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<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D">An FDB entry for a Floating IP resource would only be required on nodes with ports attached to the related external network.   Normally that means only the network nodes that are hosting virtual
 routers attached to those external networks rather than compute nodes.  However, there are less frequently used scenarios that involve customers launching VM instances directly on external networks and in those scenarios the external network will be instantiated
 in some compute nodes as well as the network nodes.  <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D">In your test scenario, the external network will only be present on the network node and therefore only the agent running on the network node will be capable of processing any related FDB entries. 
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D">Allain<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal" align="left" style="text-align:left"><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">Allain Legacy</span></b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">, Software Developer,
 Wind River</span><span style="font-size:11.0pt;color:#1F497D"><br>
</span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">direct 613.270.2279  fax
</span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">613.492.7870 skype allain.legacy<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#404040">350 Terry Fox Drive, Suite 200, Ottawa, Ontario, K2K 2W5<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span style="font-size:11.0pt;color:#1F497D"><br>
 <br>
</span><a href="http://www.windriver.com/" title=""Innovators Start Here" "><span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#CC0000;text-decoration:none"><img border="0" width="160" height="92" id="_x0000_i1030" src="cid:image001.png@01D49381.D5DDE3A0" alt="WIND"></span></a><span style="font-size:11.0pt;color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal" align="left" style="text-align:left"><b><span style="font-size:11.0pt">From:</span></b><span style="font-size:11.0pt"> Xu, Chenjie [mailto:chenjie.xu@intel.com]
<br>
<b>Sent:</b> Friday, December 14, 2018 3:24 AM<br>
<b>To:</b> Legacy, Allain<br>
<b>Cc:</b> Peters, Matt; starlingx-discuss@lists.starlingx.io<br>
<b>Subject:</b> FW: [Starlingx-discuss] Analysis of patch 9f926a5 for StartlingX upstreaming<o:p></o:p></span></p>
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<p class="MsoNormal" align="left" style="text-align:left"><o:p> </o:p></p>
<p class="MsoNormal" align="left" style="text-align:left"><span style="mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">Hi Allain,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">As you suggested, I’m testing the 2 changes together. However I find that the fdb for floatingip can’t be installed on the br-tun of the compute node. Because the network-id in fdb
 is not in the LocalVlanManager. The details are below and could you please help review and comment?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">The environment: latest DevStack with 1 controller node and 1 compute node<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">The network topology is below:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN"><img border="0" width="146" height="306" id="_x0000_i1025" src="cid:image010.jpg@01D49382.52015E80"><span style="color:#1F497D"><o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">Steps:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:-.25in;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="color:#1F497D;mso-fareast-language:ZH-CN"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span style="color:#1F497D;mso-fareast-language:ZH-CN">Create an external network external-net<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:0in"><span style="color:#1F497D;mso-fareast-language:ZH-CN">neutron net-create external-net  --router:external True  --provider:network_type vxlan<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:-.25in;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="color:#1F497D;mso-fareast-language:ZH-CN"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span style="color:#1F497D;mso-fareast-language:ZH-CN">Create a subnet on external-net<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:0in"><span style="color:#1F497D;mso-fareast-language:ZH-CN">neutron subnet-create external-net 192.168.25.0/24 --name external-subnet --allocation-pool start=192.168.25.200,end=192.168.25.250<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:-.25in;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="color:#1F497D;mso-fareast-language:ZH-CN"><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span style="color:#1F497D;mso-fareast-language:ZH-CN">Create an internal network, create a subnet on net4<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:0in"><span style="color:#1F497D;mso-fareast-language:ZH-CN">neutron net-create net4<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:0in"><span style="color:#1F497D;mso-fareast-language:ZH-CN">neutron subnet-create net4 192.168.2.0/24 --name subnet4<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:-.25in;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="color:#1F497D;mso-fareast-language:ZH-CN"><span style="mso-list:Ignore">4.<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span style="color:#1F497D;mso-fareast-language:ZH-CN">Create a router, set router gateway as external-net, add subnet4 to router<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:0in"><span style="color:#1F497D;mso-fareast-language:ZH-CN">neutron router-create router<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:0in"><span style="color:#1F497D;mso-fareast-language:ZH-CN">neutron router-gateway-set $router-id $external-net-id<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:0in"><span style="color:#1F497D;mso-fareast-language:ZH-CN">neutron router-interface-add $router-id $subnet4-id<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:-.25in;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="color:#1F497D;mso-fareast-language:ZH-CN"><span style="mso-list:Ignore">5.