Re: Hubs,Switches,Routers,Software Settings?

From: Ron Lowe (ron-msng_at_{d.e.l.e.t.e.}lowe-family.me.uk)
Date: 09/02/04


Date: Thu, 2 Sep 2004 20:31:51 +0100


"jtravis" <jtravis@cox.net> wrote in message
news:01ff01c49120$97d5f8e0$a401280a@phx.gbl...
>I have 3 machines running XP Pro SP2 connected to the net
> thru a hub so all 3 will have a separate IP. I use a hub
> so we can play online games together, which a router will
> interfere with as most game zones will not allow more than
> one client per IP address. This works great for that
> respect, but, when connected to the internet the machines
> cannot see each other. Unplugging the modem solves this
> problem, the machines can now see each other but alas!
> no internet connection. How can I setup my network so all
> machines can see each other and still have separate access
> to the net?

There's not a simple answer to your question.
There are a couple of possibilities.

First, and simplest:
Use the hub, have each machine pick up an IP address of its own.
Install a second protocol ( IPX ) for local F+P sharing.
Un-bind F+P sharing from TCP/IP, and have it bound to only IPX.

Second, and more complex:
( This is what I use.. )

For all your machines to have both:
-public IP addresses ( no-NAT connections to the Internet );
AND
-be in the same local subnet...

Then you really need a routed subnet from your ISP.
Then you get a set of 16 or more public IP addresses in a continuous range.
Then the machines all have full no-NAT IP conectivity, but also have a loacl
subnet for F+P sharing etc.
You need to know how to set up a router to do this.
This is fairly unusual for domestic configurations.
Your ISP may not offer this option.
Be sure to have good firewalling!

-- 
Best Regards,
Ron Lowe
MS-MVP Windows Networking


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