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<div class="WordSection1">
<p class="MsoNormal"><span style="color:#1F497D">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I have a multi node grizzly setup using the following guide:<o:p></o:p></span></p>
<p class="MsoNormal"><a href="https://github.com/mseknibilel/OpenStack-Grizzly-Install-Guide/blob/OVS_MultiNode/OpenStack_Grizzly_Install_Guide.rst">https://github.com/mseknibilel/OpenStack-Grizzly-Install-Guide/blob/OVS_MultiNode/OpenStack_Grizzly_Install_Guide.rst</a><br>
<br>
<span style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">My network topology is as attached and is using GRE tunel based VLAN.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I have VMs spawning on compute for cirros images.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">However, inter-VM ping works (e.g. 50.50.1.4 can ping 50.50.1.5), but the following
</span><span style="color:red">DON’T work</span><span style="color:#1F497D">:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo3"><![if !supportLists]><span style="color:red"><span style="mso-list:Ignore">a)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="color:red">VM cannot ping 50.50.1.1<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo3"><![if !supportLists]><span style="color:red"><span style="mso-list:Ignore">b)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="color:red">VM cannot ping Compute ETH1 (data n/w) , 10.20.20.53<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo3"><![if !supportLists]><span style="color:red"><span style="mso-list:Ignore">c)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="color:red">VM cannot be reachable from IP Namespace either (ip netns exec qrouter-xxxx ping 50.50.1.4 does NOT work)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Apart from the same, my network node has the following issue AFTER a reboot:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol;color:#1F497D"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]> <span style="color:#1F497D">On network node the following agent is
</span><span style="color:red">not running i.e. “quantum-plugin-openvswitch-agent</span><span style="color:#1F497D">”<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol;color:#1F497D"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="color:#1F497D">Logs of this agent indicates it needs the plugin upgrade....dont have the precise error log..<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:1.0in;text-indent:-.25in;mso-list:l0 level2 lfo2">
<![if !supportLists]><span style="font-family:"Courier New";color:#1F497D"><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="color:#1F497D">ovs-vswitchd.log indicates the following:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:1.5in;text-indent:-.25in;mso-list:l0 level3 lfo2">
<![if !supportLists]><span style="font-family:Wingdings;color:#1F497D"><span style="mso-list:Ignore">§<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="color:#1F497D">Apr 16 22:08:39|00482|netdev|WARN|Dropped 233 log messages in last 12 seconds (most recently, 1 seconds ago) due to excessive rate<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:1.5in;text-indent:-.25in;mso-list:l0 level3 lfo2">
<![if !supportLists]><span style="font-family:Wingdings;color:#1F497D"><span style="mso-list:Ignore">§<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="color:#1F497D">Apr 16 22:08:39|00483|netdev|WARN|failed to get flags for network device qr-12091c58-8a: No such device<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:1.5in;text-indent:-.25in;mso-list:l0 level3 lfo2">
<![if !supportLists]><span style="font-family:Wingdings;color:#1F497D"><span style="mso-list:Ignore">§<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="color:#1F497D">Apr 16 22:08:43|00484|netdev_linux|WARN|Dropped 35 log messages in last 15 seconds (most recently, 5 seconds ago) due to excessive rate<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol;color:#1F497D"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="color:#1F497D">The version of OSK-plugin-ovs-agent is 2013.1.1-0ubuntu1<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="font-family:Symbol;color:#1F497D"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="color:#1F497D">The result of the above being that “<b>br-tun DOES NOT have gre-2 / gre-1 port on it</b>” for both compute and network..<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Please let me know what could be done to:<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l2 level1 lfo4"><![if !supportLists]><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>get the ovs-agent running on compute<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l2 level1 lfo4"><![if !supportLists]><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>have VMs pingable<o:p></o:p></p>
<p class="MsoNormal">================================================================================================================<o:p></o:p></p>
<p class="MsoNormal">compute Node output:<o:p></o:p></p>
<p class="MsoNormal"><span style="color:#7030A0">root@computenode:~# ovs-vsctl show<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0">4aad5da2-861d-4190-a50b-37dfc5ca237a<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Bridge br-tun<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Port patch-int<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Interface patch-int<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> type: patch<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> options: {peer=patch-tun}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Port br-tun<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Interface br-tun<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> type: internal<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Bridge br-int<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Port "qvo47a58f32-be"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Interface "qvo47a58f32-be"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Port "qvo19e7cd4c-c0"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> tag: 1<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Interface "qvo19e7cd4c-c0"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Port "qvobaa01ac1-69"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> tag: 1<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Interface "qvobaa01ac1-69"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Port patch-tun<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Interface patch-tun<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> type: patch<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> options: {peer=patch-int}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Port br-int<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Interface br-int<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> type: internal<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> ovs_version: "1.4.0+build0"<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">================================================================================================================<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Network node output:<o:p></o:p></p>
<p class="MsoNormal"><span style="color:#7030A0"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0">root@networknode:~# ovs-vsctl show<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0">9e17bb8c-d69d-48ab-9333-b22447c0c268<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Bridge br-tun<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Port patch-int<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Interface patch-int<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> type: patch<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> options: {peer=patch-tun}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Port br-tun<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Interface br-tun<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> type: internal<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Bridge br-int<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Port patch-tun<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Interface patch-tun<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> type: patch<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> options: {peer=patch-int}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Port br-int<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Interface br-int<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> type: internal<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Port "qr-a7ab3f7c-8e"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Interface "qr-a7ab3f7c-8e"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> type: internal<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Port "tap6a322215-f0"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> tag: 1<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Interface "tap6a322215-f0"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> type: internal<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Bridge br-ex<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Port br-ex<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Interface br-ex<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> type: internal<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Port "qg-1d552cbd-a0"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Interface "qg-1d552cbd-a0"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> type: internal<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Port "eth2"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> Interface "eth2"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#7030A0"> ovs_version: "1.4.0+build0"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal">Thanks and Regards,<o:p></o:p></p>
<p class="MsoNormal">Rashmi S N<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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