<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span style="color:#1F497D;mso-fareast-language:ZH-CN">Create a VM vm-1 on net4 (vm-1 runs on compute node)<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:-.25in;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="color:#1F497D;mso-fareast-language:ZH-CN"><span style="mso-list:Ignore">6.<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span style="color:#1F497D;mso-fareast-language:ZH-CN">Allocate floating IP FIP-1 on external-net through horizon<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:-.25in;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="color:#1F497D;mso-fareast-language:ZH-CN"><span style="mso-list:Ignore">7.<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span style="color:#1F497D;mso-fareast-language:ZH-CN">Associate FIP-1 with vm-1 through horizon<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">The fdb is below:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN"><img border="0" width="857" height="38" id="Picture_x0020_5" src="cid:image011.jpg@01D49382.52015E80"><span style="color:#1F497D"><o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">The OVS agent on the compute node receives the FDB:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN"><img border="0" width="860" height="38" id="Picture_x0020_4" src="cid:image012.jpg@01D49382.52015E80"><span style="color:#1F497D"><o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">In OVS agent, LocalVlanManager is used to map tunnel ids or vlan ids to internal vlans:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN"><a href="https://github.com/openstack/neutron/blob/master/neutron/plugins/ml2/drivers/openvswitch/agent/vlanmanager.py">https://github.com/openstack/neutron/blob/master/neutron/plugins/ml2/drivers/openvswitch/agent/vlanmanager.py</a><span style="color:#1F497D"><o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">After OVS agent receiving the FDB, it will try to get LocalVlanMapping from LocalVlanMannager:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN"><a href="https://github.com/openstack/neutron/blob/master/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py#L558">https://github.com/openstack/neutron/blob/master/neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py#L558</a><span style="color:#1F497D"><o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN"><a href="https://github.com/openstack/neutron/blob/master/neutron/plugins/ml2/drivers/l2pop/rpc_manager/l2population_rpc.py#L237">https://github.com/openstack/neutron/blob/master/neutron/plugins/ml2/drivers/l2pop/rpc_manager/l2population_rpc.py#L237</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">However the network-id f2ebf82a-e788-4456-8516-c95b12f91d49 is not in the LocalVlanManager. Thus the fdb can’t be installed on br-tun. The mapping in the LocalVlanManager in the OVS
 agent which is on the compute node is below:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN"><img border="0" width="861" height="39" id="_x0000_i1028" src="cid:image013.jpg@01D49382.52015E80"><span style="color:#1F497D"><o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">Analysis:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">The vm-1 is created on internal network net4 . When creating vm-1, a port in the net4 will be bound to vm-1. Thus the network-id can be added to the LocalVlanManager. The network id
 for floating IP is used in FDB but the corresponding network is an external network. And this external network’s network id is not in the LocalVlanManager in the OVS agent which is on the compute node.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">Best Regard,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">Xu, Chenjie<o:p></o:p></span></p>
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<p class="MsoNormal" align="left" style="text-align:left"><b><span style="font-size:11.0pt;mso-fareast-language:ZH-CN"><o:p> </o:p></span></b></p>
<p class="MsoNormal" align="left" style="text-align:left"><b><span style="font-size:11.0pt;mso-fareast-language:ZH-CN"><o:p> </o:p></span></b></p>
<p class="MsoNormal" align="left" style="text-align:left"><b><span style="font-size:11.0pt;mso-fareast-language:ZH-CN">From:</span></b><span style="font-size:11.0pt;mso-fareast-language:ZH-CN"> Legacy, Allain [<a href="mailto:Allain.Legacy@windriver.com">mailto:Allain.Legacy@windriver.com</a>]
<br>
<b>Sent:</b> Friday, December 7, 2018 10:20 PM<br>
<b>To:</b> Xu, Chenjie <<a href="mailto:chenjie.xu@intel.com">chenjie.xu@intel.com</a>>; Peters, Matt <<a href="mailto:Matt.Peters@windriver.com">Matt.Peters@windriver.com</a>><br>
<b>Cc:</b> <a href="mailto:starlingx-discuss@lists.starlingx.io">starlingx-discuss@lists.starlingx.io</a><br>
<b>Subject:</b> RE: [Starlingx-discuss] Analysis of patch 9f926a5 for StartlingX upstreaming<o:p></o:p></span></p>
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</div>
<p class="MsoNormal" align="left" style="text-align:left"><span style="mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">The change that is being reviewed here was originally a part of a larger commit (</span><span style="mso-fareast-language:ZH-CN"><a href="http://stash.wrs.com/projects/CGCS/repos/github.com.openstack.neutron/commits/9f926a5d2539b0b0451c50053244a8fa6c43bf3c"><span style="color:#1F497D;text-decoration:none">9f926a5d253</span></a><span style="color:#1F497D">).  
