Network Connectivity and Testing

Overview

This lab provides a comprehensive guide to troubleshooting network connectivity issues using essential tools like ping, traceroute, mtr, telnet, and netcat (nc). Participants will learn how to validate connectivity, trace packet paths, monitor network health, test service availability, scan ports, and transfer files, enabling end-to-end network diagnostics.

Inside this lab

You will explore and master various network troubleshooting techniques:

Connectivity Testing (ping): Learn how to test the basic reachability of a remote host and analyze packet loss and round-trip time (RTT).
Packet Path Tracing (traceroute): Understand the route packets take to their destination and identify bottlenecks or routing problems.
Real-Time Monitoring (mtr): Combine the benefits of ping and traceroute for continuous network path monitoring.
Service Testing (telnet): Validate specific port and service accessibility to ensure proper application behavior.
Port Scanning and File Transfers (nc): Use advanced tools for port auditing, verifying connections, and transferring files between systems.
Workflow Integration: Combine these tools into a logical sequence for real-world network problem-solving.

In this lab, you will gain the skills to efficiently diagnose and resolve network connectivity issues, enhance service reliability, and optimize network performance for DevOps workflows. Designed for learners who understand basic networking concepts, this lab delivers hands-on experience with tools critical for modern network troubleshooting.