Networking Brain Dump
The Networking Brain Dump, Part 3: VLANs, STP & EtherChannel
Part 3 of 6. Parts 1 and 2 covered the OSI model, all seven layers, and routing fundamentals. This one stays at Layer 2 and goes deep into how switched networks are designed, protected from themselves, and optimized. VLANs A VLAN (Virtual LAN) is a logical partition of a Layer