When the default gateway receives the information, it needs to do Network Address Translation (NAT), which encapsulates the IP address to be publicly facing. ![]() You should never see any of these addresses in this pattern as a public IP address, as they are reserved for private LAN addresses only.Īll of these devices send data through a default gateway (a router) to move data out to the Internet. They should also be on the same subnet, which is the organizational method within the IP addressing scheme. In order for the devices in the network to communicate with each other, they should all follow the same pattern as the other devices. There are special configurations that can be done, but there are some standard things to keep in mind. It doesn't negatively affect your addressing scheme, as they are only used within their own private network, and hence, there is no conflict. There are potentially millions of locations that might have the same pool of internal IP addresses as your business. These addresses are only visible inside a network, between devices, and are considered private from outside networks. ![]() In a LAN, the router assigns each device its own unique internal IP address. Everyone connected to the LAN is in the same physical location. A Local Area Network (LAN) might be as big as several buildings or as small as a home.
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