Re: [Openstack-operators] [neutron] multiple external networks on the same host NIC

2015-04-27 Thread Uwe Sauter
Am 27.04.2015 um 16:36 schrieb Mike Spreitzer: Uwe Sauter uwe.sauter...@gmail.com wrote on 04/25/2015 04:17:35 PM: Or instead of using Linux bridges you could use a manually created OpenVSwitch bridge. This allows you to add internal ports that could be used by Neutron like any other

Re: [Openstack-operators] [neutron] multiple external networks on the same host NIC

2015-04-27 Thread Mike Spreitzer
Uwe Sauter uwe.sauter...@gmail.com wrote on 04/25/2015 04:17:35 PM: Or instead of using Linux bridges you could use a manually created OpenVSwitch bridge. This allows you to add internal ports that could be used by Neutron like any other interface. - Create OVS bridge - Add your external

Re: [Openstack-operators] [neutron] multiple external networks on the same host NIC

2015-04-27 Thread Mike Spreitzer
Uwe Sauter uwe.sauter...@gmail.com wrote on 04/27/2015 10:54:15 AM: Am 27.04.2015 um 16:36 schrieb Mike Spreitzer: Uwe Sauter uwe.sauter...@gmail.com wrote on 04/25/2015 04:17:35 PM: Or instead of using Linux bridges you could use a manually created OpenVSwitch bridge. This allows you

Re: [Openstack-operators] [neutron] multiple external networks on the same host NIC

2015-04-27 Thread Adam Lawson
So quickly since I'm working on a similar use case: What are the requirements to implement multiple external networks on the same NIC if we *can* use VLAN tags? Is it as simple as adding the external network to Neutron the same way we did with the existing external network and trunk that subnet

Re: [Openstack-operators] [neutron] multiple external networks on the same host NIC

2015-04-27 Thread Mike Spreitzer
Uwe Sauter uwe.sauter...@gmail.com wrote on 04/27/2015 01:22:35 PM: if I understood Georges answer correctly he suggested one bridge (br-join, either OVS or linux bridge) to connect other bridges via patch links, one for each external network you'd like to create. These second level

Re: [Openstack-operators] [neutron] multiple external networks on the same host NIC

2015-04-27 Thread gustavo panizzo (gfa)
On 2015-04-27 22:59, Mike Spreitzer wrote: Uwe Sauter uwe.sauter...@gmail.com wrote on 04/27/2015 10:54:15 AM: What I suggested later on is that you probably don't need any second level bridge at all. Just create a second/third external network with appropriate CIDR. As long as those

Re: [Openstack-operators] [neutron] multiple external networks on the same host NIC

2015-04-27 Thread Mike Spreitzer
gustavo panizzo (gfa) g...@zumbi.com.ar wrote on 04/27/2015 11:23:13 AM: On 2015-04-27 22:59, Mike Spreitzer wrote: Uwe Sauter uwe.sauter...@gmail.com wrote on 04/27/2015 10:54:15 AM: What I suggested later on is that you probably don't need any second level bridge at all. Just create a

Re: [Openstack-operators] [neutron] multiple external networks on the same host NIC

2015-04-27 Thread Uwe Sauter
Am 27.04.2015 um 17:23 schrieb gustavo panizzo (gfa): you can only have one flat network per bridge. I didn't know that. Well, than the only idea that comes to *my* mind is to have cascading bridges like George suggested. It won't matter if you use Linux bridges or OVS. I heard that OVS

Re: [Openstack-operators] KVM Forum 2015 Call for Participation

2015-04-27 Thread Daniel P. Berrange
A friendly reminder that KVM Forum 2015 accepts proposal submissions until this coming Friday. Thanks on behalf of the KVM Forum 2015 Program Committee. Daniel On Wed, Mar 18, 2015 at 09:51:31AM +, Daniel P. Berrange wrote: =

Re: [Openstack-operators] [neutron] multiple external networks on the same host NIC

2015-04-27 Thread Mike Spreitzer
gustavo panizzo (gfa) g...@zumbi.com.ar wrote on 04/27/2015 11:23:13 AM: On 2015-04-27 22:59, Mike Spreitzer wrote: Uwe Sauter uwe.sauter...@gmail.com wrote on 04/27/2015 10:54:15 AM: What I suggested later on is that you probably don't need any second level bridge at all. Just

Re: [Openstack-operators] [neutron] multiple external networks on the same host NIC

2015-04-27 Thread Mike Spreitzer
Uwe Sauter uwe.sauter...@gmail.com wrote on 04/27/2015 10:54:15 AM: Am 27.04.2015 um 16:36 schrieb Mike Spreitzer: Uwe Sauter uwe.sauter...@gmail.com wrote on 04/25/2015 04:17:35 PM: Or instead of using Linux bridges you could use a manually created OpenVSwitch bridge. This allows you

Re: [Openstack-operators] [neutron] multiple external networks on the same host NIC

2015-04-27 Thread Uwe Sauter
if I understood Georges answer correctly he suggested one bridge (br-join, either OVS or linux bridge) to connect other bridges via patch links, one for each external network you'd like to create. These second level bridges are then used for the Neutron configuration: