The command is feature pim. NX-OSの場合, multicast is enabled only after enabling the PIM or PIM6 feature on each router and then enabling PIM or PIM6 sparse mode on each interface that you want to participate in multicast.
例えば:
スイッチ(構成)#feature pim スイッチ(構成)#interface Vlan[536] スイッチ(構成-if)#ip pim sparse-mode See Cisco Nexus 7000 Series NX-OS Multicast Routing Configuration Guide, Release 5.xfor a complete configuration guide.