4-25MLD Snooping Querier ConfigurationNetwork requirementsz As shown in Figure 4-5, in a Layer-2-only network environment, two multicast sources Source 1and Source 2 send IPv6 multicast data to multicast groups FF1E::101 and FF1E::102 respectively,Host A and Host C are receivers of multicast group FF1E::101, while Host B and Host D arereceivers of multicast group FF1E::102.z MLDv1 is enabled on all the receivers and MLDv1 Snooping is enabled on all the switches. SwitchA, which is close to the multicast sources, is chosen as the MLD Snooping querier.Network diagramFigure 4-5 Network diagram for MLD Snooping querier configurationConfiguration procedure1) Configure Switch A# Enable IPv6 forwarding and enable MLD Snooping globally. system-view[SwitchA] ipv6[SwitchA] mld-snooping[SwitchA-mld-snooping] quit# Create VLAN 100 and assign GigabitEthernet 1/0/1 through GigabitEthernet 1/0/3 to VLAN 100.[SwitchA] vlan 100[SwitchA-vlan100] port gigabitethernet 1/0/1 to gigabitethernet 1/0/3# Enable MLD Snooping and configure MLD Snooping querier feature in VLAN 100.[SwitchA-vlan100] mld-snooping enable[SwitchA-vlan100] mld-snooping querier[SwitchA-vlan100] quit2) Configure Switch B# Enable IPv6 forwarding and enable MLD Snooping globally. system-view
