diff --git a/index.html b/index.html
index 2c4c02a..91bc710 100644
--- a/index.html
+++ b/index.html
@@ -59,6 +59,8 @@
 	  <p class="fragment fade-in-then-out">ipv6?</p>
 	  <p class="fragment fade-in-then-out">tcp?</p>
 	  <p class="fragment">Allows connections between computers</p>
+	  <aside class="notes">
+	    <p>We are going to mostly focus on Ethernet and IPv6</p>
 	</section>
 	
 	<section><h2>Managed network?</h2>
@@ -67,6 +69,7 @@
 	  <p class="fragment"><img src="3tier.png" /><p>
 	    <aside class="notes">
 	      <p>Most of us probably work in a managed network</p>
+	      <p>Most of us probably have a pretty flat edge network at home</p>
 	      <p>Diagram is nice, but hides complexities at each layer.<p>
 	    </aside>
 	</section>
@@ -87,6 +90,23 @@
 	  <p class="fragment">For the purposes of this talk, we can ignore a lot of complexity</p>
 	</section>
 
+	<section><h2>An easy one</h2>
+	  <p>VLANS</p>
+	  <p class="fragment">Ethernet layer</p>
+	  <p class="fragment">Designed to limit broadcast storms</p>
+	  <p class="fragment">Can also separate IP networks on the same Ethernet</p>
+	  <p class="fragment">Tagged and Untagged or Default</p>
+	  <aside class="notes">
+	    <p>beware of 
+	</section>
+	<section><h2>VLANs in linux</h2>
+	  <p>Are pretty easy!</p>
+	  <pre class="fragment">code data-trim data-noescape>
+	    ip link add link enp0s2 name enp0s2.2501 vlan id 2501
+	    ip -6 addr add 2001:db8:2501::10/64 dev enp0s2.2501
+	    ip link set dev enp0s2.2501 up
+	  </pre>
+
 		<section><h2>What even is a router?</h2>
 	  <p class="fragment">Two or more interfaces</p>
 	  <p class="fragment">Some logic to determine where a packet goes</p>