<div dir="ltr">Hi Jay,<div class="gmail_extra"><br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im"><span style="color:rgb(34,34,34)">What version of OVS did you deploy? There's a bad bug/behavior in OVS 1.04 that can result in circular routes in the GRE mesh, which we saw entirely take down an entire deployment zone with tenant traffic swamping the bonded NIC that was housing the GRE overlay network. Upgrading to OVS 1.10 and then 1.11 solved that issue along with some scripting...</span></div>
</blockquote><div><br></div><div>OVS 1.10 is available in the Ubuntu havana repo. I'm using the Raring 3.8 kernel available in the standard 12.04 repo. The standard 12.04 repo also includes OVS 1.9 kernel module to compile with the 3.8 kernel.</div>
<div><br></div><div>So, long story short: OVS 1.10 with 1.9 kernel module. </div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im"><span style="color:rgb(34,34,34)">Are you using a multi-plexed neutron server (workers config option > 1)?</span><br>
</div></blockquote><div><br></div><div>I haven't explicitly set this option as I didn't know it existed. Do you have a reference for this option? I did a quick scan/grep of the neutron config files and didn't see a reference to workers.</div>
<div><br></div><div>Thanks,</div><div>Joe</div></div></div></div>