Dia de presentacion

diff --git a/img/toposwitch.png b/img/toposwitch.png
new file mode 100644 (file)
index 0000000..f421cdb
Binary files /dev/null and b/img/toposwitch.png differ

diff --git a/js/topology/cards.js b/js/topology/cards.js
index 04c0606eaa67778269166c222e2299ea5720fb62..52269cd7b47e3d1a92e1212c394552410a547f27 100644 (file)
--- a/js/topology/cards.js
+++ b/js/topology/cards.js
@@ -92,7 +92,7 @@ var generateCards = ( function() {
 var views = [\r
 {id:"mSwitch", cmd:"/listswitch", dsc:"Open V Switch ID(s)", call:dpList, ref:true},\r
 {id:"mTableStats", cmd:"/tablestatus?tablestat=<dpid>", dsc:"Table stats", call:dpTable, ref:true},\r
-{id:"mPortDesc", cmd:"/portsdesc?portdesc=<dpid>", dsc:"Port Desc", call:dpTable, ref:true},\r
+//{id:"mPortDesc", cmd:"/portsdesc?portdesc=<dpid>", dsc:"Port Desc", call:dpTable, ref:true},\r
 {id:"mPorts", cmd:"/portsstat?portstat=<dpid>", dsc:"Ports stats", call:dpTable, ref:true},\r
 //{id:"mTableFeature", cmd:"/data?tablefeature=<dpid>", dsc:"Table Features", call:dpTable, ref:true},\r
 //{id:"mQueueStats", cmd:"/data?queuestat=<dpid>", dsc:"Queue Stats", call:dpTable, ref:true},\r

diff --git a/partials/header.ejs b/partials/header.ejs
index 718844941cef74977dec266b95af948b9691e48b..ad5fc2d3274cb3414f7d5810ae5bb841a2997be6 100644 (file)
--- a/partials/header.ejs
+++ b/partials/header.ejs
@@ -7,10 +7,10 @@
   <span></span>
 
   <ul id="menu">
-    <a href="/"><li>Health</li></a>
+    <a href="/health"><li>Health</li></a>
     <a href="/topology"><li>View topology</li></a>
     <a href="/stats"><li>Flow Tables</li></a>
-    <a href="/starter"><li>Topology Starter</li></a>
+    <a href="/"><li>Topology Starter</li></a>
     <a href="/access"><li>Documentation</li></a>
     <a style= "display: flex;" href="https://github.com/josuer08/VSoRC" target="_blank"><li>GitHub web</li> <img id="ctl00_XXX" src="https://upload.wikimedia.org/wikipedia/commons/4/44/Icon_External_Link.svg" style="width:0.8em; height:0.8em; border-width:0px;" /></a>
     <a style= "display: flex;" href="https://github.com/josuer08/vsorcdistro" target="_blank"><li>GitHub distro</li> <img id="ctl00_XXX" src="https://upload.wikimedia.org/wikipedia/commons/4/44/Icon_External_Link.svg" style="width:0.8em; height:0.8em; border-width:0px;" /></a>

diff --git a/src/routes/index.js b/src/routes/index.js
index 0bff22eb68a95a1cfc9d41afb92ca62edd1e8855..444357eeaadc260c7e00c222dadf1bfdb06876b3 100644 (file)
--- a/src/routes/index.js
+++ b/src/routes/index.js
@@ -7,7 +7,7 @@ const router = new Router();
 
 //renders de las paginas web
 router.get("/", (req, res) => {
-  res.render("index")
+  res.render("starter")
 });
 
 router.get("/access", (req, res) => {
@@ -27,8 +27,8 @@ router.get("/topology", (req, res) => {
 });
 let isVsorcUP = false;
 let isControllerUP = false;
-router.get("/topologyMaker", (req, res) => {
-  res.render("topologyMaker")
+router.get("/health", (req, res) => {
+  res.render("index")
 });
 //en lo adelante se encuentran las peticiones de datos
 router.get('/free', (req, res) => {
@@ -178,8 +178,9 @@ router.get('/getvsorcdata', (req, res) => {
   var exec = require('child_process').exec;
   var child;
   var child2;
+  var child3;
   child2 = exec("ps aux | grep GRE| grep sudo | grep -v tail| awk {'print $2'}", function(error, stdout, stderr) {
-    console.log("view status vsorc");
+    console.log("view status vsorc"); //Cambia el valor de isVsorcUP revisando el ID proceso
     if (stdout === ""){
       isVsorcUP = false;
     }else {
@@ -190,6 +191,7 @@ router.get('/getvsorcdata', (req, res) => {
     console.log("getting vsorc data");
     res.send(stdout+"^"+isVsorcUP);
   });
+
 });
 router.get('/getcontrollerdata', (req, res) => {
   var sys = require('sys')
@@ -241,7 +243,7 @@ res.send(salida);
       console.log("no response from server");
       // expected output: ReferenceError: nonExistentFunction is not def$
       // Note - error messages will vary depending on browser
-      res.send("No response from server");
+    
     }
   });
 });

diff --git a/src/views/access.ejs b/src/views/access.ejs
index 2fb2bb614138995ca24f799fa01fcbf81c1b459f..ad26982b24c6a7da014d6681b2d185f91b3b9abf 100644 (file)
--- a/src/views/access.ejs
+++ b/src/views/access.ejs
@@ -30,440 +30,1837 @@
 
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+  iframe { margin: auto; }
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+  #write { margin: 0px auto; height: auto; width: inherit; word-break: normal; overflow-wrap: break-word; position: relative; white-space: normal; overflow-x: visible; padding-top: 40px; }
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+  #write ol, #write ul { position: relative; }
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-<div  id='write'  class = 'is-node'><h1><a name="practicas-para-realizar-en-el-cluster-de-raspberry-pi" class="md-header-anchor"></a><span>Practicas en cluster Raspberry Pi</span></h1><h2><a name="1--enrutamiento-estatico-con-api-rest" class="md-header-anchor"></a><span>1- Enrutamiento estatico con API REST</span></h2><p><span>El objetivo de esta practica consiste en crear una topologia serial de 3 switches y 3 host, como se muestra en la siguiente imagen. Asi, solo se permite conectividad entre las redes de h1 - h2 y h3-h2, pero no h1-h3.</span></p><p><img src="img/toporouting.png" align="left" width="500" style="zoom:40%;" /></p><p>&nbsp;</p><p><span>Para esto, mediante la pagina web cree la topologia, inicie el controlador con la aplicacion </span><em><span>REST Router</span></em><span> , confirme que en el controlador se muestra que los switches fueron reconocidos y proceda a configurar las direcciones IP de los hosts. </span></p><h3><a name="configuracion-de-direcciones-ip-a-los-hosts-virtuales" class="md-header-anchor"></a><span>Configuracion de direcciones IP a los hosts virtuales</span><span>  </span></h3><p><span>Para configurar estas direcciones IP, utilice los comandos </span><code>h[x] ip addr del 10.0.0.