13 * Link Local Addressing
20 Virtual Routing and forwarding (VRF)
21 ------------------------------------
22 * VRF scaling, thousands of tables.
23 * Controlled cross-VRF lookups
27 * Equal Cost Multi Path (ECMP)
28 * Unequal Cost Multi Path (UCMP)
38 * Neighbour discovery (ND)
40 * Router Advertisement
42 * Distributed Virtual Routing Resolution
44 Forwarding Information Base (FIB)
45 ---------------------------------
49 * Multi-million entry scalable
50 * Lockless/concurrent updates
52 * Next hop failure detection
53 * Shared FIB adjacencies