A Leaf node must support the following criteria:
configuration of basic parameters of IP Multicast over Fabric Connect, such as the system ID, nickname, B-VLANs, SPBM instance, area, peer system ID and virtual BMAC
configuration of a physical port as either an SPB network-to-network interface (NNI), a FLEX-UNI interface or an FA interface
configuration of an MLT as either an SPB NNI, a FLEX-UNI interface or an FA interface
configuration of an SMLT as a Flex-UNI Interface or an FA Interface
configuration of Layer 2 VSN I-SID instances of type ELAN
configuration of FLEX-UNI end-points as part of a Layer 2 VSN
FA Server functionality on FA enabled interfaces
SMLT and vIST
configuration of a in-band management interface for in-band management of the node