What is ARP (Address Resolution Protocol) ?

What is ARP (Address Resolution Protocol) ?

ARP (Address Resolution Protocol) is an internet layer protocol of TCP/IP protocol stack. The use of ARP is find out destination layer 2 address when layer 3 address is known. In other words, It helps to find out other devices on the same broadcast domain. For communication, on the ethernet, within broadcast domain, device must have some following address.

How to subnetting IP

How to subnetting IP ?

In this article we will know how to make subnet of a classfull or classless network. Subnetting means break a large network into a some small network. It's depends on your requirement that how much subnet or small network you need. Okay, first we discuss about some steps of subnetting and then we will see some example.