[x]/8 dev h[x]-eth0</code><span> para eliminar la IP por defecto, siendo [x] el host deseado, y asimismo con el comando </span><code>ip addr add</code><span> configure las demas direcciones. Asi mismo, configure los gateway necesarios con el comando </span><code>ip route add default via [direccion_ip_gateway]</code><span>. </span></p><p><span>Entendemos que este proceso puede ser algo tedioso, por lo cual hemos creado un script, el cual se encuentra en la carpeta </span><em><span>scripts</span></em><span> de la Raspberry principal. Para ejecutarlo, simplemente ejecutelo con </span><code>./hostadress.sh</code><span>. </span></p><p><span>Compruebe mediante la web que se realizaron las configuraciones con el comando </span><code>h[x] ifconfig h[x]-eth0</code><span> </span></p><h3><a name="programar-el-controlador-para-que-los-switches-conozcan-las-redes" class="md-header-anchor"></a><span>Programar el controlador para que los switches conozcan las redes</span></h3><p><span>Par este paso, necesita hacer uso del API REST de la aplicacion de RYU. </span></p><p><span>Entendemos que esto puede ser un poco tedioso, por lo cual hemos creado un script que se encuentra en la carpeta </span><em><span>scripts</span></em><span> que realiza estas configuraciones de manera automatica, solo ejecutandolo con </span><code>./routerflows.sh</code><span>. Mas abajo se muestra un fragmento del script, para que se entienda que es lo que esta ocurriendo.</span></p><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="bash" style="break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="bash"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 4px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-meta">#!/bin/bash</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">: <span class="cm-string">'</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">Este script hace peticiones HTTP POST a la API REST del codigo que debe estar corriendo</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">en el controlador,llamado rest_router.py.</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">Written by: Felix Tejada &amp; Oscar Rodriguez</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-string">'</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"Setting address to the routers..."</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address":"172.16.10.1/24"}'</span> http://localhost:8080/router/0000000000000002</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address": "172.16.30.1/24"}'</span> http://localhost:8080/router/0000000000000002</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address": "192.168.10.1/24"}'</span> http://localhost:8080/router/0000000000000002</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address":"172.16.20.1/24"}'</span> http://localhost:8080/router/0000000000000001</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address": "172.16.30.30/24"}'</span> http://localhost:8080/router/0000000000000001</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address": "192.168.30.1/24"}'</span> http://localhost:8080/router/0000000000000003</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address": "192.168.10.20/24"}'</span> http://localhost:8080/router/0000000000000003</span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 650px;"></div><div class="CodeMirror-gutters" style="display: none; height: 650px;"></div></div></div></pre><p><span>Una vez ejecutado, mediante la pagina web, compruebe que cada switch tiene seteado sus flow entrys correctamente en el apartado </span><em><span>flow tables</span></em><span>. </span></p><p><span>Compruebe que existe conectividad entre h1 y h2 ejecutando el comando </span><code>h1 ping -c 4 h2</code><span>. Para ver el camino recorrido, ejecute </span><code>h1 traceroute h2</code><span>.</span></p><p><span>Si desea eliminar todos los flowentry de los switches, y simplemente dejarlos con su flow por defecto, en la pagina web presione el boton </span><em><span>Reset flows</span></em><span> del apartado </span><em><span>Flow Tables</span></em><span>.</span></p><h2><a name="2--creando-un-micro-web-server" class="md-header-anchor"></a><span>2- Creando un micro web server</span></h2><p><span>El objetivo de esta practica es la de comprobar conectividad entre dos host virtuales, por ejemplo h1 y h2.</span></p><h3><a name="preparando-archivos" class="md-header-anchor"></a><span>Preparando archivos</span></h3><p><span>Para poder hacer una pequna web que podamos navegar vamos a hacer lo siguiente:</span>
-<span>Necesitamos crear un archivo, el cual sera un script en bash con lo que deseamos ver en el cliente. Para crear esto en un host especifico, escribimos </span><code>h[x] echo &quot;[pegar texto de abajo]&quot; &gt; test.sh</code><span> , donde x es el id del host deseado.</span></p><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="bash" style="break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="bash"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 4px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><span><span>​</span>x</span></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-meta">#!/bin/bash</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="">​</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"************PRINT SOME TEXT***************\n"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"Hello World!!!"