Todo 13:38 03 Nov 2005

Hi, im a beginner user at networking, my girlfriend recently asked me how to connect hers and her brothers computer to use the single internet connection in the house and how to do it as one is upstairs and the other downstairs.

the single point of the internet is upstairs with the modem and enabled telephone line.

how would i be able to achieve this and what equipment would i need?

thanks in advance :)

  Strawballs 16:50 03 Nov 2005

Unless you wanted to run wires from upstairs to down stairs you need a wireless modenm/router combined and 2 wireless pci cards or if you do not wanet toopen the cases then get wireless USB adapters. click here hope this helps

  01chris 18:53 03 Nov 2005

and have a budget to stick to I reccomend using a crossover cable. Both Pcs will need an ethernet card and you just link them together with this (click here) cable and using the windows network wizard you should be able to use iternet connection sharing

  mgmcc 00:01 04 Nov 2005

To create a wireless network for Internet access and File/Printer sharing, you have essentially two options:

1) Install a Wireless Network Adapter in each PC and create an “Ad Hoc” Wireless Network. This is a network in which the two PCs talk directly with one another, rather than via a Wireless Access Point. “Internet Connection Sharing” is then enabled on the actual Internet connection in the “host” PC and the “client” PC will have Internet access provided the “host” is running and online.

When you enable “Internet Connection Sharing” on the Internet connection, it automatically configures the Local Area Connection with the IP address and subnet mask However, as you will be using a WiFi adapter, you want this address to be allocated to it, rather than a “wired” Ethernet adapter if you have one fitted, so the Local Area Connection should be disabled before setting up “Internet Connection Sharing”. Also, if you run the Zone Alarm firewall in your “Host” PC, the Internet Zone Security level must be reduced from High to Medium or “ICS” traffic will be blocked. The "Client" PC's Local Area Connection should be set to get its IP address automatically, which it does by DHCP from the "Host" PC.

2) The preferred option for connecting more than one computer is to use a broadband Router and, with ADSL, this should be a combined “Router/ADSL Modem”. This is an ”Infrastructure” wireless network because the connected PCs communicate via the router’s Wireless Access Point. Again, a wireless adapter is installed in any PC that needs to connect wirelessly, but often the main PC is close enough to the router for it to use a “wired” connection with only the remote PC connecting wirelessly.

With a router, it is the router which connects directly to the ISP and not one of the connected PCs. The router in turn allocates the IP addresses to the PCs, using one of the address ranges reserved for Local Area Networks, usually

Either of these options will additionally allow you to run File and/or Printer Sharing wirelessly across the network.

If you are running software firewalls, the IP addresses of the networked PCs must be put into its "trusted" area to allow them to communicate with one another.

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