Introduction to IP Addressing
IP (Internet Protocol) addressing is the foundation of modern computer networks. Every device connected to a network must have a unique IP address to communicate effectively. IP addresses come in two main types: IPv4, which uses 32-bit numbers, and IPv6, which uses 128-bit hexadecimal numbers.
IPv4 addresses are written in four decimal numbers separated by dots, ranging from 0.0.0.0 to 255.255.255.255. IPv6 addresses were introduced to accommodate the explosive growth of internet-connected devices, providing a much larger address space.
Understanding IP addresses also involves subnetting, which divides larger networks into smaller, manageable segments. This segmentation improves network performance, enhances security, and allows efficient IP address allocation.
Network administrators must know how to configure IP addresses correctly, assign gateways, and troubleshoot connectivity issues. Misconfigured IPs can lead to network conflicts, loss of connectivity, and security vulnerabilities.
Learning IP addressing lays the groundwork for understanding routers, switches, and other networking devices. It is an essential skill for anyone pursuing careers in IT, network administration, or cybersecurity.