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"\n"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="">​</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"Resources:"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">vmstat <span class="cm-attribute">-S</span> M</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"\n"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="">​</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"Addresses:"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"</span><span class="cm-quote">$(ifconfig)</span><span class="cm-string">"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"\n"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="">​</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="">​</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"</span><span class="cm-quote">$(gpio readall)</span><span class="cm-string">"</span></span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 416px;"></div><div class="CodeMirror-gutters" style="display: none; height: 416px;"></div></div></div></pre><h3><a name="iniciando-el-servidor" class="md-header-anchor"></a><span>Iniciando el servidor</span></h3><p><span>En el host que funcionara como servidor corremos el comando  </span><code>h[x] while true; do { echo -e &#39;HTTP/1.1 200 OK\r\n&#39;; sh test.sh; } | nc -l 1234 -q 1; done &amp;</code><span>, donde x es el id del host deseado.</span></p><h3><a name="accediendo-al-servidor" class="md-header-anchor"></a><span>Accediendo al servidor</span></h3><p><span>En cualquier otro host que tenga conectividad con el server solo tienes que realizar </span><code>h[x] curl -X GET http://_ipdelserver_:124</code><span> , siendo x el id de cualquier host. Asi podras ver tu web servida</span>
-<span>En caso de acceder desde una consola se puede instalar el software w3m y con este navegador par aconsola acceder a la web.</span></p></div>
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+  .md-hover-tip .md-arrow:after {
+      background: #333;
+  }
+
+  .popover.bottom > .arrow:after {
+      border-bottom-color: #333;
+  }
+
+  html,
+  body,
+  button,
+  input,
+  select,
+  textarea {
+      font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
+  }
+
+  hr {
+      height: 2px;
+      border: 0;
+      margin: 24px 0 !important;
+  }
+
+  h1,
+  h2,
+  h3,
+  h4,
+  h5,
+  h6 {
+      font-family: "Lucida Grande", "Corbel", sans-serif;
+      font-weight: normal;
+      clear: both;
+      -ms-word-wrap: break-word;
+      word-wrap: break-word;
+      margin: 0;
+      padding: 0;
+      color: #DEDEDE
+  }
+
+  h1 {
+      font-size: 2.5rem;
+      /* 36px */
+      line-height: 2.75rem;
+      /* 40px */
+      margin-bottom: 1.5rem;
+      /* 24px */
+      letter-spacing: -1.5px;
+  }
+
+  h2 {
+      font-size: 1.63rem;
+      /* 24px */
+      line-height: 1.875rem;
+      /* 30px */
+      margin-bottom: 1.5rem;
+      /* 24px */
+      letter-spacing: -1px;
+      font-weight: bold;
+  }
+
+  h3 {
+      font-size: 1.17rem;
+      /* 18px */
+      line-height: 1.5rem;
+      /* 24px */
+      margin-bottom: 1.5rem;
+      /* 24px */
+      letter-spacing: -1px;
+      font-weight: bold;
+  }
+
+  h4 {
+      font-size: 1.12rem;
+      /* 16px */
+      line-height: 1.375rem;
+      /* 22px */
+      margin-bottom: 1.5rem;
+      /* 24px */
+      color: white;
+  }
+
+  h5 {
+      font-size: 0.97rem;
+      /* 16px */
+      line-height: 1.25rem;
+      /* 22px */
+      margin-bottom: 1.5rem;
+      /* 24px */
+      font-weight: bold;
+  }
+
+  h6 {
+      font-size: 0.93rem;
+      /* 16px */
+      line-height: 1rem;
+      /* 16px */
+      margin-bottom: 0.75rem;
+      color: white;
+  }
+
+  @media (min-width: 980px) {
+      h3.md-focus:before,
+      h4.md-focus:before,
+      h5.md-focus:before,
+      h6.md-focus:before {
+          color: #ddd;
+          border: 1px solid #ddd;
+          border-radius: 3px;
+          position: absolute;
+          left: -1.642857143rem;
+          top: .357142857rem;
+          float: left;
+          font-size: 9px;
+          padding-left: 2px;
+          padding-right: 2px;
+          vertical-align: bottom;
+          font-weight: normal;
+          line-height: normal;
+      }
+
+      h3.md-focus:before {
+          content: 'h3';
+      }
+
+      h4.md-focus:before {
+          content: 'h4';
+      }
+
+      h5.md-focus:before {
+          content: 'h5';
+          top: 0px;
+      }
+
+      h6.md-focus:before {
+          content: 'h6';
+          top: 0px;
+      }
+  }
+
+  a {
+      text-decoration: none;
+      outline: 0;
+  }
+
+  a:hover {
+      outline: 0;
+  }
+
+  a:focus {
+      outline: thin dotted;
+  }
+
+  sup.md-footnote {
+      background-color: #555;
+      color: #ddd;
+  }
+
+  p {
+      -ms-word-wrap: break-word;
+      word-wrap: break-word;
+  }
+
+  p,
+  ul,
+  dd,
+  ol,
+  hr,
+  address,
+  pre,
+  table,
+  iframe,
+  .wp-caption,
+  .wp-audio-shortcode,
+  .wp-video-shortcode {
+      margin-top: 0;
+      margin-bottom: 1.5rem;
+      /* 24px */
+  }
+
+  li > blockquote {
+       margin-bottom: 0;
+  }
+
+  audio:not([controls]) {
+      display: none;
+  }
+
+  [hidden] {
+      display: none;
+  }
+
+  ::-moz-selection {
+      background: #4a89dc;
+      color: #fff;
+      text-shadow: none;
+  }
+
+  *.in-text-selection,
+  ::selection {
+      background: #4a89dc;
+      color: #fff;
+      text-shadow: none;
+  }
+
+  ul,
+  ol {
+      padding: 0 0 0 1.875rem;
+      /* 30px */
+  }
+
+  ul {
+      list-style: square;
+  }
+
+  ol {
+      list-style: decimal;
+  }
+
+  ul ul,
+  ol ol,
+  ul ol,
+  ol ul {
+      margin: 0;
+  }
+
+  b,
+  th,
+  dt,
+  strong {
+      font-weight: bold;
+  }
+
+  i,
+  em,
+  dfn,
+  cite {
+      font-style: italic;
+  }
+
+  blockquote {
