Configuration Guide     336
Configuring Layer 2 Multicast Configuring MLD Snooping
The following example shows how to configure VLAN 5 as the multicast VLAN and replace 
the source IP in the MLD packets sent by the switch with FE80::02FF:FFFF:FE00:0001:
Switch#configure
Switch(config)#ipv6 mld snooping
Switch(config)#ipv6 mld snooping multi-vlan-config 5  replace-sourceip 
fe80::02ff:ffff:fe00:0001
Switch(config)#show ipv6 mld snooping multi-vlan
Multicast Vlan:Enable
  Vlan Id:  5
  Router Time:300
  Member Time:260
  Replace Source IP:fe80::2ff:ffff:fe00:1
  Static Router Port:None
  Dynamic Router Port:None
  Forbidden Router Port:None
Switch(config)#end
Switch#copy running-config startup-config
3.2.8  Configuring the Querier
Enabling MLD Querier
Step 1 configure
Enter global configuration mode.
Step 2 ipv6 mld snooping querier vlan 
vlan-id 
vlan-id 
specifies the VLAN to enable MLD Querier.
Step 3 show ipv6 mld snooping querier [vlan 
vlan-id 
]
Show the MLD querier configuration.
Step 4 end
Return to privileged EXEC mode.
Step 5 copy running-config startup-config
Save the settings in the configuration file.