extern int ip_neighbor_config (ip_address_family_t af,
u32 limit, u32 age, bool recycle);
+extern int ip_neighbor_get_config (ip_address_family_t af, u32 *limit,
+ u32 *age, bool *recycle);
extern void ip_neighbor_del_all (ip_address_family_t af, u32 sw_if_index);