+      padding-left: 1.875rem;
+      margin: 0 0 1.875rem 1.875rem;
+      border-left: solid 2px #474d54;
+      padding-left: 30px;
+      margin-top: 35px;
+  }
+
+  pre,
+  code,
+  kbd,
+  tt,
+  var {
+      background: rgba(0, 0, 0, 0.05);
+      font-size: 0.875rem;
+      font-family: Monaco, Consolas, "Andale Mono", "DejaVu Sans Mono", monospace;
+  }
+
+  kbd {
+      padding: 2px 4px;
+      font-size: 90%;
+      color: #fff;
+      background-color: #333;
+      border-radius: 3px;
+      box-shadow: inset 0 -1px 0 rgba(0,0,0,.25);
+  }
+
+  pre.md-fences {
+      padding: 10px 10px 10px 30px;
+      margin-bottom: 20px;
+      background: #333;
+  }
+
+  .CodeMirror-gutters {
+      background: #333;
+      border-right: 1px solid transparent;
+  }
+
+  .enable-diagrams pre.md-fences[lang="sequence"] .code-tooltip,
+  .enable-diagrams pre.md-fences[lang="flow"] .code-tooltip,
+  .enable-diagrams pre.md-fences[lang="mermaid"] .code-tooltip {
+      bottom: -2.2em;
+      right: 4px;
+  }
+
+  code,
+  kbd,
+  tt,
+  var {
+      padding: 2px 5px;
+  }
+
+  table {
+      max-width: 100%;
+      width: 100%;
+      border-collapse: collapse;
+      border-spacing: 0;
+  }
+
+  th,
+  td {
+      padding: 5px 10px;
+      vertical-align: top;
+  }
+
+  a {
+      -webkit-transition: all .2s ease-in-out;
+      transition: all .2s ease-in-out;
+  }
+
+  hr {
+      background: #474d54;
+      /* variable */
+  }
+
+  h1 {
+      margin-top: 2em;
+  }
+
+  a {
+      color: #e0e0e0;
+      text-decoration: underline;
+  }
+
+  a:hover {
+      color: #fff;
+  }
+
+  .md-inline-math script {
+      color: #81b1db;
+  }
+
+  b,
+  th,
+  dt,
+  strong {
+      color: #DEDEDE;
+      /* variable */
+  }
+
+  mark {
+      background: #D3D40E;
+  }
+
+  blockquote {
+      color: #9DA2A6;
+  }
+
+  table a {
+      color: #DEDEDE;
+      /* variable */
+  }
+
+  th,
+  td {
+      border: solid 1px #474d54;
+      /* variable */
+  }
+
+  .task-list {
+      padding-left: 0;
+  }
+
+  .md-task-list-item {
+      padding-left: 1.25rem;
+  }
+
+  .md-task-list-item > input {
+      top: auto;
+  }
+
+  .md-task-list-item > input:before {
+      content: "";
+      display: inline-block;
+      width: 0.875rem;
+      height: 0.875rem;
+      vertical-align: middle;
+      text-align: center;
+      border: 1px solid #b8bfc6;
+      background-color: #363B40;
+      margin-top: -0.4rem;
+  }
+
+  .md-task-list-item > input:checked:before,
+  .md-task-list-item > input[checked]:before {
+      content: '\221A';
+      /*◘*/
+      font-size: 0.625rem;
+      line-height: 0.625rem;
+      color: #DEDEDE;
+  }
+
+  /** quick open **/
+  .auto-suggest-container {
+      border: 0px;
+      background-color: #525C65;
+  }
+
+  #typora-quick-open {
+      background-color: #525C65;
+  }
+
+  #typora-quick-open input{
+      background-color: #525C65;
+      border: 0;
+      border-bottom: 1px solid grey;
+  }
+
+  .typora-quick-open-item {
+      background-color: inherit;
+      color: inherit;
+  }
+
+  .typora-quick-open-item.active,
+  .typora-quick-open-item:hover {
+      background-color: #4D8BDB;
+      color: white;
+  }
+
+  .typora-quick-open-item:hover {
+      background-color: rgba(77, 139, 219, 0.8);
+  }
+
+  .typora-search-spinner > div {
+    background-color: #fff;
+  }
+
+  #write pre.md-meta-block {
+      border-bottom: 1px dashed #ccc;
+      background: transparent;
+      padding-bottom: 0.6em;
+      line-height: 1.6em;
+  }
+
+  .btn,
+  .btn .btn-default {
+      background: transparent;
+      color: #b8bfc6;
+  }
+
+  .ty-table-edit {
+      border-top: 1px solid gray;
+      background-color: #363B40;
+  }
+
+  .popover-title {
+      background: transparent;
+  }
+
+  .md-image>.md-meta {
+      color: #BBBBBB;
+      background: transparent;
+  }
+
+  .md-expand.md-image>.md-meta {
+      color: #DDD;
+  }
+
+  #write>h3:before,
+  #write>h4:before,
+  #write>h5:before,
+  #write>h6:before {
+      border: none;
+      border-radius: 0px;
+      color: #888;
+      text-decoration: underline;
+      left: -1.4rem;
+      top: 0.2rem;
+  }
+
+  #write>h3.md-focus:before {
+      top: 2px;
+  }
+
+  #write>h4.md-focus:before {
+      top: 2px;
+  }
+
+  .md-toc-item {
+      color: #A8C2DC;
+  }
+
+  #write div.md-toc-tooltip {
+      background-color: #363B40;
+  }
+
+  .dropdown-menu .btn:hover,
+  .dropdown-menu .btn:focus,
+  .md-toc .btn:hover,
+  .md-toc .btn:focus {
+      color: white;
+      background: black;
+  }
+
+  #toc-dropmenu {
+      background: rgba(50, 54, 59, 0.93);
+      border: 1px solid rgba(253, 253, 253, 0.15);
+  }
+
+  #toc-dropmenu .divider {
+      background-color: #9b9b9b;
+  }
+
+  .outline-expander:before {
+      top: 2px;
+  }
+
+  #typora-sidebar {
+      box-shadow: none;
+      border-right: 1px dashed;
+      border-right: none;
+  }
+
+  .sidebar-tabs {
+      border-bottom:0;
+  }
+
+  #typora-sidebar:hover .outline-title-wrapper {
+      border-left: 1px dashed;
+  }
+
+  .outline-title-wrapper .btn {
+      color: inherit;
+  }
+
+  .outline-item:hover {
+      border-color: #363B40;
+      background-color: #363B40;
+      color: white;
+  }
+
+  h1.md-focus .md-attr,
+  h2.md-focus .md-attr,
+  h3.md-focus .md-attr,
+  h4.md-focus .md-attr,
+  h5.md-focus .md-attr,
+  h6.md-focus .md-attr,
+  .md-header-span .md-attr {
+      color: #8C8E92;
+      display: inline;
+  }
+
+  .md-comment {
+      color: #5a95e3;
+      opacity: 1;
+  }
+
+  .md-inline-math svg {
+      color: #b8bfc6;
+  }
+
+  #math-inline-preview .md-arrow:after {
+      background: black;
+  }
+
+  .modal-content {
+      background: var(--bg-color);
+      border: 0;
+  }
+
+  .modal-title {
+      font-size: 1.5em;
+  }
