Internet on laptop through an ethernet cable

  Shutt1e 19:51 20 Jun 06

i was wondering if all i needed to do when i get a laptop is plug an ethernet cable from my computer to laptop to get internet on it

  mgmcc 20:18 20 Jun 06

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

1) Install a Network Adapter in each PC (if not already installed) and connect them directly with a crossover CAT5 ethernet cable. “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 network adapter used for your "private network connection" with the IP address and subnet mask If you have more than one adapter available for this purpose, e.g. both a "Local Area Connection" and a "Wireless Network Connection", you will have a drop down list from which to select the appropriate adapter. 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. 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.

To enable “Internet Connection Sharing” in Windows XP, open the Network Connections folder, right click the actual internet connection (modem connection), select Properties and then the Advanced tab. Tick the box “Allow other network users to connect through this computer’s Internet connection”.

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”. All networked computers connect directly to the router with ‘straight-wired’ CAT5 ethernet cables.

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 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.

  ade.h 20:21 20 Jun 06

This seems to be the same question that you asked the other day, which you marked as resolved but did not reply to. Except that you had omitted the fact that another PC is involved - rather than a router - and that it therefore needs to act as a host. It would have been helpful if your original post had been more detailed.

You will need to enable ICS (via the Network Setup Wizard if you want the convenient method) on the host and configure its firewall in a similar manner to that of the client.

  ade.h 20:22 20 Jun 06

I should have refreshed the page.

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