Networking

Introduction Even in 2026, ARP (Address Resolution Protocol) is still quietly doing a lot of work behind the scenes in IPv4 networks. IPv4 hasn't disappeared LANs are still full of Ethernet segments Every IPv4 packet still has to be delivered over a Layer 2 tec...

Introduction IP addressing is one of those things that "just has to work" - until it doesn't. When addresses clash, leases expire, or a key server suddenly "moves," users immediately feel it as downtime, slowness, or "the network is broken." By 2026, networks are mor...

Every device on your network needs an IP address. You can either assign it manually (Static IP) or let the network hand it out automatically (DHCP). The right choice affects deployment speed, troubleshooting, security, remote access, and long-term scale. This guide gives you a clean, table-driven comparison, practic...