+
+ /**
+ * The FIB entry sourced by the tunnel for its destination prefix
+ */
+ fib_node_index_t fib_entry_index;
+
+ /**
+ * The tunnel is a child of the FIB entry for its desintion. This is
+ * so it receives updates when the forwarding information for that entry
+ * changes.
+ * The tunnels sibling index on the FIB entry's dependency list.
+ */
+ u32 sibling_index;
+
+ /**
+ * The index of the midchain adjacency created for this tunnel
+ */
+ adj_index_t adj_index[FIB_LINK_NUM];