[Openstack-operators] Stack with external vlan and intranet vlan
antonio.s.messina at gmail.com
Sat Aug 29 09:24:03 UTC 2015
I have the same configuration on both network and compute nodes.
Tenant networks is set to gre,vxlan, but as admin you can also create vlan
networks if it's listed in type_drivers.
Il 28/ago/2015 10:06 AM, "Ignazio Cassano" <ignaziocassano at gmail.com> ha
> Hi Antonio, I tried the configuration you suggested in previous emails
> without success.
> I would be gratefull if you could give me further information:
> 1)Did you modify the ml2_conf.ini in the computing node or also in the
> neutron network node ?
> 2) Did yoy modify tenant_network_types (ath this time we configured
> "tenant_network_types = gre" but
> we presume we must use "gre, vlan" ?
> 2015-07-25 12:48 GMT+02:00 Antonio Messina <antonio.s.messina at gmail.com>:
>> On Sat, Jul 25, 2015 at 12:38 PM, Ignazio Cassano
>> <ignaziocassano at gmail.com> wrote:
>> > You are very kind, thank you.
>> > I have only anothe doubt.
>> > When in a normal scenario you create the external net, you also create
>> > openvswtch bridge (br-ex) on the network node and add the nic
>> > you have configuret for internet access.
>> > In our scenario we must have another interface in the intranet network :
>> > must we create a bridge and add the intranet interface?
>> > Must we modify any neutron configuration file to expose the new bridge ?
>> The standard configuration for vlan network applies. The setup I've
>> describe does not use an external router, so you will not pass through
>> the network node and will not use br-ex bridge.
>> I'm using ml2 with openvswitch, so the relevant options for ml2_conf.ini
>> type_drivers = gre,vlan,vxlan
>> mechanism_drivers = openvswitch
>> network_vlan_ranges = vlannet:1:4000
>> bridge_mappings = vlannet:br-vlan
>> br-vlan is an openvswitch bridge created on the compute node with:
>> ovs-vsctl -- --may-exist add-br br-vlan
>> ovs-vsctl -- --may-exist add-port br-vlan bond0
>> in my case, bond0 is an interface on the compute node in "trunk", so
>> that packets are received with the vlan tag on the node.
>> antonio.s.messina at gmail.com
>> antonio.messina at uzh.ch +41 (0)44 635 42 22
>> S3IT: Service and Support for Science IT http://www.s3it.uzh.ch/
>> University of Zurich
>> Winterthurerstrasse 190
>> CH-8057 Zurich Switzerland
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