 They should be implemented together or at least tested together.   I seem to remember that there was information missing in case 1 that prevented a proper FDB notification from being generated.<o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">Please retest your scenarios and capture the input parameters to add_fdb_entries(), remove_fdb_entries(), and update_fdb_entries() in neutron/plugins/ml2/drivers/l2pop/rpc.py:L2populationAgentNotifyAPI
 to be sure that expected notifications are published.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;mso-fareast-language:ZH-CN">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;mso-fareast-language:ZH-CN">Allain<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal" align="left" style="text-align:left"><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333;mso-fareast-language:ZH-CN">Allain Legacy</span></b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333;mso-fareast-language:ZH-CN">,
 Software Developer, Wind River</span><span style="font-size:11.0pt;color:#1F497D;mso-fareast-language:ZH-CN"><br>
</span><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333;mso-fareast-language:ZH-CN">direct 613.270.2279  fax 613.492.7870 skype allain.legacy<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#404040;mso-fareast-language:ZH-CN">350 Terry Fox Drive, Suite 200, Ottawa, Ontario, K2K 2W5<o:p></o:p></span></p>
<p class="MsoNormal" align="left" style="text-align:left"><span style="font-size:11.0pt;color:#1F497D;mso-fareast-language:ZH-CN"><br>
 <br>
</span><span style="mso-fareast-language:ZH-CN"><a href="http://www.windriver.com/" title=""Innovators Start Here" "><span style="font-size:11.0pt;font-family:"Arial",sans-serif;color:#CC0000;text-decoration:none"><img border="0" width="160" height="92" id="Picture_x0020_1" src="cid:image001.png@01D49381.D5DDE3A0" alt="WIND"></span></a></span><span style="font-size:11.0pt;color:#1F497D;mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span style="font-size:11.0pt;color:#1F497D;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
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<p class="MsoNormal" align="left" style="text-align:left"><b><span style="font-size:11.0pt;mso-fareast-language:ZH-CN">From:</span></b><span style="font-size:11.0pt;mso-fareast-language:ZH-CN"> Xu, Chenjie [</span><span style="mso-fareast-language:ZH-CN"><a href="mailto:chenjie.xu@intel.com"><span style="font-size:11.0pt">mailto:chenjie.xu@intel.com</span></a></span><span style="font-size:11.0pt;mso-fareast-language:ZH-CN">]
<br>
<b>Sent:</b> Friday, December 07, 2018 3:42 AM<br>
<b>To:</b> Peters, Matt<br>
<b>Cc:</b> </span><span style="mso-fareast-language:ZH-CN"><a href="mailto:starlingx-discuss@lists.starlingx.io"><span style="font-size:11.0pt">starlingx-discuss@lists.starlingx.io</span></a></span><span style="font-size:11.0pt;mso-fareast-language:ZH-CN"><br>
<b>Subject:</b> Re: [Starlingx-discuss] Analysis of patch 9f926a5 for StartlingX upstreaming<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal" align="left" style="text-align:left"><span style="mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">Hi Matt,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">Ryan Tidwell comments on this patch and he thinks that AFTER_DELETE notification can be used to trigger l2pop.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN"><a href="https://review.openstack.org/#/c/611261/">https://review.openstack.org/#/c/611261/</a><span style="color:#1F497D"><o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN"><a href="https://review.openstack.org/#/c/611261/4/neutron/db/l3_db.py">https://review.openstack.org/#/c/611261/4/neutron/db/l3_db.py</a><span style="color:#1F497D"><o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">From the comment in the following line:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN"><a href="https://github.com/starlingx-staging/stx-neutron/blob/master/neutron/services/l3_router/service_providers/l2pop.py#L276">https://github.com/starlingx-staging/stx-neutron/blob/master/neutron/services/l3_router/service_providers/l2pop.py#L276</a><span style="color:#1F497D"><o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">It seems that  the router_id and port_id in AFTER_DELETE notification are None. As a result of that, the last_known_router_id and last_fixed_port_id should be used to construct FDB
