<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hello,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We currently use the flat ml2 driver in our Openstack setup (around 500 nodes). <o:p></o:p></p><p class=MsoNormal>We now want to change to a network vendor specific ml2 driver. So the legacy compute nodes will use the flat network and compute nodes added in the future will use the network based on the new ml2 vendor plugin.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Question is it possible to mix two network setups like described above? We don’t use regions could this be a possible solution?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Any help and answer appreciated.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Cheers<o:p></o:p></p><p class=MsoNormal>Chris<o:p></o:p></p></div></body></html>