[Openstack] Mitaka with OpenvSwitch, no VXLAN tunnels between compute and network nodes

Martinx - ジェームズ thiagocmartinsc at gmail.com
Thu Apr 21 19:05:03 UTC 2016


On 21 April 2016 at 15:54, Martinx - ジェームズ <thiagocmartinsc at gmail.com>
wrote:

>
> On 21 April 2016 at 15:52, Martinx - ジェームズ <thiagocmartinsc at gmail.com>
> wrote:
>
>> Guys,
>>
>>  I'm trying to deploy Mitaka on Xenial, using OpenvSwitch.
>>
>>  I am using the following documents:
>>
>>  http://docs.openstack.org/mitaka/install-guide-ubuntu
>>
>>
>> http://docs.openstack.org/mitaka/networking-guide/scenario-classic-ovs.html
>>
>>
>>  * The topology is like this:
>>
>>  1- Controller + Network Node;
>>
>>  2- Compute Node.
>>
>>  NOTE: Both have two NICs, em1 for management and services, and p1p1 for
>> VXLAN tunnels.
>>
>>
>>  However, I see no "vxlan peers" on the output of "ovs-vsctl show"...
>>
>>  So, Instances doesn't get IP from DHCP server, and if I try to configure
>> static IPs, Instances can only talk with each other (that are running on
>> the same, and uniq, compute node). Also, instances can't ping Neutron L2
>> Namespace router.
>>
>>  What I am missing?
>>
>> Thanks!
>> Thiago
>>
>
> BTW, I am using an Ansibe automation tool that I created for this. If I
> use the same roles, to deploy an "All in One" OpenStack box, with
> OpenvSwitch, of course, it works!
>
> Only when I split the Compute Node, out from the "Controller+Network"
> node, that it doesn't work anymore...
>

Also, I can create the Network and its Subnet, the Router attached to both
"External Net" and with a internal interface...

All network agents are up and running...

But, VXLAN tunnels, no connectivity....
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