 entries which are used to remove FDBs on each host. However, I print the notification in the following 2 cases:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">Case-1:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:-.25in;mso-list:l2 level1 lfo4">
<![if !supportLists]><span style="color:#1F497D;mso-fareast-language:ZH-CN"><span style="mso-list:Ignore">1)<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span style="color:#1F497D;mso-fareast-language:ZH-CN">Allocate floating ip fip-1<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:-.25in;mso-list:l2 level1 lfo4">
<![if !supportLists]><span style="color:#1F497D;mso-fareast-language:ZH-CN"><span style="mso-list:Ignore">2)<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span style="color:#1F497D;mso-fareast-language:ZH-CN">Associate fip-1 with vm-1<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:-.25in;mso-list:l2 level1 lfo4">
<![if !supportLists]><span style="color:#1F497D;mso-fareast-language:ZH-CN"><span style="mso-list:Ignore">3)<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span style="color:#1F497D;mso-fareast-language:ZH-CN">Delete fip-1<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">Case-2:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:-.25in;mso-list:l1 level1 lfo6">
<![if !supportLists]><span style="color:#1F497D;mso-fareast-language:ZH-CN"><span style="mso-list:Ignore">1)<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span style="color:#1F497D;mso-fareast-language:ZH-CN">Allocate floating ip fip-1<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:-.25in;mso-list:l1 level1 lfo6">
<![if !supportLists]><span style="color:#1F497D;mso-fareast-language:ZH-CN"><span style="mso-list:Ignore">2)<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span style="color:#1F497D;mso-fareast-language:ZH-CN">Associate fip-1 with vm-1<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:-.25in;mso-list:l1 level1 lfo6">
<![if !supportLists]><span style="color:#1F497D;mso-fareast-language:ZH-CN"><span style="mso-list:Ignore">3)<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span style="color:#1F497D;mso-fareast-language:ZH-CN">Disassociate fip-1 with vm-1<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:-.25in;mso-list:l1 level1 lfo6">
<![if !supportLists]><span style="color:#1F497D;mso-fareast-language:ZH-CN"><span style="mso-list:Ignore">4)<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span style="color:#1F497D;mso-fareast-language:ZH-CN">Delete fip-1<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">The notification for case1 and case 2 are attached. router_id and port_id are not None in case-1 and are None in case-2. Thus in case-1, AFTER_DELETE notification can be used. In case-2,
 FDB will be removed by step 3, thus no need to remove again. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">Based on the above analysis, I think we can use AFTER_DELETE notification. Could you please comment and review?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">Best Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">Xu, Chenjie<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
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<p class="MsoNormal" align="left" style="text-align:left"><b><span style="font-size:11.0pt;mso-fareast-language:ZH-CN">From:</span></b><span style="font-size:11.0pt;mso-fareast-language:ZH-CN"> Peters, Matt [</span><span style="mso-fareast-language:ZH-CN"><a href="mailto:Matt.Peters@windriver.com"><span style="font-size:11.0pt">mailto:Matt.Peters@windriver.com</span></a></span><span style="font-size:11.0pt;mso-fareast-language:ZH-CN">]
<br>
<b>Sent:</b> Monday, November 12, 2018 11:19 PM<br>
<b>To:</b> Xu, Chenjie <</span><span style="mso-fareast-language:ZH-CN"><a href="mailto:chenjie.xu@intel.com"><span style="font-size:11.0pt">chenjie.xu@intel.com</span></a></span><span style="font-size:11.0pt;mso-fareast-language:ZH-CN">><br>
<b>Cc:</b> </span><span style="mso-fareast-language:ZH-CN"><a href="mailto:starlingx-discuss@lists.starlingx.io"><span style="font-size:11.0pt">starlingx-discuss@lists.starlingx.io</span></a></span><span style="font-size:11.0pt;mso-fareast-language:ZH-CN">;
