[Openstack-operators] Stack with external vlan and intranet vlan

Ignazio Cassano ignaziocassano at gmail.com
Sat Aug 29 09:58:03 UTC 2015


Many thanks, Antonio.
I solved my minfiguration error.
Ignazio
Il giorno 29/ago/2015 11:24, "Antonio Messina" <antonio.s.messina at gmail.com>
ha scritto:

> 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.
>
> .a.
> Il 28/ago/2015 10:06 AM, "Ignazio Cassano" <ignaziocassano at gmail.com> ha
> scritto:
>
>> 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" ?
>>
>> Regards
>>
>> 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
>>> an
>>> > openvswtch bridge (br-ex) on the network node and add the nic
>>>  interface
>>> > 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
>>> are:
>>>
>>> [ml2]
>>> type_drivers = gre,vlan,vxlan
>>> mechanism_drivers = openvswitch
>>>
>>> [ml2_type_vlan]
>>> network_vlan_ranges = vlannet:1:4000
>>>
>>> [ovs]
>>> 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.
>>>
>>> .a.
>>>
>>> --
>>> 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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