- lbi = ip6_fib_table_fwding_lookup_with_if_index (im,
- vnet_buffer
- (b)->sw_if_index[VLIB_RX],
- &i->src_address);
+ fib_index = vec_elt (im->fib_index_by_sw_if_index,
+ vnet_buffer (b)->sw_if_index[VLIB_RX]);
+ fib_index =
+ (vnet_buffer (b)->sw_if_index[VLIB_TX] == (u32) ~ 0) ?
+ fib_index : vnet_buffer (b)->sw_if_index[VLIB_TX];