Enable IPv6 PIM Snooping

The ipv6 pim snooping enable command enables snooping on a VLAN or a bridge domain. By default, IPv6 PIM snooping is enabled when IPv6 PIM is enabled on a Layer 3 VLAN interface. By default, IPv6 PIM snooping is disabled on a Layer 2 interface.

Enter global configuration mode.
```
device# configure terminal
```
Enter VLAN or bridge domain configuration mode.
```
device(config)# vlan 30
```

Enable IPv6 PIM snooping.

device(config-vlan-30)# ipv6 pim snooping enable