Browsing Tag
networking
217 posts
How to Configure and Verify IPv4 and IPv6 Static Routing
Before any dynamic routing protocol runs, there is a simpler, more fundamental concept: static routing — manually telling…
Determine How a Router Makes a Forwarding Decision by Default
Every time you open a website, send an email, or stream a video, your data travels across many…
Interpret the Components of the Routing Table
The routing table is the “brain” a router consults for every single forwarding decision. If you can read…
How to Configure and Verify Layer 2/Layer 3 EtherChannel (LACP)
Imagine you have two switches connected by a single cable. That cable carries all the traffic between them.…
How to Configure and Verify Layer 2 Discovery Protocols (Cisco Discovery Protocol and LLDP)
Have you ever walked into a server room, seen a wall of switches with dozens of cables, and…
How to Configure and Verify Interswitch Connectivity
Real networks are rarely built with a single switch. Even a small office typically has at least two…
How to Configure and Verify VLANs (Normal Range) Spanning Multiple Switches
A VLAN (Virtual Local Area Network) lets you take a single physical switch — or a whole group…
Describe Characteristics of Network Topology Architectures
Every network — from a small home office to a global cloud provider’s data center — is built…
How to Verify IP Parameters for Client OS (Windows, macOS, Linux)
Before troubleshooting any network issue, the very first question should be: “What IP configuration does this device actually…
Compare IPv6 Address Types
IPv4’s roughly 4.3 billion addresses seemed limitless in the 1980s — but the explosion of Internet-connected devices made…