/* Send an ARP request to see if given destination is reachable on given interface. */
clib_error_t *ip4_probe_neighbor (vlib_main_t * vm, ip4_address_t * dst,
- u32 sw_if_index);
+ u32 sw_if_index, u8 refresh);
clib_error_t *ip4_set_arp_limit (u32 arp_limit);