[Openstack] [openstack][neutron] multiple vlan provider and tenant networks?

vladislav.belogrudov at oracle.com vladislav.belogrudov at oracle.com
Fri May 26 10:17:44 UTC 2017


Thanks Kevin!

so I can mix and match tenant and provider vlans now.

Vladislav


On 05/26/2017 11:48 AM, Kevin Benton wrote:
> assuming 'vlan' is in tenant_network_types, it will go through the 
> network_vlan_ranges you have defined. Since you haven't provided a 
> range for provider0 or provider1, it will not automatically allocate 
> from those.
>
> It will only automatically allocate from the two you have provided 
> ranges for (tenant-vlan2 and tenant-vlan3).
>
> On Wed, May 10, 2017 at 2:22 AM, <vladislav.belogrudov at oracle.com 
> <mailto:vladislav.belogrudov at oracle.com>> wrote:
>
>     Hi,
>
>     I wonder if it is possible to use multiple network interfaces /
>     bridge mappings for VLAN tenants and providers at the same time. 
>     E.g. in case of 1 VLAN network for tenant and 1 external VLAN how
>     does neutron bridge mapping work? User interface does not allow to
>     specify the mapping.
>
>     Example: 2 external VLAN interfaces and 2 tenant ones. In this
>     case neutron configuration would be:
>
>     |[ml2_type_vlan]
>     network_vlan_ranges
>     =provider0,provider1,tenant-vlan2:200:299,tenant-vlan3:300:399
>
>     [ovs]
>     bridge_mappings
>     =provider0:br-ext0,provider1:br-ext1,tenant-vlan2:br-vlan2,tenant-vlan3:br-vlan3|
>
>     How can neutron decide on choosing correct vlan mapping for
>     tenant? Will it pick provider0 if normal user creates a tenant
>     network?
>
>     Thanks,
>     Vladislav
>
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