Configuring Layer 2 Multicast Configuring MLD Snooping
Configuration Guide  
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3.2  Using the CLI
3.2.1  Enabling MLD Snooping Globally
Step 1 configure
Enter global configuration mode.
Step 2 ipv6 mld snooping
Enable MLD Snooping Globally.
Step 3 show ipv6 mld snooping
Show the basic MLD snooping configuration.
Step 4 end
Return to privileged EXEC mode.
Step 5 copy running-config startup-config
Save the settings in the configuration file.
3.2.2  Enabling MLD Snooping on the Port
Step 1 configure
Enter global configuration mode.
Step 2 interface {fastEthernet 
port
 | range fastEthernet 
port-list
 | gigabitEthernet 
port
 | range 
gigabitEthernet 
port-list
 | port-channel 
port-channel-id 
| range port-channe 
port-channel-list
} 
Enter interface configuration mode.
Step 3 ipv6 mld snooping
Enable MLD Snooping on the specified port.
Step 4 show ipv6 mld snooping
Show the basic MLD snooping configuration.
Step 5 end
Return to privileged EXEC mode.
Step 6 copy running-config startup-config
Save the settings in the configuration file.
The following example shows how to enable MLD Snooping globally and enable MLD 
Snooping Switch#configure
Switch(config)#ipv6 mld snooping
Switch(config)#interface gigabitEthernet 1/0/3