iii 
Configuring Maximum Multicast Groups that Can Be Joined on a Port········································4-16 
Configuring IPv6 Multicast Group Replacement ···········································································4-17 
Displaying and Maintaining MLD Snooping ··························································································4-18 
MLD Snooping Configuration Examples·······························································································4-19 
Configuring IPv6 Group Policy and Simulated Joining··································································4-19 
Static Port Configuration················································································································4-21 
MLD Snooping Querier Configuration ···························································································4-25 
Troubleshooting MLD Snooping ···········································································································4-26 
Switch Fails in Layer 2 Multicast Forwarding ················································································4-26 
Configured IPv6 Multicast Group Policy Fails to Take Effect························································4-27 
5 IPv6 Multicast VLAN Configuration ·········································································································5-1 
Introduction to IPv6 Multicast VLAN ·······································································································5-1 
IPv6 Multicast VLAN Configuration Task List ·························································································5-3 
Configuring IPv6 Sub-VLAN-Based IPv6 Multicast VLAN ······································································5-3 
Configuration Prerequisites ·············································································································5-3 
Configuring Sub-VLAN-Based IPv6 Multicast VLAN·······································································5-3 
Configuring Port-Based IPv6 Multicast VLAN·························································································5-4 
Configuration Prerequisites ·············································································································5-4 
Configuring User Port Attributes······································································································5-4 
Configuring IPv6 Multicast VLAN Ports···························································································5-5 
Displaying and Maintaining IPv6 Multicast VLAN ···················································································5-6 
IPv6 Multicast VLAN Configuration Examples························································································5-6 
Sub-VLAN-Based Multicast VLAN Configuration Example·····························································5-6 
Port-Based Multicast VLAN Configuration Example ·······································································5-9