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: 255.255.255.0
  • Gateway: 10.30.0.1
  • DHCP: Disabled
  • Allocation Pool: 10.30.0.100 - 10.30.0.254

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

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