+
+ /**
+ * Next hop after ip4-lookup.
+ * This is not accessed in the rewrite nodes.
+ * 1-bytes
+ */
+ ip_lookup_next_t lookup_next_index;
+
+ /**
+ * link/ether-type
+ * 1 bytes
+ */
+ vnet_link_t ia_link;
+
+ /**
+ * The protocol of the neighbor/peer. i.e. the protocol with
+ * which to interpret the 'next-hop' attributes of the sub-types.
+ * 1-bytes
+ */
+ fib_protocol_t ia_nh_proto;
+
+ /**
+ * Flags on the adjacency
+ * 1-bytes
+ */
+ adj_flags_t ia_flags;
+
+ /**
+ * Free space on the fourth cacheline (not used in the DP)
+ */
+ u8 __ia_pad[48];