The IPv6 neighbor discovery (ND) multicast suppress feature stops as many ND multicast neighbor solicit (NS) messages as possible
by dropping them (and responding to solicitations on behalf of the targets) or converting them into unicast traffic. This
feature runs on a layer 2 switch and is used to reduce the amount of control traffic necessary for proper link operations.
When an address is inserted into the binding table, an address resolution request sent to a multicast address is intercepted,
and the device either responds on behalf of the address owner or, at layer 2, converts the request into a unicast message
and forwards it to its destination.
To configure IPv6 ND suppress policy, perform this procedure: