying to use
RAS and that would just make it much more complex. I wouldn't *try* to get
RAS involved.

If you connect to the modem with USB, you'll need a driver for the modem,
appropriate configuration to use it to 'dial', etc. I don't have any
experience with doing that specific thing, so I can't give you any sort of
detailed instructions. I believe that you need RAS, Unimodem, and the
driver(s) for your target device to make this work.

My impression is that most devices of this sort have a phone built into them
(my Pocket PC Phone Edition, for example, easily connects to GPRS for
Internet access; the phone module just looks to it like a network adapter,
has an NDIS driver, etc.) Since it sounds like you've selected the CDMA
component that you plan to use, I'd talk to the guys you're going to buy
that from and get as much information as you can about how to use it with
Windows CE. If they don't know Windows CE, you probably want a different
source.

Paul T.

"Manish" <Manish@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:852387CD-DE3C-44A8-B9D4-B862B456870F@xxxxxxxxxxxxxxxx
I am Sorry PAUL ,really my mistake ,i did not tell you the complete
senario .

The seen is Like this ..
Our product is WinCe based device (CAR PC),needless to say that this is
going to be installed in CARs. In that we want internet access,(in side
the
CAR).

We are evaluting to use RAS (USB or ethernet cabel).
For this purpose we will be using CDMA MODEM which will be having USB or
Ethernet cable connection between our device and MODEM.

I hope now you can understand what exactly i want ..

Now can you please answer my questions

Q1. So far i know that ,Once RAS is there over actul serial port or on
virtual serial port . Internet access will be available . The we can write
any application which need web browsing (Socket programming).

Q2. if we use ethernet cable for above purpose(Between MODEM and our
device
) , Can i use same concept of virtual serial port here also , for RAS
connection .

for this case CS8900(ethernet controller) will be ok or you can suggest
somthing better

Q3. If we have RAS service(over USB i.e. virtual Serial port ) in our O/S
image ..In that
case do we need to have ethernet controller or NDIS implemented
OR
RAS don't need etherrnet controller(with NDIS implemented)

Q4.What exactly i will need to add in O/S image so RAS can work..?

Wating for reply

Regards
Manish


1. RAS Server has nothing to do with establishing outgoing connections
from
the device to, say, the Internet. It's a means for some remote device to
call in to the CE device, like dialing up to Earthlink where the CE
device
is Earthlink. I guess whether that's what you want or not is not clear
from
previous messages. If you want to dial out, you don't need to be running
the RAS server.

2. Huh?

Back up and tell us *what* you want to do, *not* how your collegue wants
to
do it. That's not the way to get a good answer.

Paul T.


"Manish" <Manish@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:708120FC-74B7-4820-A113-717124E8B30E@xxxxxxxxxxxxxxxx
Thank you PAUL for answering.

I would like to know little bit more.

1. If we have RAS service(over USB or Serial) in our O/S image ..In
that
case do we need to have ethernet controller or NDIS implemented
OR
RAS don't need etherrnet controller(with NDIS implemented)

2. My Senior colleague want to use RAS (but communication media they
want
is ethernet cable) is it possible or not ..? because so far i have
heard
RAS on Serial or USB.

Please reply

Regards
Manish



"Paul G. Tobey [eMVP]" wrote:

1. You'll have to answer that. Do you need it? Is serial going to be
fast
enough? Can you be sure that your USB connection will always be
present
and
connected?

2. Use something that has a Windows CE driver. SMSC 91c111 (10/100),
or
91c96 (10), RTL, CS8900. Look in the Platform Builder catalog for
those
that have drivers from MS and check with the silicon vendors for any
other
that you might think about using.

Paul T.

"Manish" <Manish@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:7AE4CD77-73F7-44D6-A612-C7A0D6EDC43F@xxxxxxxxxxxxxxxx
we are having a WinCE4.2 based device.I have following questions .

Q1 .If we have RAS service(using USB or serial) in our device for
internet
Access in that case do we need to have ethernet controller..?

Q2. If we want to implement networking facility ,then CS8900
ethernet
controller will be ok..?
Can anybody suggest wht chip set be good to use.

Please reply

Manish budhia








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