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Can two network adapters work in different IP protocols simultaneously?

Does a network have an IP address, a computer, or both?

  • I am a little confused about how IP addresses work. I was sure that each computer had a different IP address, however, one of my friends said that every computer on the same network functions under the same IP address. I think that each computer has a different IP address, but the network has one as well. For example, the network IP address may be 0.0.0.0, and then two computers may be under the IP address of 0.0.0.0, one being 1.1.1.1 and another being 2.2.2.2. Thanks in advance for your clarification.

  • Answer:

    Every item on the network must have a different IP address. The same goes for the internet, that's why they're introducing IPv6 - because the 4 billion addresses of IPv4 aren't enough to go around. However, your computer's address on your home network can be the same as mine on my home network because they aren't linked, but our internet IP addresses have to be different..

Alexander Berthelot at Yahoo! Answers Visit the source

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your friend is confusing internal/Local Area Network (LAN) and external/Wide Area Network (WAN) IP addresses. As has previous been said all devices (computers, printers etc) on a network must have different IP addresses. However when a LAN is interfaced to a WAN via a router it is the routers IP address that will be seen by computers on the WAN not the individual IP's. The WAN address is often radically different from the LAN address where the router acts to translate between the two. A typical example is a 192.168.x.x address which is often used by routers for LAN's but could be 72.76.x.x when seen on a WAN.

Yes every computer has their own IP address...But if you are in a network of 3 computers for example and each one of the computer has an IP of 192.168.0.1 and 192.168.0.2 and so on. That will be the default IP of computers in a network, and If your network is connected to the internet your IP will be Unique, something like 90.34.22.232. All the said computers in your network will only be Using 1 Unique IP because the internet read your network as ONE computer,

Every computer on a network has a different IP address ... except for anycasting, where two computers can have the same ip address and the routing tables give different answers depending where you are. For example, www.google.com might be 173.194.33.52, wihc is a different server depending on whether you are in the US or Europe. But in general, no. 0.0.0.0 is a network address of the entire internet. A subnet might have an IPv4 address like 192.168.3.0, and computers on that network have addresses 192.168.3.2 and 192.168.3.1. There's also a broadcast address 192.168.3.255, which is the address of "every device on the subnet", so they will all answer if you ping that. There are also cases-sensitive multicast addresses, to which more than one device will answer, used for e.g. sending streaming video or time signals 1.1.1.1 and 2.2.2.2 are in totally different network blocks so you could not have those one one network

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