What is Subnetting ?
Today our topic is very important, What is subnetting ? .You will easily understand subnetting in this topic.In previous post we have learn basic concept of subnetting.You can refer that basic concepts so that you will understand why subnetting is necessary in network. I will suggest you to go through basic concept of subnetting.
Subnetting means ?
Subnetting is a technique to partition a single physical network into more than one smaller logical sub-networks. An IP address include two parts one is network part and other is host part.
Each IP address consist of the subnet mask. All the class types such as Class A, Class B, Class C include the subnet mask know as default subnet mask.
How to do subnetting ?
Suppose you want to setup five different network, Then you have two choices first buy five different network ID, But this network ID will be very costly so will not prefer to buy five different network. Second buy a single network ID and divide this single network ID into five different sub-network ID, Which is called subnetting. Hence we will prefer subnetting as shown in below picture.
