[Openstack] Openstack Kilo Vxlan tunnel single NIC setup

Amir Huskić amir.huskic at gmail.com
Wed Oct 14 07:38:28 UTC 2015


Hello,

there is also my ml2_conf.ini file:
https://dl.dropboxusercontent.com/u/4298410/ml2_conf.ini

Could problem be related to single NIC installation? Is it possible to have
same interface for bridge mappings and also for tunnel bridge? Example
below:

bridge_mappings = public:br-ex
integration bridge = br-int
tunnel bridge = br-ex

Thank you.
Regards,
Amir


On Mon, Oct 12, 2015 at 3:53 PM, Amir Huskić <amir.huskic at gmail.com> wrote:

> Hi all,
>
> I'm trying to setup up Openstack test lab.
>
> I deployed Openstack Kilo (Devstack) on PC running Ubuntu LTS 14.02 with
> single NIC.
> Tenants are isolated with vxlan networks. I can ping from VMs to external
> network PCs, SSH login from external PCs to tenants VMs floating IP
> address, etc.
>
> I would like also to connect tenant VMs to external network physical Linux
> host using vxlan tunnel and have L2 connectivity between VM and physical
> Linux host over L3 network.
>
> Vxlan interface on Linux physical host is up and running. When I am trying
> to ping from Linux physical host to Openstack VM (not floating IP) using
> same subnet L2 address (example ping from 192.168.10.10 to 192.168.10.11)
> UDP packets on port 8472 are coming to Openstack br-ex interface with ARP
> request.
>
> Problem is that I can't setup vxlan tunnel on Openstack.
> Command "sudo ovs-vsctl show" doesn't show any vxlan tunnels.
> Also when I try to ping from VM to Linux host using L2 IP address (ping
> from 192.168.10.11 to 192.168.10.10) tcpdump on br-ex doesn't show anything.
>
> My ml2_conf.ini files is configured following this guide:
> http://www.opencloudblog.com/?p=300
>
> Thanks in advance for your help,
>
> Regards,
> Amir
>
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