 Legacy, Allain <</span><span style="mso-fareast-language:ZH-CN"><a href="mailto:Allain.Legacy@windriver.com"><span style="font-size:11.0pt">Allain.Legacy@windriver.com</span></a></span><span style="font-size:11.0pt;mso-fareast-language:ZH-CN">><br>
<b>Subject:</b> Re: [Starlingx-discuss] Analysis of patch 9f926a5 for StartlingX upstreaming<o:p></o:p></span></p>
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<p class="MsoNormal" align="left" style="text-align:left"><span style="mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:11.0pt;mso-fareast-language:ZH-CN">Hi Chenjie,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:11.0pt;mso-fareast-language:ZH-CN">The latest RFE looks good to me.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:11.0pt;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:11.0pt;mso-fareast-language:ZH-CN">Regards, Matt<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:11.0pt;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-CA" style="font-size:12.0pt;color:black;mso-fareast-language:ZH-CN">From:
</span></b><span lang="EN-CA" style="font-size:12.0pt;color:black;mso-fareast-language:ZH-CN">"Xu, Chenjie" <</span><span style="mso-fareast-language:ZH-CN"><a href="mailto:chenjie.xu@intel.com"><span lang="EN-CA" style="font-size:12.0pt">chenjie.xu@intel.com</span></a></span><span lang="EN-CA" style="font-size:12.0pt;color:black;mso-fareast-language:ZH-CN">><br>
<b>Date: </b>Monday, November 12, 2018 at 1:23 AM<br>
<b>To: </b>"Peters, Matt" <</span><span style="mso-fareast-language:ZH-CN"><a href="mailto:Matt.Peters@windriver.com"><span lang="EN-CA" style="font-size:12.0pt">Matt.Peters@windriver.com</span></a></span><span lang="EN-CA" style="font-size:12.0pt;color:black;mso-fareast-language:ZH-CN">><br>
<b>Cc: </b>"</span><span style="mso-fareast-language:ZH-CN"><a href="mailto:starlingx-discuss@lists.starlingx.io"><span lang="EN-CA" style="font-size:12.0pt">starlingx-discuss@lists.starlingx.io</span></a></span><span lang="EN-CA" style="font-size:12.0pt;color:black;mso-fareast-language:ZH-CN">"
 <</span><span style="mso-fareast-language:ZH-CN"><a href="mailto:starlingx-discuss@lists.starlingx.io"><span lang="EN-CA" style="font-size:12.0pt">starlingx-discuss@lists.starlingx.io</span></a></span><span lang="EN-CA" style="font-size:12.0pt;color:black;mso-fareast-language:ZH-CN">>,
 Allain Legacy <</span><span style="mso-fareast-language:ZH-CN"><a href="mailto:Allain.Legacy@windriver.com"><span lang="EN-CA" style="font-size:12.0pt">Allain.Legacy@windriver.com</span></a></span><span lang="EN-CA" style="font-size:12.0pt;color:black;mso-fareast-language:ZH-CN">><br>
<b>Subject: </b>RE: [Starlingx-discuss] Analysis of patch 9f926a5 for StartlingX upstreaming<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-size:11.0pt;mso-fareast-language:ZH-CN"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">Hi Matt,</span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">The RFE has been updated and is attached. Could you please help review and comment?</span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN"> </span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">Best Regards,</span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN">Xu, Chenjie</span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D;mso-fareast-language:ZH-CN"> </span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
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<p class="MsoNormal" align="left" style="text-align:left"><b><span style="font-size:11.0pt;mso-fareast-language:ZH-CN">From:</span></b><span style="font-size:11.0pt;mso-fareast-language:ZH-CN"> Peters, Matt [</span><span style="mso-fareast-language:ZH-CN"><a href="mailto:Matt.Peters@windriver.com"><span style="font-size:11.0pt">mailto:Matt.Peters@windriver.com</span></a></span><span style="font-size:11.0pt;mso-fareast-language:ZH-CN">]
<br>
<b>Sent:</b> Friday, November 9, 2018 9:22 PM<br>
