Open Stack

Apart from type_driver, there are many other setting in 'ml2_conf.ini'.
Like below

[ml2]
mechanism_drivers=openvswitch
type_drivers=vlan,flat
tenant_network_types=vlan,flat

[ml2_type_flat]
flat_networks=Extnet

[ml2_type_vlan]
network_vlan_ranges=Intnet1:100:200

[ovs]
bridge_mappings=Intnet1:br-eth1, Extnet:br-ex

In above configuration I am using one flat External network 'Extnet'
and One vlan network 'Intnet1'.
I would suggest read through the documentation given in the config
file. It is a good starting point.
In case you need more info we have created a few blog posts that could
be of help.

https://fosskb.wordpress.com/2014/06/19/l2-connectivity-in-openstack-using-openvswitch-mechanism-driver/
https://fosskb.wordpress.com/2014/09/15/l3-connectivity-using-neutron-l3-agent/
https://fosskb.wordpress.com/2014/10/18/openstack-juno-on-ubuntu-14-10/

Do write back if you need any further information.

Thank you,

Ageeleshwar K



On Thu, Mar 19, 2015 at 11:31 AM, Mitchell Chen <mitchell.chen at mediatek.com>
wrote:

> Hi All,
>
> I have, step by step, followed the OpenStack icehouse installation guide
> to install control, compute and neutron nodes. They all run fine like
> OpenStack document describes. There is a GRE tunneling connection described
> in OpenStack installation guide from compute nodes to a neutron node. We
> currently plan to change the GRE tunneling connection to vlan, but I don't
> see the Openstack installation describes detail for setting up vlan.
>
> I can see the type driver need to be changed from gre to vlan in
> ml2_conf.ini files in all nodes. I also got a HP switch configured vlan
> trunk ports for each computer and neutron systems to replace the current
> flat switch in the physical private connection.
>
> Besides the above mentioned ml2_conf.ini change and physical connection
> change, is there anything else I need to do for setting the vlan connection
> to get the external/internal nets, subnets and the router to work again to
> build instances? I am going to do this work very soon and will appreciate
> advices from your experience.
>
> Thank you,
> Mitchell
>
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