Open Stack

Hi,

I'm running openstack (IceHouse) configured for provider networks.

For a tenant i've created the network/ subnet using the below commands and
everything works as expected.

neutron net-create --tenant-id f557a3f5303d4e7c9218c5539456eb37
--provider:physical_network=physnet2 --provider:network_type=vlan
--provider:segmentation_id=315 ih-lwr-ci-provider-vlan315

neutron subnet-create Openstack-External-vlan55 10.82.42.0/24 --name
Openstack-External-vlan55-subnet --no-gateway --host-route destination=
0.0.0.0/0,nexthop=10.82.42.1 --allocation-pool
start=10.82.42.223,end=10.82.42.254

Now my questions/ use cases are:

   1. For a 2nd tenant, can i map it to the same subnet created for tenant
   1? If the answer is to create same net/ subnet (same segmentation_id -
   i.e vlans) for tenant 2, how will dhcp agent avoid IP duplication.
   2. Is having multiple tenants pointing to same provider network (net/
   subnet/ vlan) is not possible what options do i have? Only to create a
   new net/ subnet based on new vlan and allocated to tenant 2?


Cheers,

Dani
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