In order for this traffic to get through, these addresses need to be translated from the internal IP address to a valid IP address. (Actually, the Internet takes this one step further: if you use one of these reserved internal IP addresses to make your request, most routers handling Internet traffic will completely ignore, or "drop" the message.) It would be like calling someone in another country and saying "Call me back at 123456." Without an area code, this information is useless. When you have a dynamic IP address from this block of internal IP addresses, and you request information from the Internet, your internal address really doesn't mean much outside of your ISP's network.
#Will static ip help network file sharing code
In the same way an area code serves to localize a telephone number, Network Address Translation (NAT) is used to map private, internal IP addresses to public ones. This is feasible since each household is located within a distinct area code. For example, the same telephone number may be used in two separate households. This may seem confusing, but in many ways, it is similar to how phone numbers are conserved. Other ISPs also use the same block of addresses for their customers, while conserving outside IP addresses. However, inside their network, they can use a "block" of reserved internal addresses for you, their customers. This allows your ISP to conserve outside IP addresses. Chances are (unless you request it or you purchase more costly "Business" high-speed internet access) you use a Dynamic IP address. In the current IP protocol, there are a limited number of numbered IP addresses, and they need to be conserved. However, not every machine on the Internet can have a static IP address. When you get residential high-speed Internet access, your ISP may give you a static IP address.
It is important for web and mail servers to always have the same IP address that way the address doesn't have to be looked up every time a server needs to be accessed. Once this IP address is assigned, your computer uses it until it is turned off. When the computer is turned on, it will "search" for the Dynamic IP server (in Windows, this may also be called DHCP). Your ISP will provide this address.Ī dynamic IP address needs to be assigned to a computer. You manually configure your computer to use a specific IP address. It's a good idea to understand what these terms mean, as it will make it easier for you to set up your network.Ī static IP address is always the same. More about Networking What are Static IP, Dynamic IP, Network Address Translation (NAT), firewalls, Stateful Packet Inspection (SPI), and DNS?
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