<div dir="ltr">Dear Sir,<div><br></div><div>(We made some edits from our previous mail.)</div><div><br></div><div><p style="margin-top:0px;margin-right:0px;margin-left:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:inherit;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:15px;vertical-align:baseline;box-sizing:inherit;clear:both;color:rgb(36,39,41)">We are testing a simple SFC in OpenStack (Stein) + OpenDaylight (Neon) + Open vSwitch (v2.11.1). It's an all-in-one deployment (OPNFV-9.0.0).</p><p style="margin-top:0px;margin-right:0px;margin-left:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:inherit;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:15px;vertical-align:baseline;box-sizing:inherit;clear:both;color:rgb(36,39,41)">We have read the document:<br></p><p style="margin-top:0px;margin-right:0px;margin-left:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:inherit;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:15px;vertical-align:baseline;box-sizing:inherit;clear:both;color:rgb(36,39,41)"><a href="https://readthedocs.org/projects/odl-sfc/downloads/pdf/latest/" target="_blank">https://readthedocs.org/projects/odl-sfc/downloads/pdf/latest/</a><br></p><p style="margin-top:0px;margin-right:0px;margin-left:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:inherit;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:15px;vertical-align:baseline;box-sizing:inherit;clear:both;color:rgb(36,39,41)">and</p><p style="margin-top:0px;margin-right:0px;margin-left:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:inherit;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:15px;vertical-align:baseline;box-sizing:inherit;clear:both;color:rgb(36,39,41)"><a href="https://github.com/opnfv/sfc/blob/master/docs/release/scenarios/os-odl-sfc-noha/scenario.description.rst" target="_blank">https://github.com/opnfv/sfc/blob/master/docs/release/scenarios/os-odl-sfc-noha/scenario.description.rst</a><br></p><p style="margin-top:0px;margin-right:0px;margin-left:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:inherit;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:15px;vertical-align:baseline;box-sizing:inherit;clear:both;color:rgb(36,39,41)">The driver we use is odl_v2:</p><p style="margin-top:0px;margin-right:0px;margin-left:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:inherit;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:15px;vertical-align:baseline;box-sizing:inherit;clear:both;color:rgb(36,39,41)"></p><img src="cid:ii_km777o151" alt="image.png" width="215" height="115" class="gmail-CToWUd"><p style="margin-top:0px;margin-right:0px;margin-left:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:inherit;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:15px;vertical-align:baseline;box-sizing:inherit;clear:both;color:rgb(36,39,41)"><img src="cid:ii_klun2ocw0" alt="image.png" width="542" height="156" class="gmail-CToWUd gmail-a6T" tabindex="0" style="cursor: pointer; outline: 0px; font-family: Arial, Helvetica, sans-serif; font-size: small; color: rgb(34, 34, 34);"><br></p><br><p style="margin-top:0px;margin-right:0px;margin-left:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:inherit;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:15px;vertical-align:baseline;box-sizing:inherit;clear:both;color:rgb(36,39,41)">Our SFC topology:<br></p><p style="margin-top:0px;margin-right:0px;margin-left:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:inherit;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:15px;vertical-align:baseline;box-sizing:inherit;clear:both;color:rgb(36,39,41)"><a href="https://i.stack.imgur.com/7QMWh.png" rel="nofollow noreferrer" target="_blank" style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit"><img src="https://i.stack.imgur.com/7QMWh.png" alt="enter image description here" class="gmail-CToWUd" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: inherit; font-family: inherit; vertical-align: bottom; box-sizing: inherit; max-width: 100%;"></a></p><p style="margin-top:0px;margin-right:0px;margin-left:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:inherit;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:15px;vertical-align:baseline;box-sizing:inherit;clear:both;color:rgb(36,39,41)">All on the same compute node.