/docs/virtualbox/ Recent content in VirtualBox on Packetville Hugo en-us Tue, 11 Nov 2025 00:00:00 +0000 /docs/virtualbox/internal-network-adapters/ Tue, 11 Nov 2025 00:00:00 +0000 /docs/virtualbox/internal-network-adapters/ <h1 id="understanding-virtualbox-internal-network-adapters">Understanding VirtualBox Internal Network Adapters<a class="anchor" href="#understanding-virtualbox-internal-network-adapters">#</a></h1> <hr> <p>When you create an Internal Network in VirtualBox, three things happen behind the scenes.</p> <ol> <li>VirtualBox creates a virtual switch.</li> <li>The VM gets a virtual network adapter, just like a real NIC.</li> <li>A virtual network cable connects the VM&rsquo;s adapter to the virtual switch.</li> </ol> <p>Think of it like physical computers connecting their network ports to a switch using CAT6 cables.</p> <p><img src="tplink-switch.jpg" alt="Alt text" /></p> <h2 id="creating-a-switch">Creating a Switch<a class="anchor" href="#creating-a-switch">#</a></h2> <p>When you name your Internal Network (for example, &ldquo;mynetwork&rdquo;), that name is the switch. Any VM you attach to the same name will land on the same switch. Spelling matters. A typo creates a separate, isolated switch.</p>