<div dir="ltr">Hi, <div><br></div><div>I am in the process of setting up a cluster of 4 CentOS 6.4</div><div>servers, with Neutron and VLAN. The current goal is to create </div><div>under the same tenant 3 subnets in different VLANs. Also, I've used</div>
<div>the following guides to do this:</div><div><br></div><div><a href="http://openstack.redhat.com/Neutron_with_OVS_and_VLANs">http://openstack.redhat.com/Neutron_with_OVS_and_VLANs</a><br></div><div><br></div><div><div>
<a href="http://docs.openstack.org/grizzly/openstack-network/admin/content/under_the_hood_openvswitch.html">http://docs.openstack.org/grizzly/openstack-network/admin/content/under_the_hood_openvswitch.html</a><br></div></div>
<div><br></div><div>I have tried alternative setups:</div><div><br></div><div>A. All services (including compute) on one host + 3 additional compute hosts.</div><div>B. All services (except compute) on one host + 3 additional compute hosts.</div>
<div><br></div><div>In case A, the guest VM is by default launched on the same host that</div><div>runs the rest of the services -- then the VM is reachable.</div><div><br></div><div>In case B, the VM is started on one of the compute hosts -- and then the guest</div>
<div>VMs are not reachable (though running on the compute nodes and viewable through the instance console) e.g.:</div><div><br></div><div><div>ip netns exec qrouter-b702c4e9-cb3a-4156-8412-f902363075f2 ping 10.0.103.5</div>
<div><br></div><div>PING 10.0.103.5 (10.0.103.5) 56(84) bytes of data.</div><div>From 10.0.103.1 icmp_seq=2 Destination Host Unreachable</div><div>From 10.0.103.1 icmp_seq=3 Destination Host Unreachable</div><div>From 10.0.103.1 icmp_seq=4 Destination Host Unreachable</div>
</div><div><br></div><div><br></div><div>I've double checked the security group and rules (to allow ssh and icmp).</div><div>Logs don't show anything interesting.</div><div><br></div><div>Questions:</div><div>* Do the compute hosts need any additional services set up (except the quantum-openvswitch-agent and openswitch)?</div>
<div><br></div><div>* Could you suggest any troubleshooting tips/techniques?</div><div><br></div><div>cheers,</div><div>/Nico</div><div><br></div></div>