How to define Roles in P2MP in EVPN-MP In Flat Mode: I amreferring the FLAT model. node-roleis not there So I willfollow your logic PIOSXR-0 HUBPIOSXR-1..N SPOKEs
L2NM used hub and spoke terminology. Flat-L2 uses "tree" terminology ( ie. root/leaf ). The corresponding config for node-role in flat-L2 is called "leaf"