<div dir="ltr">Dears,<br><br>I am writing you this email to look for your help in order to fix a problem, I am facing since a while, related to creating two ubuntu instances in Openstack (<span id="gmail-DWT456" class="gmail-ZmSearchResult" style="background-color:rgb(255,254,196);color:rgb(0,0,0);font-family:"Segoe UI","Lucida Sans",sans-serif;font-size:14.16px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration-style:initial;text-decoration-color:initial">Fuel</span><span style="color:rgb(0,0,0);font-family:"Segoe UI","Lucida Sans",sans-serif;font-size:14.16px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;display:inline;float:none"><span> </span>9.2 for Mitaka</span>) and setting an ovs bridge in each VM. <br><span class="gmail-im">Here is the problem description: <br></span>I have defined two instances called VM1 and VM2 and ovs bridge, each one of them is deployed in one Virtual Machine (VM) based on this simple topology: <br><b>VM1</b> <span class="gmail-m_-4206992355513437791gmail-m_8460515574041517579gmail-strikethrough gmail-m_-4206992355513437791gmail-m_8460515574041517579gmail-style-scope gmail-m_-4206992355513437791gmail-m_8460515574041517579gmail-yt-formatted-string">---LAN1----</span><span class="gmail-m_-4206992355513437791gmail-m_8460515574041517579gmail-strikethrough gmail-m_-4206992355513437791gmail-m_8460515574041517579gmail-style-scope gmail-m_-4206992355513437791gmail-m_8460515574041517579gmail-yt-formatted-string"><b>OVS</b>---</span><span class="gmail-m_-4206992355513437791gmail-m_8460515574041517579gmail-strikethrough gmail-m_-4206992355513437791gmail-m_8460515574041517579gmail-style-scope gmail-m_-4206992355513437791gmail-m_8460515574041517579gmail-yt-formatted-string">LAN2</span><span class="gmail-m_-4206992355513437791gmail-m_8460515574041517579gmail-strikethrough gmail-m_-4206992355513437791gmail-m_8460515574041517579gmail-style-scope gmail-m_-4206992355513437791gmail-m_8460515574041517579gmail-yt-formatted-string">---</span> <b>VM2</b><br><br>I used the following commands, taken from some tutorial, for OVS:<div class="gmail-yj6qo gmail-ajU"><div id="gmail-:15q" class="gmail-ajR" tabindex="0"><img class="gmail-ajT" src="https://ssl.gstatic.com/ui/v1/icons/mail/images/cleardot.gif"></div></div><div class="gmail-adL"><br><span class="gmail-im">ovs-vsctl add-br mybridge1 <br>ifconfig mybridge1 up <br>ovs-vsctl add-port eth1 mybridge1 <br></span><span class="gmail-im">ifconfig eth1 0 <br>ovs-vsctl add-port eth1 mybridge1 ovs-vsctl set-controller mybridge tcp:AddressOfController:6633 <br><br>Then I tried to make the ping between the two VMs but it fails ! <br>Could you please tell/guide me how to fix this problem. <br><br>Thanks in advance. <br>Best regards.</span></div></div>