Networking 101: A Beginner's Guide

Welcome to the Networking section of FixWithPhil! This guide helps beginners understand how devices connect, communicate, and stay secure — from IP addressing to routers and cables.
📌 Networking Topics
IP Addressing
Understand IPv4, IPv6, and private/public addressing.
DNS Basics
How domain names translate into IPs using DNS.
Subnetting
Divide and manage your network more efficiently.
Routers & Switches
Learn how traffic flows and devices connect.
RJ45 & Cables
Explore Ethernet connectors, crimping, and testing.
🛠 Tools & Commands
Here are free tools and CLI commands to get started:
- Wireshark – Packet analysis
- Packet Tracer – Cisco network simulation
ping
,ipconfig
,tracert
,ifconfig
🧰 Beginner Gear
- Ethernet cables (Cat5e, Cat6)
- Basic router (TP-Link, D-Link)
- Network crimper + tester
💡 FixWithPhil Tips
- Start learning with your home Wi-Fi setup.
- Use
ping
daily to check connectivity. - Explore DNS using
nslookup
. - Bookmark this page — more coming soon!
👋 Want More?
Follow me on LinkedIn or reach out for help or suggestions. New tutorials every week!