Operation Manual – MulticastH3C S5500-EI Series Ethernet Switches Chapter 3 MLD Snooping Configuration3-19Layer 2 device, the Layer 3 device directly connected with it will receive duplicate MLDreports from these members.With the MLD report suppression function enabled, within a query interval, the Layer 2device forwards only the first MLD report of an IPv6 group to the Layer 3 device and willnot forward the subsequent MLD reports from the same multicast group to the Layer 3device. This helps reduce the number of packets being transmitted over the network.Follow these steps to configure MLD report suppression:To do... Use the command... RemarksEnter system view system-view —Enter MLD Snooping view mld-snooping —Enable MLD reportsuppression report-aggregation OptionalEnabled by default3.6.6 Configuring Maximum Multicast Groups that that Can Be Joined on a PortBy configuring the maximum number of IPv6 multicast groups that can be joined on aport or a group of ports, you can limit the number of multicast programs available toVOD users, thus to control the traffic on the port.Follow these steps configure the maximum number of IPv6 multicast groups that canbe joined on a port or a group of ports:To do... Use the command... RemarksEnter system view system-view —EnterEthernetport viewinterface interface-typeinterface-numberEnter thecorrespondingview Enter portgroupviewport-group { manualport-group-name |aggregation agg-id }Use eithercommandConfigure the maximumnumber of IPv6 multicastgroups that can be joined ona portmld-snooping group-limitlimit [ vlan vlan-list ]OptionalThe default is 512.