+
+  .modal-content input {
+      background-color: rgba(26, 21, 21, 0.51);
+      color: white;
+  }
+
+  .modal-content .input-group-addon {
+      color: white;
+  }
+
+  .modal-backdrop {
+      background-color: rgba(174, 174, 174, 0.7);
+  }
+
+  .modal-content .btn-primary {
+      border-color: var(--primary-color);
+  }
+
+  .md-table-resize-popover {
+      background-color: #333;
+  }
+
+  .form-inline .input-group .input-group-addon {
+      color: white;
+  }
+
+  #md-searchpanel {
+      border-bottom: 1px dashed grey;
+  }
+
+  /** UI for electron */
+
+  .context-menu,
+  #spell-check-panel,
+  #footer-word-count-info {
+      background-color: #42464A;
+  }
+
+  .context-menu.dropdown-menu .divider,
+  .dropdown-menu .divider {
+      background-color: #777777;
+  }
+
+  footer {
+      color: inherit;
+  }
+
+  @media (max-width: 1000px) {
+      footer {
+          border-top: none;
+      }
+      footer:hover {
+          color: inherit;
+      }
+  }
+
+  #file-info-file-path .file-info-field-value:hover {
+      background-color: #555;
+      color: #dedede;
+  }
+
+  .megamenu-content,
+  .megamenu-opened header {
+      background: var(--bg-color);
+  }
+
+  .megamenu-menu-panel h2,
+  .megamenu-menu-panel h1,
+  .long-btn {
+      color: inherit;
+  }
+
+  .megamenu-menu-panel input[type='text'] {
+      background: inherit;
+      border: 0;
+      border-bottom: 1px solid;
+  }
+
+  #recent-file-panel-action-btn {
+      background: inherit;
+      border: 1px grey solid;
+  }
+
+  .megamenu-menu-panel .dropdown-menu > li > a {
+      color: inherit;
+      background-color: #2F353A;
+      text-decoration: none;
+  }
+
+  .megamenu-menu-panel table td:nth-child(1) {
+      color: inherit;
+      font-weight: bold;
+  }
+
+  .megamenu-menu-panel tbody tr:hover td:nth-child(1) {
+      color: white;
+  }
+
+  .modal-footer .btn-default,
+  .modal-footer .btn-primary,
+  .modal-footer .btn-default:not(:hover) {
+      border: 1px solid;
+      border-color: transparent;
+  }
+
+  .btn-default:hover, .btn-default:focus, .btn-default.focus, .btn-default:active, .btn-default.active, .open > .dropdown-toggle.btn-default {
+      color: white;
+      border: 1px solid #ddd;
+      background-color: inherit;
+  }
+
+  .modal-header {
+      border-bottom: 0;
+  }
+
+  .modal-footer {
+      border-top: 0;
+  }
+
+  #recent-file-panel tbody tr:nth-child(2n-1) {
+      background-color: transparent !important;
+  }
+
+  .megamenu-menu-panel tbody tr:hover td:nth-child(2) {
+      color: inherit;
+  }
+
+  .megamenu-menu-panel .btn {
+      border: 1px solid #eee;
+      background: transparent;
+  }
+
+  .mouse-hover .toolbar-icon.btn:hover,
+  #w-full.mouse-hover,
+  #w-pin.mouse-hover {
+      background-color: inherit;
+  }
+
+  .typora-node::-webkit-scrollbar {
+      width: 5px;
+  }
+
+  .typora-node::-webkit-scrollbar-thumb:vertical {
+      background: rgba(250, 250, 250, 0.3);
+  }
+
+  .typora-node::-webkit-scrollbar-thumb:vertical:active {
+      background: rgba(250, 250, 250, 0.5);
+  }
+
+  #w-unpin {
+      background-color: #4182c4;
+  }
+
+  #top-titlebar, #top-titlebar * {
+      color: var(--item-hover-text-color);
+  }
+
+  .typora-sourceview-on #toggle-sourceview-btn,
+  #footer-word-count:hover,
+  .ty-show-word-count #footer-word-count {
+      background: #333333;
+  }
+
+  #toggle-sourceview-btn:hover {
+      color: #eee;
+      background: #333333;
+  }
+
+  /** focus mode */
+  .on-focus-mode .md-end-block:not(.md-focus):not(.md-focus-container) * {
+      color: #686868 !important;
+  }
+
+  .on-focus-mode .md-end-block:not(.md-focus) img,
+  .on-focus-mode .md-task-list-item:not(.md-focus-container)>input {
+      opacity: #686868 !important;
+  }
+
+  .on-focus-mode li[cid]:not(.md-focus-container){
+      color: #686868;
+  }
+
+  .on-focus-mode .md-fences.md-focus .CodeMirror-code>*:not(.CodeMirror-activeline) *,
+  .on-focus-mode .CodeMirror.cm-s-inner:not(.CodeMirror-focused) * {
+      color: #686868 !important;
+  }
+
+  .on-focus-mode .md-focus,
+  .on-focus-mode .md-focus-container {
+      color: #fff;
+  }
+
+  .on-focus-mode #typora-source .CodeMirror-code>*:not(.CodeMirror-activeline) * {
+      color: #686868 !important;
+  }
+
+
+  /*diagrams*/
+  #write .md-focus .md-diagram-panel {
+      border: 1px solid #ddd;
+      margin-left: -1px;
+      width: calc(100% + 2px);
+  }
+
+  /*diagrams*/
+  #write .md-focus.md-fences-with-lineno .md-diagram-panel {
+      margin-left: auto;
+  }
+
+  .md-diagram-panel-error {
+      color: #f1908e;
+  }
+
+  .active-tab-files #info-panel-tab-file,
+  .active-tab-files #info-panel-tab-file:hover,
+  .active-tab-outline #info-panel-tab-outline,
+  .active-tab-outline #info-panel-tab-outline:hover {
+      color: #eee;
+  }
+
+  .sidebar-footer-item:hover,
+  .footer-item:hover {
+      background: inherit;
+      color: white;
+  }
+
+  .ty-side-sort-btn.active,
+  .ty-side-sort-btn:hover,
+  .selected-folder-menu-item a:after {
+      color: white;
+  }
+
+  #sidebar-files-menu {
+      border:solid 1px;
+      box-shadow: 4px 4px 20px rgba(0, 0, 0, 0.79);
+      background-color: var(--bg-color);
+  }
+
+  .file-list-item {
+      border-bottom:none;
+  }
+
+  .file-list-item-summary {
+      opacity: 1;
+  }
+
+  .file-list-item.active:first-child {
+      border-top: none;
+  }
+
+  .file-node-background {
+      height: 32px;
+  }
+
+  .file-library-node.active>.file-node-content,
+  .file-list-item.active {
+      color: white;
+      color: var(--active-file-text-color);
+  }
+
+  .file-library-node.active>.file-node-background{
+      background-color: rgb(34, 34, 34);
+      background-color: var(--active-file-bg-color);
+  }
+  .file-list-item.active {
