Create a Non-CLOS fabric containing border-leaf devices which can be used for the purpose of centralized routing.
efa fabric create --name <fabric-name> --type non-clos efa fabric device add-bulk --name <fabric-name> --rack <leaf-rack-name> --ip <leaf-ip-pair> --border-leaf-rack <bl-rack-name> --border-leaf-ip <bl-ip-pair> efa fabric configure --name <fabric-name>