7.5. Configuring External Bridge

We also need to define our external bridge for the OpenStack deployment. This bridge is usually named br-ex. Use the following procedure to set this value.
  1. Click the Advanced Configuration tab.
  2. Click the Edit button.
  3. Choose the Neutron service.
  4. Scroll to the External network bridge field and enter br-ex.
  5. Click the Apply button.
You have now defined the external bridge for your deployment.