[Openstack] A little lost with ovs + vxlan on home lab.

Randy.Perryman at dell.com Randy.Perryman at dell.com
Fri Jul 7 20:14:40 UTC 2017


Dell - Internal Use - Confidential  

Hi,

Here is a couple of links describing tracking your packets:

https://www.openstack.org/summit/boston-2017/summit-schedule/events/18338/the-case-of-the-missing-packet
 
and 
https://www.openstack.org/videos/boston-2017/neutron-where-did-my-packets-go


-Randy

> -----Original Message-----
> From: John Fleming [mailto:john at spikefishsolutions.com]
> Sent: Friday, July 7, 2017 3:01 PM
> To: openstack at lists.openstack.org
> Subject: [Openstack] A little lost with ovs + vxlan on home lab.
> 
> Hi all, I've recently made my 6th or 7th attempt at openstack. I'm attempting
> on ubuntu 16.04 with Ocata. I'm pretty at home with unix and have a fairly
> solid networking back ground. That being said this has been a kick in the
> giblets. On the plus side its given me a reason to say "kicked in the giblets" on
> a public forum.
> 
> So before i get too far into this my goal is to be able to spin up random VMs,
> some of which will be multi homed VMs (testing router based VMs basically).
> Something kind of like what Cisco made with Virl or GNS3. What i'm looking
> to do however is extend some of the networks so they can be connected to
> remotely across a vxlan tunnel. I hope that makes sense. Basically i want to
> use openstack to control all the plumbing to spin up VM and create dhcp for
> each network and use vxlan to bolt remote hosts onto the networks and
> have dhcp served up if requested.
> 
> Now I don't think my understanding of openstack is there yet to even make
> this work so i'd like to just baby step into this. Here is a link to my topology.
> I'd completely settle for just being able to spin up a single cirros VM and then
> maybe give it internet access.
> 
> 10.0.0.0/24 API
> 10.0.1.0/24 VXLAN
> 192.168.1.0 my external network, leads to inet. private IPs here still.
> 
> Here is a link to the gear i have setup.
> 
> https://drive.google.com/file/d/0BzVazG9WRlQAVHQ5aUVnVVRCVDA/view
> ?usp=sharing
> 
> I've throw a lot against to wall to see what sticks so things are fairly messy at
> this point. No problem throwing everything a way and starting from scratch
> (again).
> 
> configs dumps
> 
> https://drive.google.com/file/d/0BzVazG9WRlQAaUlJNDJBdU9VdXM/view?
> usp=sharing
> 
> In the past i've see the dhcp netns get created on the controller but i've
> never seen it get created on the compute node. Again much was thrown
> again said wall. Currently a lot has been wiped away. The current status is i
> just blew away all the databases and recreated everything and with network.
> 
> 
> Thanks all!
> 
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