networking

Networking

STP Port Roles and Port States Explained

After learning how STP elects the Root Bridge, the next important concept is understanding STP port roles and port states.…

Networking

What Is STP Root Bridge Election? Bridge ID, Priority and MAC Address

In a switched network, redundant links are useful for availability, but they can also create Layer 2 loops. The Spanning…

Networking

Collision Domain vs Broadcast Domain: Switching Fundamentals

Two important concepts every networking student should understand are collision domains and broadcast domains. Both describe…

Networking

What Is a Broadcast Domain? Switches, VLANs and Routers

When learning computer networking, you will often hear terms such as broadcast domain, VLAN, switch, and router. Understanding…

Networking

What Is MTU? Why Packet Size Matters in Networking?

MTU (Maximum Transmission Unit) is an important networking concept that defines the largest packet size that can normally…

Networking

What Is ICMP? The Protocol Behind Ping and Network Troubleshooting?

ICMP (Internet Control Message Protocol) is an important protocol used by IP networks to communicate error information,…