Re: ICS; Wireless Host with Dialup Internet

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Tort wrote:
I'm only addressing two computers. Also not mentioned is a wired/
wireless router.

You correctly describe the wireless host. It cannot be connected by
wire to the router due to the lack of a wired connection to it's
present location. The present location cannot change because it's the
only consistent location in a house (way out in the sticks) where the
Sprint signal is strong enough via a Sprint antenna. So basically, the
Sprint phone has to be in one part of the house where there isn't an
internet cable. That's fine, since a notebook computer can be setup
there and wirelessly connect to the network.

So that notebook, with the Sprint phone, has a broadband connection.
Works great. Problem was that the rest of the network (including a
media center and Xbox) need an internet connection as well, but we
can't move all the equipment over to where the Sprint phone is.

The wired client is connected to the router (along with an Xbox, a
media center PC and another wireless desktop...all of which I left out
to keep it simple). For our purposes, let's ignore the other wired
computer.

In short, you have this:


Router-----(2 feet)--------------Wired Client (server)
:
:
:(50 feet)
:
:
Wireless Host (notebook)---------(1 foot)----------Sprint Phone (can't
be moved)


On Jan 31, 9:27 pm, Lem <lem...@xxxxxxxxxxx> wrote:
I'm confused. Do you have 2 computers or 3?

It sounds to me as if you have 3:

Computer A: Your "wireless host." This computer has a USB wireless
broadband adapter; it has a "wired LAN" that "can't be connected" (why
not?); and it has a "wireless LAN."

Computer B: Your "wired client." What is this wired to if not computer A?

Computer C: A "wireless client" that I assume you want to connect to
the "wireless LAN" on computer A.


OK.

If I understand your post from 1/31, you are successful in accessing the Internet from both the wired client and the wireless host (and, I assume, from all of the other computers connected via wire or wireless to the router -- now that I understand your setup). The only issue now is the lack of firewall.

Right?

As near as I understand things, here is what is going on.

When you implemented ICS on "wireless host," that automatically set the wireless NIC in that computer to have an IP address of 192.168.0.1. That is your "Default Gateway" (yes, necessary) and your DNS server (actually, ICS translates a DNS request to reach Sprint's DNS server; if you want, you can set the alternate DNS server to whatever the value is as shown when you look at the ipconfig /all info for your Sprint connection, but this is not necessary).

In order for the computers to communicate, they have to be on the same subnet. This means that they all have to have IP addresses of the form 192.168.0.x. Normally, ICS would automatically assign such addresses. The problem you initially had is that there ALSO is a DHCP server in your wireless router, that had assigned your "wired client" an IP address of 192.168.1.x. In this configuration, you should turn off the DHCP server in the router from its web configuration pages. You accomplished much the same thing by assigning a static IP address of 192.168.0.4 to your wired client.

However, because your router initially assigned "wired client" an IP of 192.168.1.x, that means the router's own IP address is 192.168.1.1. Now that you have changed "wired client's" IP to 192.168.0.4, you probably can't reach the router's configuration pages to change anything. Temporarily change "wired client" back to 192.168.1.x, then change the router's LAN IP address to another 192.168.0.x address. Then change "wired client" back. Alternatively, now that you have turned off the router's DHCP server, you can leave "wired client" set at "obtain an IP address automatically" and it should get one from the DHCP Allocator component of ICS running on your wireless client."

Assuming things are now working, go back to the "wireless client" and on the Sprint adapter, activate windows firewall. Does it block Internet access now?

--
Lem MS MVP -- Networking

To the moon and back with 64 Kbits of RAM and 512 Kbits of ROM.
http://en.wikipedia.org/wiki/Apollo_Guidance_Computer
.

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