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<h2 class="post-title" itemprop="name headline">OpenVSwitch - Basic Install
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<h2 id="Environment"><a href="#Environment" class="headerlink" title="Environment"></a>Environment</h2><ul>
<li>System: Ubuntu 12.04 TLS</li>
<li>OpenVSwtich : v.20 <a href="http://openvswitch.org/download/" title="openvswitch " target="_blank" rel="noopener">openvswitch</a></li>
<li>Controller: Floodlight controller</li>
</ul>
<a id="more"></a>
<p>#<strong>Install</strong>#</p>
<h2 id="OpenVSwitch"><a href="#OpenVSwitch" class="headerlink" title="OpenVSwitch"></a>OpenVSwitch</h2><p>按照文件中的INSTALL 即可安裝完成，</p>
<ul>
<li>./configure (如果要安裝kernel module的話，<code>./configure --with-linux=/lib/modules/</code>uname -r<code>/build</code> 來建置)</li>
<li>make</li>
<li>make modules_install </li>
<li>/sbin/modprobe openvswitch</li>
<li>用 <code>lsmod | grep openvswitch</code> 檢查kernel module 是否載入</li>
<li>mkdir -p /usr/local/etc/openvswitch</li>
<li>ovsdb-tool create /usr/local/etc/openvswitch/conf.db vswitchd/vswitch.ovsschema (創造ovs-db)</li>
<li><p>ovsdb-server –remote=punix:/usr/local/var/run/openvswitch/db.sock \ </p>
<pre><code>--remote=db:Open_vSwitch,Open_vSwitch,manager_options \
--private-key=db:Open_vSwitch,SSL,private_key \
--certificate=db:Open_vSwitch,SSL,certificate \
--bootstrap-ca-cert=db:Open_vSwitch,SSL,ca_cert \
--pidfile --detach
</code></pre></li>
<li><p>ovs-vsctl –no-wait init</p>
</li>
<li>ovs-vswitchd –pidfile –detach</li>
</ul>
<h2 id="Network-Environment"><a href="#Network-Environment" class="headerlink" title="Network Environment"></a>Network Environment</h2><ul>
<li>主機板網路孔*1 + 4 port 網卡</li>
<li>eth0 藉由internet與controller連接 (out-bound)</li>
<li>用ovs 創造一個虛擬的interface br0,把eth1, eth2, eth3, eth4加入 (in-bound)</li>
<li>eth1 & eth4 分別連上兩台host </li>
<li>host1: 192.168.122.100</li>
<li>host2: 192.168.122.101 </li>
</ul>
<p><img src="http://user-image.logdown.io/user/415/blog/415/post/164871/pLwj6W3SR4ypbWvDvAra_%E5%9C%96%E7%89%871.png" alt="圖片1.png"></p>
<h2 id="Operation"><a href="#Operation" class="headerlink" title="Operation"></a>Operation</h2><ul>
<li>ovs-vsctl add-br br0</li>
<li>ovs-vsctl add-port br0 eth1</li>
<li>ovs-vsctl add-port br0 eth2</li>
<li>ovs-vsctl add-port br0 eth3</li>
<li>ovs-vsctl add-port br0 eth4</li>
<li>ovs-vsctl set-controller br0 tcp:x.x.x.x:6633</li>
</ul>
<h2 id="Controller-side"><a href="#Controller-side" class="headerlink" title="Controller side"></a>Controller side</h2><ul>
<li>Switch 00:00:90:e2:ba:49:58:84 connected.</li>
<li>Watch x.x.x.x:8080/ui/index.html to see switch</li>
</ul>
<h2 id="Ovs-side"><a href="#Ovs-side" class="headerlink" title="Ovs side"></a>Ovs side</h2><ul>
<li>ovs-vsctl show<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br></pre></td><td class="code"><pre><span class="line">Bridge "br0"</span><br><span class="line"> Controller "tcp:127.0.0.1:6633"</span><br><span class="line"> is_connected: true</span><br><span class="line"> Port "eth2"</span><br><span class="line"> Interface "eth2"</span><br><span class="line"> Port "eth4"</span><br><span class="line"> Interface "eth4"</span><br><span class="line"> Port "br0"</span><br><span class="line"> Interface "br0"</span><br><span class="line"> type: internal</span><br><span class="line"> Port "eth3"</span><br><span class="line"> Interface "eth3"</span><br><span class="line"> Port "eth1"</span><br><span class="line"> Interface "eth1"</span><br></pre></td></tr></table></figure>
</li>
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