+      background-color: rgb(34, 34, 34);
+      background-color: var(--active-file-bg-color);
+  }
+
+  #ty-tooltip {
+      background-color: black;
+      color: #eee;
+  }
+
+  .md-task-list-item>input {
+      margin-left: -1.3em;
+      margin-top: 0.3rem;
+      -webkit-appearance: none;
+  }
+
+  .md-mathjax-midline {
+      background-color: #57616b;
+      border-bottom: none;
+  }
+
+  footer.ty-footer {
+      border-color: #656565;
+  }
+
+  .ty-preferences .btn-default {
+      background: transparent;
+  }
+  .ty-preferences .btn-default:hover {
+      background: #57616b;
+  }
+
+  .ty-preferences select {
+      border: 1px solid #989698;
+      height: 21px;
+  }
+
+  .ty-preferences .nav-group-item.active {
+      background: var(--item-hover-bg-color);
+  }
+
+  .ty-preferences input[type="search"] {
+      border-color: #333;
+      background: #333;
+      line-height: 22px;
+      border-radius: 6px;
+      color: white;
+  }
+
+  .ty-preferences input[type="search"]:focus {
+      box-shadow: none;
+  }
+
+  [data-is-directory="true"] .file-node-content {
+      margin-bottom: 0;
+  }
+
+  .file-node-title {
+      line-height: 22px;
+  }
+
+  .html-for-mac .file-node-open-state, .html-for-mac .file-node-icon {
+      line-height: 26px;
+  }
+
+  ::-webkit-scrollbar-thumb {
+      background: rgba(230, 230, 230, 0.30);
+  }
+
+  ::-webkit-scrollbar-thumb:active {
+      background: rgba(230, 230, 230, 0.50);
+  }
+
+  #typora-sidebar:hover div.sidebar-content-content::-webkit-scrollbar-thumb:horizontal {
+      background: rgba(230, 230, 230, 0.30);
+  }
+
+  .nav-group-item:active {
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+  <div  id='write'  class = 'is-node'><h1><a name="practicas-para-realizar-en-el-cluster-de-raspberry-pi" class="md-header-anchor"></a><span>Practicas para realizar en el cluster de Raspberry Pi</span></h1><h2><a name="1--basic-trafic-engineering" class="md-header-anchor"></a><span>1- Basic Trafic Engineering</span></h2><blockquote><p><span>El objetivo de esta practica es entender el concepto de las redes definidas por software y sus ventajas, asi como mostrar como el controlador SDN puede decirle a los OVS que se comporten de una manera u otra, enviando el trafico deseado de un sitio a otro.</span></p></blockquote><h4><a name="-creacion-de-topologia" class="md-header-anchor"></a><span>-Creacion de topologia</span></h4><p><span>     </span><span>Para empezar, vamos a crear una topologia de 3 switches y 3 hosts, conectados como se muestra en la siguiente figura. Posteriormente vamos a iniciar el controlador con la aplicacion </span><em><span>Switching</span></em><span>.</span></p><p><img src="img/toposwitch.png" align="left" style="zoom:40%;" width="500" /></p><p>&nbsp;</p><p><span>     </span><span>Observe y asegurese que los flowtable de los switches estan por defecto. Una vez visto esto, el objetivo es simplemente obtener conectividad entre h1 y h2, modificando estos flow entry mediante una API REST haciendo peticiones al controlador SDN. </span></p><h4><a name="--configuracion-de-los-ovs-mediante-peticiones-al-controlador-sdn" class="md-header-anchor"></a><span>- Configuracion de los OVS mediante peticiones al controlador SDN</span></h4><p><span>        </span><span>Para esto, nos dirijimos a la consola de la Raspberry principal (rpi1) y en la carpeta scripts ejecutamos el codigo </span><em><span>basicflow.sh</span></em><span>, el cual se tiene una muestra mas abajo, y no es mas que realizar POST al controlador con los parametros que deseamos configurar. En esta peticion se envia el DPID del switch deseado, y los respectivos campos de OpenFlow, tales como el match y los actions. </span></p><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="bash" style="break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="bash"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 4px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><span><span>​</span>x</span></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-meta">#!/bin/bash</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">: <span class="cm-string">'</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">Written by: Felix G. Tejada</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="">​</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">This script is applied to a linear <span class="cm-number">3</span> topo, just <span class="cm-keyword">for</span> show the example of basic TE.</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-string">'</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> DELETE http://localhost:8080/stats/flowentry/clear/1</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"adding new flows entry to switches 1 and 2"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-string">"dpid"</span>: <span class="cm-number">1</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-string">"cookie"</span>: <span class="cm-number">0</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-string">"cookie_mask"</span>: <span class="cm-number">0</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-string">"table_id"</span>: <span class="cm-number">0</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-string">"idle_timeout"</span>: <span class="cm-number">0</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-string">"hard_timeout"</span>: <span class="cm-number">0</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-string">"priority"</span>: <span class="cm-number">100</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-string">"flags"</span>: <span class="cm-number">0</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-string">"match"</span>:{</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp; &nbsp; &nbsp;<span