📘 Day 8 Description: – Testing a Subnet This lesson brings subnetting to life with a hands-on example using the IP block You’ll learn how to break down the subnet, identify usable IPs, and test connectivity using real-world commands. 🧠 What You’ll Learn Today 🔹 Subnet Breakdown: - Subnet Mask: - Total IPs: 8 (6 usable) - Usable Host Range: to - Network Address: - Broadcast Address: - Understand how /29 creates small, efficient subnets for tightly controlled environments. 🔹 Subnet Testing Tools - Ping – Verify host-to-host connectivity - Traceroute – Visualize packet paths - ARP Table – Check IP-to-MAC mappings - ipconfig / ifconfig – Inspect local IP settings - Subnet Calculator – Confirm ranges and masks 🔹 Real-World Use Cases - Small office networks - Point-to-point links - Device grouping for security zones