From db5cf9853ae9c89ca58a0c651142cfc742fa1196 Mon Sep 17 00:00:00 2001
From: Paul Warren <pwarren@pwarren.id.au>
Date: Sat, 16 Oct 2021 19:37:58 +1100
Subject: [PATCH] more progress

---
 Diagrams/Overview.dia | Bin 0 -> 2175 bytes
 index.html            |  74 +++++++++++++++++++++++++++++-------------
 2 files changed, 52 insertions(+), 22 deletions(-)
 create mode 100644 Diagrams/Overview.dia

diff --git a/Diagrams/Overview.dia b/Diagrams/Overview.dia
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diff --git a/index.html b/index.html
index ac423e4..127c568 100644
--- a/index.html
+++ b/index.html
@@ -48,24 +48,6 @@
 	  <p class="fragment">Maybe don't go and try building an ISP based off this talk :)</p>
 	</section>
 
-	<section><h2>How it started</h2>
-	  <p class="fragment">One subnet</p>
-	  <p class="fragment">Standard tech shop router with defaults</p>
-	  <p class="fragment">Made mistakes that broke critical applications</p>
-	  <aside class="notes">
-	    <p>usual 192.168.0.0/24</p>
-	    <p>Such as netflix and iview</p>
-	  </aside>
-	</section>
-
-	<section><h2>So where to from here?</h2>
-	  <p class="fragment">linux can do VLANs, lets see if that helps!</p>
-
-	  <aside class="notes">
-	    <p>It did!</p>
-	  </aside>
-	  </section>
-	
 	<section><h2>What even is a network</h2>
 	  <p class="fragment fade-in-then-out">Ethernet?</p>
 	  <p class="fragment fade-in-then-out">Token Ring?</p>
@@ -92,14 +74,61 @@
 	  <p class="fragment">Like an onion!</p>
 	  <p class="fragment">That 7 layer thing from the OSI</p>
 	  <p class="fragment">Administrative overlays</p>
-	  <p class="fragment">VPNs/Tunnelled
+	  <p class="fragment">VPNs and Tunnels</p>
 	  <aside class="notes">
 	    <p>or a parfait</p>
 	    <p>which you can mostly ignore, as what we have doesn't conform to it. But it does provide a good framework for assisting understanding</p>
-	    
+	    <p>Like firewalls, web-proxies/SSL MITM, But also access rights etc</p>
+	</section>
+
+	<section><h2>Layers!</h2>
+	  <p>This means something something Physical/Logical disconnect</p>
+	  <p class="fragment">Networks are also a bit fractal in nature</p>
+	  <p class="fragment">For the purposes of this talk, we can ignore a lot of complexity</p>
+	</section>
+
+	<section><h2>What we're familiar with</h2>
+	  <p>Diagram showing standard leaf node of a network with a bit cloud containg "The rest of the org"</p>
+	</section>
+
+	<section><h2>>What we're familiar with</h2>
+	  <p>Diagram showing added storage and server network<p>
+	</section>
+
+	<section><h2>>How things evolve</h2>
+	  <p>Uh Oh, we've got a new Datacentre</p>
+	</section>
+
+	<section><h2>>How things evolve</h2>
+	  <p>which has its own lot of storage and servers</p>
 	</section>
 	
-	<section><h2>The Problems</h2>
+	
+	<section><h2>Anyway, let's get started!</h2>
+	  <p>What even is a router?</p>
+	  <p class="fragment">Two or more interfaces</p>
+	  <p class="fragment">Some logic to determine where a packet goes</p>
+	  <pre><code data-trim data-noescape>
+
+	    </code>
+	  </pre>
+	</section>
+	
+	<section><h2>Linux Routing</h2>
+	  <pre><code data-trim data-noescape>
+net.ipv4.ip_forward = 1
+net.ipv6.conf.all.forwarding = 1
+net.ipv6.conf.default.forwarding = 1
+	    </code>
+	  </pre>
+	  <p class="fragment">And we're done!</p>
+	  <p class="fragment">Yeah, not really :)</p>
+	  </section>
+
+	<section<h2>Routes!</h2>
+	  <p>
+	
+	<section><h2>Bits and Pieces</h2>
 	  <p class="fragment"> 
 	  <p class="fragment">VLAN</p>
 	  <p class="fragment">OSPF</p>
@@ -112,7 +141,8 @@
 	<section>ergh, NAT</section>
 	<section>Why use a 'real' router</section>
 	<section>OpenWRT</section>
-
+	<section>Multi Host IPs (Authoritative DNS example like in the facebook thing)</section>
+	
 	<section><h2>Resources</h2>
 	  <p>These slides: <a href="https://gitea.pwarren.id.au/pwarren/SysAdmin2022">https://gitea.pwarren.id.au/pwarren/SysAdmin2022</a></p>
 	  <p>bird: <a href="https://bird.network.cz/">https://bird.network.cz</a></p>