<div dir="ltr">Guys,<div><br></div><div>This problem that I'm facing, seems to be unrelated to OpenStack Neutron.</div><div><br></div><div>What I did?</div><div><br></div><div>Reconfigured my /etc/network/interfaces file with:</div><div><br></div><div>---</div><div><div>auto vlanXXXX</div><div>iface vlanXXXX inet manual</div><div> vlan_raw_device eth3</div><div><br></div><div>auto brqvlanXXXX-aa</div><div>iface brqvlanXXXX-aa inet manual</div><div> bridge_ports vlanXXXX</div><div> bridge_maxwait 5</div><div> bridge_fd 1</div><div> bridge_stp off</div></div><div>---</div><div><br></div><div>Started a KVM VM using:</div><div><br></div><div>---</div><div><div> <interface type='bridge'></div><div> <mac address='52:54:00:ba:46:c5'/></div><div> <source bridge='brqvlanXXXX-aa'/></div><div> <model type='virtio'/></div><div> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/></div><div> </interface></div></div><div>---</div><div><br></div><div>Same problem! So, OpenStack seems to have nothing to do with this problem that I'm facing...</div><div><br></div><div>I'll keep investigating it...</div><div><br></div><div>Cheers!</div><div>Thiago</div></div><div class="gmail_extra"><br><div class="gmail_quote">On 10 July 2015 at 14:14, Martinx - ジェームズ <span dir="ltr"><<a href="mailto:thiagocmartinsc@gmail.com" target="_blank">thiagocmartinsc@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Cynthia,<div><br></div><div> Attaching a "regular KVM Virtual Machine" directly to the bridge, also did not worked.</div><div><br></div><div> I'll try to create this eth3.XXXX, a LinuxBridge "brqxxxxzzzz-yy" on top of it and a new KVM VM, completely outside of OpenStack but, on top of this very same server.</div><div><br></div><div> Thanks again for the tip!</div><div><br></div><div>Thiago</div></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On 9 July 2015 at 22:58, Martinx - ジェームズ <span dir="ltr"><<a href="mailto:thiagocmartinsc@gmail.com" target="_blank">thiagocmartinsc@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi Cynthia,<div><br></div><div>That's actually a very good idea! I was thinking about this as well... But still did not tried it.</div><div><br></div><div>Basically I need to stop "nova-compute" and edit Instance configuration with "virsh edit instance-id"... Sound very easy to try...</div><div><br></div><div>Attaching an "alien" instance directly to the "<span style="font-size:12.8000001907349px">brq50b13311-fa" sounds even easier.</span></div><div><div><br>I'll definitively give it a try!</div></div><div><br></div><div>Thanks!</div></div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On 9 July 2015 at 05:20, Cynthia Lopes <span dir="ltr"><<a href="mailto:clsacramento@gmail.com" target="_blank">clsacramento@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi,<div><br></div><div>We had something similar once but the cause was a miss config in our LACP bonding... By your config you don't seem to be using bonding but maybe something external to neutron is causing you the problem.</div><div><br></div><div>If you manually launch a VM connected to the bridge <span style="font-size:12.8000001907349px">brq50b13311-fa, can you see the packets ?</span></div><div><br></div><div><span style="font-size:12.8000001907349px"><br></span></div><div class="gmail_extra"><div><div><br><div class="gmail_quote">2015-07-09 5:43 GMT+02:00 Kevin Benton <span dir="ltr"><<a href="mailto:blak111@gmail.com" target="_blank">blak111@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">I wonder if l2 population is interferring. Can you try disabling l2 population on the agent side so forwarding entries aren't being setup and see if the issue persists? </p>
<div class="gmail_quote"><div><div>On Jul 8, 2015 8:20 PM, "Martinx - ジェームズ" <<a href="mailto:thiagocmartinsc@gmail.com" target="_blank">thiagocmartinsc@gmail.com</a>> wrote:<br type="attribution"></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On 8 July 2015 at 22:50, Jerry Zhao <span dir="ltr"><<a href="mailto:xyzjerry@gmail.com" target="_blank">xyzjerry@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
Since you are using vxlan tunnel, have you increased the MTU on all
compute nodes and network node to accommodate the vxlan tunnel
packets?<br>
<br>
<a href="http://docs.openstack.org/juno/config-reference/content/networking-options-plugins-ml2.html" target="_blank">http://docs.openstack.org/juno/config-reference/content/networking-options-plugins-ml2.html</a></div></blockquote><div><br></div>Yes, all my VXLAN networks have MTU=1450.<div><br></div><div>I'm not seeing <u>any problems</u> with my VXLAN networks.</div><div><br></div><div>My problem lies exclusively within the "VLAN Provider Networks" / related Neutron LinuxBridges.</div><div><br></div><div>I'm attaching my Instances directly to a physical network of the Compute Node itself (1 tagged VLAN for each Instance). But, it doesn't work as expected.</div><div><br></div><div>Thanks! </div></div></div></div>
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<br></blockquote></div></div></div>Cynthia Lopes do Sacramento</div></div>
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