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<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Hi Allain,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Thank you for your comment! I will update the use cases in the RFE. Sorry for my misunderstanding!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Best Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Xu, Chenjie<o:p></o:p></span></p>
<p class="MsoNormal"><a name="_MailEndCompose"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></a></p>
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<p class="MsoNormal" align="left" style="text-align:left"><a name="_____replyseparator"></a><b><span lang="EN-US" style="font-size:11.0pt">From:</span></b><span lang="EN-US" style="font-size:11.0pt"> Legacy, Allain [mailto:Allain.Legacy@windriver.com]
<br>
<b>Sent:</b> Monday, December 17, 2018 9:13 PM<br>
<b>To:</b> Xu, Chenjie <chenjie.xu@intel.com>; Peters, Matt <Matt.Peters@windriver.com><br>
<b>Cc:</b> starlingx-discuss@lists.starlingx.io<br>
<b>Subject:</b> RE: [Starlingx-discuss] RFE Discussion for 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 lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;color:#1F497D">I have responded to the comment in Launchpad.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" 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 lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">Allain Legacy</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">,
Software Developer, Wind River</span><span lang="EN-US" style="font-size:11.0pt;color:#1F497D"><br>
</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">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 lang="EN-US" 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>
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<br>
</span><span lang="EN-US"><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@01D496E6.59DC20B0" alt="WIND"></span></a></span><span lang="EN-US" style="font-size:11.0pt;color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" 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 lang="EN-US" style="font-size:11.0pt">From:</span></b><span lang="EN-US" style="font-size:11.0pt"> Xu, Chenjie [<a href="mailto:chenjie.xu@intel.com">mailto:chenjie.xu@intel.com</a>]
<br>
<b>Sent:</b> Monday, December 17, 2018 12:51 AM<br>
<b>To:</b> Peters, Matt; Legacy, Allain<br>
<b>Cc:</b> <a href="mailto:starlingx-discuss@lists.starlingx.io">starlingx-discuss@lists.starlingx.io</a><br>
<b>Subject:</b> [Starlingx-discuss] RFE Discussion for 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 lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Hi Matt/Allain,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">For RFE “Add l2pop support for floating IP resources”, Miguel left a comment as below:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText" style="text-indent:21.0pt"><span lang="EN-US">Maybe I am misunderstanding, but I am having difficulty understanding the need for this RFE:<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText" style="margin-left:39.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">1)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">In both use cases described above, you state that "When VM-1 pings FloatingIP-2 for the first time, it needs to know the MAC address for FloatingIP-2. Thus ARP request is sent out". Since FloatingIP-2 is<o:p></o:p></span></p>
<p class="MsoPlainText" style="margin-left:39.0pt"><span lang="EN-US">not in the same subnet as Port1, wouldn't just VM send the the ICMP echo request directly to its default gateway and let L3 level protocols route the request to the correct destination?<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText" style="margin-left:39.0pt;text-indent:-18.0pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">2)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">The summary of your proposal is "The idea is that advertising the FDBs for floating IP when the FIP status changes to "ACTIVE" and withdraw the FDBs for floating IP whenever the status is set to "DOWN"
<o:p></o:p></span></p>
<p class="MsoPlainText" style="margin-left:39.0pt"><span lang="EN-US">or the resource is deleted or disassociated." Aren't we mixing L2 and L3 concepts here unnecessarily. The FDB entries in L2pop are meant to optimize the communication at L2. Floating IPs
should be handled <o:p></o:p></span></p>
<p class="MsoPlainText" style="margin-left:39.0pt"><span lang="EN-US">by L3. Am I missing something?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Could you please help review and comment? The link for the RFE is below:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><a href="https://bugs.launchpad.net/neutron/+bug/1803494">https://bugs.launchpad.net/neutron/+bug/1803494</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Best Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Xu, Chenjie<o:p></o:p></span></p>
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