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

Kevin Benton kevin at benton.pub
Fri May 26 08:48:33 UTC 2017


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> 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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> k
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> k
>
>
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