iiiConfiguring Maximum Multicast Groups that Can Be Joined on a Port········································4-16Configuring IPv6 Multicast Group Replacement ···········································································4-17Displaying and Maintaining MLD Snooping ··························································································4-18MLD Snooping Configuration Examples ·······························································································4-19Configuring IPv6 Group Policy and Simulated Joining··································································4-19Static Port Configuration················································································································4-21MLD Snooping Querier Configuration ···························································································4-25Troubleshooting MLD Snooping ···········································································································4-26Switch Fails in Layer 2 Multicast Forwarding ················································································4-26Configured IPv6 Multicast Group Policy Fails to Take Effect························································4-275 IPv6 Multicast VLAN Configuration ·········································································································5-1Introduction to IPv6 Multicast VLAN ·······································································································5-1IPv6 Multicast VLAN Configuration Task List ·························································································5-3Configuring IPv6 Sub-VLAN-Based IPv6 Multicast VLAN ······································································5-3Configuration Prerequisites ·············································································································5-3Configuring Sub-VLAN-Based IPv6 Multicast VLAN·······································································5-3Configuring Port-Based IPv6 Multicast VLAN·························································································5-4Configuration Prerequisites ·············································································································5-4Configuring User Port Attributes······································································································5-4Configuring IPv6 Multicast VLAN Ports···························································································5-5Displaying and Maintaining IPv6 Multicast VLAN ···················································································5-6IPv6 Multicast VLAN Configuration Examples························································································5-6Sub-VLAN-Based Multicast VLAN Configuration Example·····························································5-6Port-Based Multicast VLAN Configuration Example ·······································································5-9