NSX for vSphere creates a network virtualization layer on top of which all virtual networks are created. This layer is an abstraction between the physical and virtual networks. You configure NSX dynamic routing within the management cluster, deploying two NSX Edge devices and a Universal Distributed Logical Router (UDLR).
Procedure
Create a Universal Logical Switch for Use as the Transit Network in the Management Cluster in Region A Deploy NSX Edge Devices for North-South Routing in Region A Disable the Firewall Service in Region A Enable and Configure Routing in Region A Verify Peering of Upstream Switches and Establishment of BGP in Region A Deploy the Universal Distributed Logical Router in Region A Configure Universal Distributed Logical Router for Dynamic Routing in Region A Verify Establishment of BGP for the Universal Distributed Logical Router in Region A