Learning OpenStack Networking - Third Edition

Creating an external provider network

In order to provide instances with external connectivity, a Neutron router must be connected to a provider network eligible for use as an external network.

Using the openstack network create command, create a provider network in the admin project with the following attributes:

• Name: GATEWAY_NET
• Type: VLAN
• Segmentation ID: 30
• Physical Network: physnet1
• External: True

The following screenshot displays the resulting output of the openstack network create command:

Using the openstack subnet create command, create a subnet with the following attributes:

• Name: GATEWAY_SUBNET
• Network: 10.30.0.0
• Subnet Mask: ...