Unless specified otherwise (in a document that covers operating IP When a router or the path to a routerįails, a host actively searches for functioning alternates. Of which neighbors are reachable and which are not, and to detectĬhanged link-layer addresses. Finally, nodes use the protocol to actively keep track To find neighboring routers that are willing to forward packets on Neighbors known to reside on attached links and to quickly purgeĬached values that become invalid. Neighbor Discovery to determine the link-layer addresses for This specification defines the Neighbor Discovery (ND) protocol for RFC 4861 Neighbor Discovery in IPv6 September 2007 1. 89 Appendix D: Summary of IsRouter Rules. 88 Appendix C: State Machine for the Reachability State. Sending Unsolicited Neighbor Advertisements. Sending Solicited Neighbor Advertisements. Address Resolution and Neighbor Unreachability Detection.
RFC 4861 Neighbor Discovery in IPv6 September 2007 7. Processing Received Router Advertisements.
Sending Unsolicited Router Advertisements. Validation of Router Advertisement Messages. Validation of Router Solicitation Messages. Garbage Collection and Timeout Requirements. RFC 4861 Neighbor Discovery in IPv6 September 2007ġ. IPv6 nodes on the same link use Neighbor Discovery toĭiscover each other's presence, to determine each other's link-layerĪddresses, to find routers, and to maintain reachability information This document specifies the Neighbor Discovery protocol for IP Official Protocol Standards" (STD 1) for the standardization stateĪnd status of this protocol. Please refer to the current edition of the "Internet
Internet community, and requests discussion and suggestions for This document specifies an Internet standards track protocol for the Neighbor Discovery for IP version 6 (IPv6) RFC 4861: Neighbor Discovery for IP version 6 (IPv6)