IPv6 Neighbor Discovery || Cisco Network Academy || Router || Switch ||

IPv6 neighbor discovery protocol is sometimes referred to as ND or NDP. In this course, we will refer to it as ND. ND provides address resolution, router discovery, and redirection services for IPv6 using ICMPv6. ICMPv6 ND uses five ICMPv6 messages to perform these services:

Neighbor solicitation messages
Neighbor advertisement messages
Router solicitation messages
Router advertisement messages
Redirect message

Neighbor solicitation and neighbor advertisement messages are used for device-to-device messaging such as address resolution (similar to ARP for IPv4). Devices include both host computers and routers.

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