OpenDaylight JIRA https://jira.opendaylight.org This file is an XML representation of an issue en-us 8.20.10 820010 22-06-2022 [NETVIRT-818] After created two Physical Switch by Open vSwitch HWVTEP Emulator, tunnel I/F is created only in one LogicalSwitch when creating L2GW CONNECTION https://jira.opendaylight.org/browse/NETVIRT-818 netvirt <p>After created two Physical Switch by Open vSwitch HWVTEP Emulator, tunnel I/F is created only in one LogicalSwitch when creating L2GW CONNECTION<br/> By confirming with command "ovs-vsctl show", we found that the tunnel I/F was displayed only for a moment and disappeared right away. Certainly, the communication failed.</p> <p>The Virtual L2 network configuration we want to create is as below:<br/> With one L2GW node, connect one virtual LAN (vxlan) and one virtual LAN (vlan) which is on multiple (two or more) physical lines by L2</p> <p><ins>------------------</ins>(name:test-nw)<br/> (vxlan) | |</p> <div class='table-wrap'> <table class='confluenceTable'><tbody> <tr> <td class='confluenceTd'> </td> <td class='confluenceTd'><ins>-----</ins></td> </tr> <tr> <td class='confluenceTd'>+---</td> <td class='confluenceTd'>gw1</td> <td class='confluenceTd'>--+</td> </tr> <tr> <td class='confluenceTd'><ins>-----</ins></td> </tr> <tr> <td class='confluenceTd'> </td> </tr> <tr> <td class='confluenceTd'><ins>---------------</ins> vlan:2222(Physical line#1)</td> </tr> <tr> <td class='confluenceTd'><ins>-----</ins><br/> +------</td> <td class='confluenceTd'>gw2</td> <td class='confluenceTd'>--+<br/> <ins>-----</ins></td> </tr> </tbody></table> </div> <p><ins>---------------</ins> vlan:2222(Physical line#2)</p> <p>Physical configuration of L2GW Node:<br/> <ins>---------------------------------------------------</ins></p> <div class='table-wrap'> <table class='confluenceTable'><tbody> <tr> <td class='confluenceTd'>L2GW Node</td> </tr> <tr> <td class='confluenceTd'> </td> </tr> <tr> <td class='confluenceTd'><ins>---------------------<del></ins> <ins></del>-----------------</ins></td> </tr> <tr> <td class='confluenceTd'> </td> <td class='confluenceTd'>Physical Switch(1)</td> <td class='confluenceTd'> </td> <td class='confluenceTd'>Physical Switch(2)</td> <td class='confluenceTd'> </td> </tr> <tr> <td class='confluenceTd'><ins>---------------------<del></ins> <ins></del>-----------------</ins></td> </tr> <tr> <td class='confluenceTd'> </td> <td class='confluenceTd'> </td> <td class='confluenceTd'> </td> </tr> <tr> <td class='confluenceTd'><ins>-----------------<del></ins> <ins></del>-------------</ins></td> </tr> <tr> <td class='confluenceTd'> </td> <td class='confluenceTd'>Physical Port(1)</td> <td class='confluenceTd'> </td> <td class='confluenceTd'>Physical Port(2)</td> <td class='confluenceTd'> </td> </tr> </tbody></table> </div> <p><ins>---------------------------------------------------</ins></p> <div class='table-wrap'> <table class='confluenceTable'><tbody> <tr> <td class='confluenceTd'> </td> </tr> </tbody></table> </div> <p><ins>-----</ins> Physical line#1 |<br/> <ins>-----</ins> Physical line#2</p> <p>L2GW GATEWAY/CONNECTION creation command :<br/> neutron l2-gateway-create gw1 --device name=Physical Switch(1),interface_names=Physical Port(1)<br/> neutron l2-gateway-create gw2 --device name=Physical Switch(2),interface_names=Physical Port(2)</p> <p>neutron l2-gateway-connection-create gw1 test-nw --default-segmentation-id 2222<br/> neutron l2-gateway-connection-create gw2 test-nw --default-segmentation-id 2222</p> <p>P.S</p> <p>We know the following configuration can also realizes the Virtual L2 network configuration we want to create.<br/> But Load balancing is impossible as Open vSwitch HWVTEP Emulator (ovs-vtep) process starts for each physical switch.</p> <p><ins>---------------------------------------------------</ins></p> <div class='table-wrap'> <table class='confluenceTable'><tbody> <tr> <td class='confluenceTd'>L2GW Node</td> </tr> <tr> <td class='confluenceTd'> </td> </tr> <tr> <td class='confluenceTd'><ins>--------------------</ins></td> </tr> <tr> <td class='confluenceTd'> </td> <td class='confluenceTd'>Physical Switch(1)</td> <td class='confluenceTd'>------------+</td> </tr> <tr> <td class='confluenceTd'><ins>--------------------</ins></td> <td class='confluenceTd'> </td> </tr> <tr> <td class='confluenceTd'> </td> <td class='confluenceTd'> </td> <td class='confluenceTd'> </td> </tr> <tr> <td class='confluenceTd'><ins>-----------------<del></ins> <ins></del>-------------</ins></td> </tr> <tr> <td class='confluenceTd'> </td> <td class='confluenceTd'>Physical Port(1)</td> <td class='confluenceTd'> </td> <td class='confluenceTd'>Physical Port(2)</td> <td class='confluenceTd'> </td> </tr> </tbody></table> </div> <p><ins>---------------------------------------------------</ins></p> <div class='table-wrap'> <table class='confluenceTable'><tbody> <tr> <td class='confluenceTd'> </td> </tr> </tbody></table> </div> <p><ins>-----</ins> Physical line#1 |<br/> <ins>-----</ins> Physical line#2</p> <p>neutron l2-gateway-create gw1 --device name=Physical Switch(1),interface_names=Physical Port(1)<br/> neutron l2-gateway-create gw2 --device name=Physical Switch(1),interface_names=Physical Port(2)</p> <p>neutron l2-gateway-connection-create gw1 test-nw --default-segmentation-id 2222<br/> neutron l2-gateway-connection-create gw2 test-nw --default-segmentation-id 2222</p> <p>Operating System: All<br/> Platform: All</p> NETVIRT-818 After created two Physical Switch by Open vSwitch HWVTEP Emulator, tunnel I/F is created only in one LogicalSwitch when creating L2GW CONNECTION Bug Medium Resolved Won't Do Unassigned Ran Xiao Wed, 2 Aug 2017 04:35:25 +0000 Fri, 9 Mar 2018 02:25:32 +0000 Thu, 25 Jan 2018 02:47:33 +0000 Carbon General 0 13 <p>Confirmed with netvirt-dev community that multiple physical switch support under one global node is not implemented/tested.<br/> #&lt;<a href="https://lists.opendaylight.org/pipermail/netvirt-dev/2017-August/005324.html" class="external-link" target="_blank" rel="nofollow noopener">https://lists.opendaylight.org/pipermail/netvirt-dev/2017-August/005324.html</a>&gt;<br/> Close this issue ticket as it's not a bug.</p> Development External issue ID 8921 External issue URL Rank 0|i01u5b: