By setting the number of Join/Leave event trap messages sent by Internet Group Management Protocol (IGMP) or Multicast Listener Discovery (MLD) per second, you can monitor IGMP or MLD events. Perform the following steps on the switch managed by the network management station.
The system view is displayed.
The multicast management information base (MIB) view is displayed.
The number of Join/Leave event trap messages sent by IGMP or MLD per second is set.
By default, IGMP or MLD does not send any trap message when IGMP or MLD does not send any trap messages when users join or leave multicast groups.