XP DUN and LAN via Router problems

Hi

My first post here, sorry it's a request for help, but I hope I can help others out too

Anyway, I'm having MAJOR problems getting a networking system running:

Current system is:

1) PC connected via ADSL modem to the Internet
2) Same PC connected via 10/100 Ethernet to a router
3) 3-4 other machines connected to same route

Now, I want the other machines to access this machines internet connection.

However, as soon as I run the network wizard and pick "machine connects directly to net, other machines share this connection" (or something like that), the internet machine can no longer see the rest of the network and vice-versa!!

This is really doing my head in. I know I could connect all the machines to the router (it does have ADSL), but a piece of sotware I'm using (dialip access to video cameras) will only work if the main machine is connected directly to the net via the ADSL modem.

Anyway help here would be GREATLY appreciated. I don't have massive experience of multiple networking, so a step-by-step answer would be great.

Thanks in advace

 

Does the 'master' PC connect to DSL via an ethernet card?

What operating system(s) are the PCs running?

Hopefully when you say they are connecting via a router, you have a router/switch combination. In that case they are using the switch portion to connect on your local network.

I think some of the extra features of your router are causing you problems. We'll probably have to set things up manually rather than via the wizard but that isn't difficult.