Configuration du multicast

Activation du multicast : 

-> ip multicast status enable
-> ip multicast querying enable
-> ip multicast zapping enable
-> ip multicast version 2
-> ip multicast querier-forwarding enable

Puis activation dans un vlan : 

-> ip multicast vlan 101 status enable
-> ip multicast vlan 101 zapping enable
-> ip multicast vlan 101 version 2
-> ip multicast vlan 101 proxying enable
-> ip multicast vlan 101 querier-forwarding enable

Vérification : 

-> show ip multicast vlan 101