https://my-it-blog.netlify.app/tags/packet-tracing/ Recent content in Packet-Tracing on My IT Journal Hugo en-us Wed, 17 Jun 2026 00:00:00 +0000 https://my-it-blog.netlify.app/posts/dmz-networking/ Wed, 17 Jun 2026 00:00:00 +0000 https://my-it-blog.netlify.app/posts/dmz-networking/ <h2 id="objective">Objective</h2> <p>The lab focuses on troubleshooting real-world network failures by systematically isolating issues at each layer of the network stack.</p> <hr> <h2 id="network-topology">Network Topology</h2> <pre tabindex="0"><code>LAN (User Network) DMZ (Service Network) 192.168.10.0/24 192.168.20.0/24 __________________ _____________________ Client VM Server VM 192.168.10.101 192.168.20.10 | | | | ________ Firewall VM ___________ (Router + Firewall) </code></pre><hr> <h2 id="issue-1-no-connectivity-between-networks">Issue 1: No connectivity between networks</h2> <p>Failure to connect to the webserver</p> <p><img alt="issue" loading="lazy" src="https://my-it-blog.netlify.app/posts/dmz-networking/issue.png"></p> <hr> <h2 id="troubleshooting-workflow">Troubleshooting Workflow</h2> <h3 id="step-1---verify-the-service-exists">Step 1 - Verify the service exists</h3> <p>From Server:</p>