<b>To:</b> Xu, Chenjie <</span><span style="mso-fareast-language:ZH-CN"><a href="mailto:chenjie.xu@intel.com"><span style="font-size:11.0pt">chenjie.xu@intel.com</span></a></span><span style="font-size:11.0pt;mso-fareast-language:ZH-CN">>; Legacy, Allain <</span><span style="mso-fareast-language:ZH-CN"><a href="mailto:Allain.Legacy@windriver.com"><span style="font-size:11.0pt">Allain.Legacy@windriver.com</span></a></span><span style="font-size:11.0pt;mso-fareast-language:ZH-CN">><br>
<b>Cc:</b> </span><span style="mso-fareast-language:ZH-CN"><a href="mailto:starlingx-discuss@lists.starlingx.io"><span style="font-size:11.0pt">starlingx-discuss@lists.starlingx.io</span></a></span><span style="font-size:11.0pt;mso-fareast-language:ZH-CN"><br>
<b>Subject:</b> Re: [Starlingx-discuss] Analysis of patch 9f926a5 for StartlingX upstreaming</span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
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<p class="MsoNormal" align="left" style="text-align:left"><span style="mso-fareast-language:ZH-CN"> </span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:11.0pt;mso-fareast-language:ZH-CN">Hi Chenjie,</span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:11.0pt;mso-fareast-language:ZH-CN">The RFE looks good.  The use cases are clear and detailed.</span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:11.0pt;mso-fareast-language:ZH-CN">I only have a few minor review comments (see attached).</span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:11.0pt;mso-fareast-language:ZH-CN"> </span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:11.0pt;mso-fareast-language:ZH-CN">Regards, Matt</span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:11.0pt;mso-fareast-language:ZH-CN"> </span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-CA" style="font-size:12.0pt;color:black;mso-fareast-language:ZH-CN">From:
</span></b><span lang="EN-CA" style="font-size:12.0pt;color:black;mso-fareast-language:ZH-CN">"Xu, Chenjie" <</span><span style="mso-fareast-language:ZH-CN"><a href="mailto:chenjie.xu@intel.com"><span lang="EN-CA" style="font-size:12.0pt">chenjie.xu@intel.com</span></a></span><span lang="EN-CA" style="font-size:12.0pt;color:black;mso-fareast-language:ZH-CN">><br>
<b>Date: </b>Thursday, November 1, 2018 at 4:28 AM<br>
<b>To: </b>"Peters, Matt" <</span><span style="mso-fareast-language:ZH-CN"><a href="mailto:Matt.Peters@windriver.com"><span lang="EN-CA" style="font-size:12.0pt">Matt.Peters@windriver.com</span></a></span><span lang="EN-CA" style="font-size:12.0pt;color:black;mso-fareast-language:ZH-CN">>,
 Allain Legacy <</span><span style="mso-fareast-language:ZH-CN"><a href="mailto:Allain.Legacy@windriver.com"><span lang="EN-CA" style="font-size:12.0pt">Allain.Legacy@windriver.com</span></a></span><span lang="EN-CA" style="font-size:12.0pt;color:black;mso-fareast-language:ZH-CN">><br>
<b>Cc: </b>"</span><span style="mso-fareast-language:ZH-CN"><a href="mailto:starlingx-discuss@lists.starlingx.io"><span lang="EN-CA" style="font-size:12.0pt">starlingx-discuss@lists.starlingx.io</span></a></span><span lang="EN-CA" style="font-size:12.0pt;color:black;mso-fareast-language:ZH-CN">"
 <</span><span style="mso-fareast-language:ZH-CN"><a href="mailto:starlingx-discuss@lists.starlingx.io"><span lang="EN-CA" style="font-size:12.0pt">starlingx-discuss@lists.starlingx.io</span></a></span><span lang="EN-CA" style="font-size:12.0pt;color:black;mso-fareast-language:ZH-CN">><br>
<b>Subject: </b>[Starlingx-discuss] Analysis of patch 9f926a5 for StartlingX upstreaming</span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-CA" style="font-size:11.0pt;mso-fareast-language:ZH-CN"> </span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN"> </span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN">Hi Matt/Allain,</span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN">We analyze the patch 9f926a5 related to l2pop. An RFE “Add l2pop support for floating ip resources” has been written and is attached. The test case is provided by Allain. Could you please help to
 review and comment? Thanks very much!</span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN"> </span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN">Best Regards,</span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:ZH-CN">Xu, Chenjie</span><span lang="EN-CA" style="mso-fareast-language:ZH-CN"><o:p></o:p></span></p>
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