class="cm-string">"in_port"</span>:1</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp;  },</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-string">"actions"</span>:[</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp; &nbsp;  {</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="cm-string">"type"</span>:<span class="cm-string">"OUTPUT"</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="cm-string">"port"</span>: <span class="cm-number">2</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp; &nbsp;  }</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp;  ]</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> }<span class="cm-string">' http://localhost:8080/stats/flowentry/add</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="">​</span></span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 728px;"></div><div class="CodeMirror-gutters" style="display: none; height: 728px;"></div></div></div></pre><p><span>     </span><span>Notese que la idea es limpiar todo lo que tenga el switch en ese momento, y decirle basicamente &quot;Todo el trafico recivido por el puerto 1 sacalo por el puerto 2&quot;. Siguiendo esta logica, se crea un camino por el cual fluye el trafico, en nuestro ejemplo, conectividad entre h1 y h2.</span></p><p><span>    </span><span>Una vez ejecutado, compruebe que se actualizaron los flows de los switches 1 y 2, ademas de que existe conectividad entre h1 y h2 haciendo ping. </span></p><p><span>      </span><span>Compruebe que no existe conectividad entre h1 y h3, debido a que no existe ninguna ruta especificada.</span></p><h2><a name="2--enrutamiento-estatico-con-api-rest" class="md-header-anchor"></a><span>2- Enrutamiento estatico con API REST</span></h2><blockquote><p><span>El objetivo de esta practica consiste en crear una topologia serial de 3 switches y 3 host, como se muestra en la siguiente imagen. Asi, solo se debe tener conectividad entre todas las redes de h1,h2 y h3.</span></p></blockquote><p><img src="img/toporouting.png" align="left" style="zoom:40%;" width="500" /></p><p><span>     </span><span>Para esto, mediante la pagina web cree la topologia, inicie el controlador con la aplicacion </span><em><span>REST Router</span></em><span> , confirme que en el controlador se muestra que los switches fueron reconocidos y proceda a configurar las direcciones IP de los hosts. </span></p><h4><a name="-configuracion-de-direcciones-ip-a-los-hosts-virtuales" class="md-header-anchor"></a><span>-Configuracion de direcciones IP a los hosts virtuales</span></h4><p><span> </span><span>Para configurar estas direcciones IP, utilice los comandos </span><code>h[x] ip addr del 10.0.0.[x]/8 dev h[x]-eth0</code><span> para eliminar la IP por defecto, siendo [x] el host deseado, y asimismo con el comando </span><code>ip addr add</code><span> configure las demas direcciones. Asi mismo, configure los gateway necesarios con el comando </span><code>ip route add default via [direccion_ip_gateway]</code><span>. </span></p><p><span>  </span><span>Entendemos que este proceso puede ser algo tedioso, por lo cual hemos creado un script, el cual se encuentra en la carpeta </span><em><span>scripts</span></em><span> de la Raspberry principal. Para ejecutarlo, simplemente ejecutelo con </span><code>./hostadress.sh</code><span>. </span></p><p><span>        </span><span>Compruebe mediante la web que se realizaron las configuraciones con el comando </span><code>h[x] ifconfig h[x]-eth0</code><span> </span></p><h4><a name="-programar-el-controlador-para-que-los-switches-conozcan-las-redes" class="md-header-anchor"></a><span>-Programar el controlador para que los switches conozcan las redes</span></h4><p><span>    </span><span>Par este paso, necesita hacer uso del API REST de la aplicacion de RYU. </span></p><p><span>       </span><span>Entendemos que esto puede ser un poco tedioso, por lo cual hemos creado un script que se encuentra en la carpeta </span><em><span>scripts</span></em><span> que realiza estas configuraciones de manera automatica, solo ejecutandolo con </span><code>./routerflows.sh</code><span>. Mas abajo se muestra un fragmento del script, para que se entienda que es lo que esta ocurriendo.</span></p><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="bash" style="break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="bash"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 4px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-meta">#!/bin/bash</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">: <span class="cm-string">'</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">Este script hace peticiones HTTP POST a la API REST del codigo que debe estar corriendo</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">en el controlador,llamado rest_router.py.</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">Written by: Felix Tejada &amp; Oscar Rodriguez</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-string">'</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"Setting address to the routers..."</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address":"172.16.10.1/24"}'</span> http://localhost:8080/router/0000000000000002</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address": "172.16.30.1/24"}'</span> http://localhost:8080/router/0000000000000002</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address": "192.168.10.1/24"}'</span> http://localhost:8080/router/0000000000000002</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address":"172.16.20.1/24"}'</span> http://localhost:8080/router/0000000000000001</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address": "172.16.30.30/24"}'</span> http://localhost:8080/router/0000000000000001</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address": "192.168.30.1/24"}'</span> http://localhost:8080/router/0000000000000003</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">curl</span> <span class="cm-attribute">-X</span> POST <span class="cm-attribute">-d</span> <span class="cm-string">'{"address": "192.168.10.20/24"}'</span> http://localhost:8080/router/0000000000000003</span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 650px;"></div><div class="CodeMirror-gutters" style="display: none; height: 650px;"></div></div></div></pre><p><span> </span><span>Una vez ejecutado, mediante la pagina web, compruebe que cada switch tiene seteado sus flow entrys correctamente en el apartado </span><em><span>flow tables</span></em><span>. </span></p><p><span>       </span><span>Compruebe que existe conectividad entre h1 y h2 ejecutando el comando </span><code>h1 ping -c 4 h2</code><span>. Para ver el camino recorrido, ejecute </span><code>h1 traceroute h2</code><span>.</span></p><p><span>     </span><span>Si desea eliminar todos los flowentry de los switches, y simplemente dejarlos con su flow por defecto, en la pagina web presione el boton </span><em><span>Reset flows</span></em><span> del apartado </span><em><span>Flow Tables</span></em><span>.</span></p><h2><a name="3--creando-un-micro-web-server" class="md-header-anchor"></a><span>3- Creando un micro web server</span></h2><blockquote><p><span>El objetivo de esta practica es la de comprobar conectividad entre dos host virtuales, por ejemplo h1 y h2, ejecutando un servicio web.</span></p></blockquote><h3><a name="preparando-archivos" class="md-header-anchor"></a><span>Preparando archivos</span></h3><p><span>Para poder hacer una pequna web que podamos navegar vamos a hacer lo siguiente:</span>
+  <span>Necesitamos crear un archivo, el cual sera un script en bash con lo que deseamos ver en el cliente. Para crear esto en un host especifico, escribimos </span><code>h[x] echo &quot;[pegar texto de abajo]&quot; &gt; test.sh</code><span> , donde x es el id del host deseado.</span></p><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="bash" style="break-inside: unset;"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="bash"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 4px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-meta">#!/bin/bash</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="">​</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"************PRINT SOME TEXT***************\n"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"Hello World!!!"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"\n"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="">​</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"Resources:"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">vmstat <span class="cm-attribute">-S</span> M</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"\n"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="">​</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"Addresses:"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"</span><span class="cm-quote">$(ifconfig)</span><span class="cm-string">"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"\n"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="">​</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span cm-text="">​</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-builtin">echo</span> <span class="cm-string">"</span><span class="cm-quote">$(gpio readall)</span><span class="cm-string">"</span></span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 416px;"></div><div class="CodeMirror-gutters" style="display: none; height: 416px;"></div></div></div></pre><h3><a name="iniciando-el-servidor" class="md-header-anchor"></a><span>Iniciando el servidor</span></h3><p><span>En el host que funcionara como servidor corremos el comando  </span><code>h[x] while true; do { echo -e &#39;HTTP/1.1 200 OK\r\n&#39;; sh test.sh; } | nc -l 1234 -q 1; done &amp;</code><span>, donde x es el id del host deseado.</span></p><h3><a name="accediendo-al-servidor" class="md-header-anchor"></a><span>Accediendo al servidor</span></h3><p><span>En cualquier otro host que tenga conectividad con el server solo tienes que realizar </span><code>h[x] curl -X GET http://_ipdelserver_:124</code><span> , siendo x el id de cualquier host. Asi podras ver tu web servida</span>
+  <span>En caso de acceder desde una consola se puede instalar el software w3m y con este navegador par aconsola acceder a la web.</span></p></div>
+  </body>
 </div>
 
 

diff --git a/src/views/index.ejs b/src/views/index.ejs
index d1365c30134fdf879c20878d04990807f3c62055..c592c86c219d8552ece33ced43a2ba733877137b 100644 (file)
--- a/src/views/index.ejs
+++ b/src/views/index.ejs
@@ -182,7 +182,7 @@
         //clearInterval(intervalController);
 
       }
-      setInterval(showtemp,15000);
+      setInterval(showtemp,10000);
       </script>
     </div>
 

diff --git a/src/views/starter.ejs b/src/views/starter.ejs
index e7ac311ff1f1a467602883b06aecb6aa0d8b40b4..b80c839a6a9bf11fb4465d299759accdb9491c3d 100644 (file)
--- a/src/views/starter.ejs
+++ b/src/views/starter.ejs
@@ -60,7 +60,7 @@
     <div class="side">
 
       <div class="panel">
-        <textarea class="text" style="font-size: 12px;" disabled rows="20" cols="7" id="controllerout" placeholder="Salida del controlador"></textarea>
+        <textarea class="text" style="font-size: 12px;" disabled rows="20" cols="7" id="controllerout" placeholder="Salida del controlador SDN"></textarea>
       </div>
       <div class="panel">
         <textarea class="text" style="font-size: 12px;" disabled rows="16" cols="7" id="raspberrys" placeholder="Raspberry Pi UP!"></textarea>