Final answer:
ICMPv6 uses the Neighbor Discovery Protocol (NDP) to facilitate neighbor discovery on an IPv6 network.
Step-by-step explanation:
ICMPv6 (Internet Control Message Protocol version 6) is used in IPv6 networks to facilitate neighbor discovery. The specific protocol supported by ICMPv6 for this purpose is the Neighbor Discovery Protocol (NDP). NDP is responsible for the following:
- Neighbor Solicitation (NS): Used to determine the link-layer address of a neighbor node.
- Neighbor Advertisement (NA): Sent as a response to NS messages to provide the requested information.
- Router Solicitation (RS): Sent by a host to discover local routers on the network.
- Router Advertisement (RA): Sent by routers to provide network configuration information to hosts.
By using NDP, hosts can discover and maintain information about neighbors in order to establish and maintain communication within an IPv6 network.