To configure the DLR, the following prerequisites must be met:

• The user must have an NSX enterprise administrator or NSX administrator role
• The local segment ID and transport zone must be configured, as described in Chapter 2, Configuring VMware NSX Logical Switch Networks
• The NSX controllers must be deployed and available
• The ESXi cluster the DLR will be deployed to must be on the same transport zone as the logical switches that will connect to it
• The target ESXi hosts must have sufficient capacity to run the DLR control virtual machine
• The logical switches, as depicted in the preceding routing topology diagram, have been created
• The VXLAN-backed Portgroup (logical switch) is available to be used for the DLR Control VM (DLR CVM) high-availability interface

For reference, the logical switches that should be created are: