1-15To do... Use the command... RemarksConfigure an IPv6 multicastgroup filtermld-snooping group-policyacl6-number [ vlan vlan-list ]RequiredBy default, no group filter isconfigured on the currentport, that is, hosts on this portcan join any valid IPv6multicast group.Configuring IPv6 Multicast Source Port FilteringWith the IPv6 multicast source port filtering feature enabled on a port, the port can be connected withIPv6 multicast receivers only rather than with multicast sources, because the port will block all IPv6multicast data packets while it permits multicast protocol packets to pass.If this feature is disabled on a port, the port can be connected with both multicast sources and IPv6multicast receivers.Configuring IPv6 multicast source port filtering globallyFollow these steps to configure IPv6 multicast source port filtering:To do... Use the command... RemarksEnter system view system-view —Enter MLD Snooping view mld-snooping —Enable IPv6 multicast sourceport filtering source-deny port interface-list RequiredDisabled by defaultConfiguring IPv6 multicast source port filtering on a port or a group of portsFollow these steps to configure IPv6 multicast source port filtering on a port or a group of ports:To do... Use the command... RemarksEnter system view system-view —interface interface-typeinterface-numberEnter Ethernet port view or portgroup view port-group manualport-group-nameRequiredUse either approachEnable IPv6 multicast sourceport filtering mld-snooping source-deny RequiredDisabled by defaultSome models of devices, when enabled to filter IPv6 multicast data based on the source ports, areautomatically enabled to filter IPv4 multicast data based on the source ports.