</p><p style="margin-top:0px;margin-right:0px;margin-left:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:inherit;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:15px;vertical-align:baseline;box-sizing:inherit;clear:both;color:rgb(36,39,41)">Build SFC through API:</p><ol style="margin-top:0px;margin-right:0px;margin-left:30px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:inherit;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:15px;vertical-align:baseline;list-style-position:initial;box-sizing:inherit;color:rgb(36,39,41)"><li style="margin-left:0px;margin-top:0px;margin-right:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit"><p style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit;clear:both">openstack sfc flow classifier create --source-ip-prefix <a href="http://10.20.0.0/24" target="_blank">10.20.0.0/24</a> --logical-source-port p0 FC1</p></li><li style="margin-left:0px;margin-top:0px;margin-right:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit"><p style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit;clear:both">openstack sfc port pair create --description "Firewall SF instance 1" --ingress p1 --egress p1 --service-function-parameters correlation=None PP1</p></li><li style="margin-left:0px;margin-top:0px;margin-right:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit"><p style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit;clear:both">openstack sfc port pair group create --port-pair PP1 PPG1</p></li><li style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit"><p style="margin:0px;padding:0px;border:0px;font-style:inherit;font-variant:inherit;font-weight:inherit;font-stretch:inherit;line-height:inherit;font-family:inherit;vertical-align:baseline;box-sizing:inherit;clear:both">openstack sfc port chain create --port-pair-group PPG1 --flow-classifier FC1 --chain-parameters correlation=nsh PC1</p></li></ol><div>we expect that the encapsulation/decapsulation will be performed by the back-end driver, so that the data packet passes through the nsh-unaware VNF like a regular data packet. </div><div>However, we can see that the NSH packet reaches the VNF interface (screenshot attached).<font color="#242729" face="Arial, Helvetica Neue, Helvetica, sans-serif"><span style="font-size:15px"><br></span></font></div><div><img src="cid:ii_km776vft0" alt="123.jpg" width="542" height="352" class="gmail-CToWUd gmail-a6T" tabindex="0" style="cursor: pointer; outline: 0px;"><br></div><div>Flow table:<br><br></div></div><div><img src="cid:ii_km4mkgbu1" alt="螢幕擷取畫面 2021-02-06 153311.png" width="542" height="273" class="gmail-CToWUd gmail-a6T" tabindex="0" style="cursor: pointer; outline: 0px;"><br></div><div><br></div><div><div><p style="margin-top:0px;margin-right:0px;margin-left:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:inherit;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:15px;vertical-align:baseline;box-sizing:inherit;clear:both;color:rgb(36,39,41)">It seems NSH header not decapsulate before entering NSH-unaware VNF.<br></p><p style="margin-top:0px;margin-right:0px;margin-left:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:inherit;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:15px;vertical-align:baseline;box-sizing:inherit;clear:both;color:rgb(36,39,41)">Could you give us some advice?</p><p style="margin-top:0px;margin-right:0px;margin-left:0px;padding:0px;border:0px;font-variant-numeric:inherit;font-variant-east-asian:inherit;font-stretch:inherit;line-height:inherit;font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:15px;vertical-align:baseline;box-sizing:inherit;clear:both;color:rgb(36,39,41)">We really appreciate it.</p></div><div>Regards,</div><div>Zack</div></div><br><br><div id="mt-signature">
<table border="0" cellpadding="8" cellspacing="0" style="user-select: none;">
<tbody><tr>
<td>
<a id="signatureLink-logo" href="https://mailtrack.io?utm_source=gmail&utm_medium=signature&utm_campaign=signaturevirality5&" class="" style="text-decoration:none">
<img src="https://s3.amazonaws.com/mailtrack-signature/sender_notified.gif" alt="Mailtrack" class="" width="32" height="32">
</a>
</td>
<td>
<span style="color:#777">Sender notified by</span> <br>
<a id="signatureLink-text" href="https://mailtrack.io?utm_source=gmail&utm_medium=signature&utm_campaign=signaturevirality5&" class="mt-install" style="color:#4374f7">Mailtrack</a>
<span style="color:transparent;font-size:0">03/13/21, 12:07:12 PM</span>
</td>
<td>
</td>
</tr>
</tbody></table>
</div><img width="0" height="0" class="mailtrack-img" alt="" style="display:flex" src="https://mailtrack.io/trace/mail/d84a48ef89f3a126b3910eb52f23264c9d3c1c4c.png?u=6378851"></div>