TCP/IP

whai is IP Address?


IP Tutorial - IP Address Notation
Learn how to recognize several different types of IP addresses, including private, reserved and invalid ones.
What Is an IP Address Conflict?
An IP address conflict occurs when two computers on a local network (or the Internet) have been assigned the same IP address. IP conflicts between two computers normally render either one or both of them unusable for network operations.
What is a Subnet?
A subnet is a logical grouping of connected network devices. When a subnet is properly implemented, both the performance and security of networks can be improved.
IP Tutorial - Network Numbering

Network numbers look like IP addresses but function differently. Find out how IP networks get numbered and what purpose these numbers serve.
IP Tutorial - Subnetting
Subnets allow IP networks to be subdivided for security and performance purposes. This tutorial explains how subnetting works and provides examples of subnets in practice.