int igmp_listen(vlib_main_t *vm, u8 enable, u32 sw_if_index, const ip46_address_t *saddr, const ip46_address_t *gaddr)
igmp listen (RFC3376 Section 2).
int igmp_enable_disable(u32 sw_if_index, u8 enable, u8 mode)
IGMP interface enable/disable Called by a router to enable/disable the reception of IGMP messages...