This tab is present for all AWS clouds and Euca VPC-enabled clouds only.
This step allows you to define a VPC network and assign a security group to your load balancer.
Select the name of the VPC from the VPC network drop-down list.
For a non-VPC AWS cloud, select No VPC.
The Security groups option displays if a VPC network is selected.
Select a security group to assign to the network from the Security groups
drop-down list.