Connecting an extra computer to Internet

[Paul Smith]

On 7/6/07, Mike Chambers <mike at miketc.com> wrote:
> > >> Is this your router:
> > >> http://www.thomson-broadband.co.uk/products/Details.asp?ProductID=514
> >
> >
> > Kevin J. Cummings:
> > > But, will his ISP provide him more than one IP address?  This is the
> > > limiting factor!  If the ISP will only give him 1 IP, what happens when
> > > the 2nd computer asks and gets no answer?
> >
> > If that link was for the right modem, then he should have no problem.
> > Further down the page, the product details say:  "Allows Multiple users
> > to share a single IP address on the same ADSL connection".  That implies
> > that it does something like NAT (the modem gets your public IP, your LAN
> > runs on a different subnet using private IPs).
>
> Actually, what it means is what it says; It allows multiple users to
> share a single IP.  But what it didn't say, is that you have to build
> your own network behind it to allow the sharing.  Lots or most modems
> say the same thing, but again you have to build your own network.  Heck,
> even look at the back of the modem, it only has ONE ethernet cable.  You
> can't share with just one.
>
> The OP will need to buy/build a router and setup his own
> network/firewall if he wants to allow more than one computer.

With just a CNet switch I can effectively share my Internet connection
with other computer, and I did not need to do anything else regarding
configuration but connect the cables.

Paul