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Windows 7: How can we share the ip addresas for two computers?

19 Oct 2009   #1

Windows XP
How can we share the ip addresas for two computers?

I am using broad band service & i want to share the ip address for my two systems, is this posssible. I know my ip address through the site named http://www.****************/. Now i want to share the ip on both systems. Need help pls...........

My System SpecsSystem Spec
19 Oct 2009   #2

Windows 10 Pro (x64)

Get a router between the modem and the computers. This is by far the easiest way.
My System SpecsSystem Spec
19 Oct 2009   #3

Windows 7 Ultimate 64Bit

Two matters cannot occupy the same space i'm afraid, unless there is a deeper meaning to your question. Each machine be it physical or virtual has it's own unique IP. However if you mean sharing IP through an alias naming (in case of domain name) than that's different.
My System SpecsSystem Spec

19 Oct 2009   #4

Windows 7 Ultimate x64 RTM

Not the clearest of questions but as mentioned above, the easiest way would be to install a router between your modem and your computers.

If you are already using a router (rather than a modem connected directly to one of the machines), then they will already effectively be sharing the same IP address.

You will (normally) only have one external IP coming into your house for how ever many machines you are running. Each of your computers must have it's own internal IP.
My System SpecsSystem Spec
19 Oct 2009   #5


You're going to need a router
My System SpecsSystem Spec
19 Oct 2009   #6
Guy Scharf

Win 7-32, XP Pro-32

Depending on the details of your broadband connection, this may be quite easy. If your connection to broadband (cable or DSL for example) is through a box supplied by the vendor, see if there are multiple ethernet jacks on the modem. If so, you can probably just plug your other computer into another jack. In situations like this, the IP address being reported is actually the IP address of the modem/router, not directly that of your computer.
My System SpecsSystem Spec
13 Jan 2010   #7


Yes, it is called NAT (Network Address Translation). You run your Internet into a router. The router will assign all of the computers on your network a private internal IP address and forward all connection through your Internet connection device.
My System SpecsSystem Spec
13 Jan 2010   #8

Windows 7 Ultimate 64Bit

I think the correct answer has already been said. An IP address is unique and no two devices/machines can have the same IP address (per adapter), regardless of external or NAT'd. Each house using cable or ADSL will have a unigue IP provided by the ISP. The router is then configured to translate this IP into many IPs used internally. Each machine in the network then is allocated with one of these IPs, if the machine is set to auto detect IP. The router learns which IP belongs to which machine and that's how machines are able to communicate with one another. Where a machine is set with manual IP, it too must be a unique IP.
My System SpecsSystem Spec

 How can we share the ip addresas for two computers?

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