2862084

IETF RFC 9131 [ Active ]

Gratuitous Neighbor Discovery: Creating Neighbor Cache Entries on First‑Hop Routers

standard by Internet Engineering Task Force , 10/01/2021

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Abstract

Neighbor Discovery (RFC 4861) is used by IPv6 nodes to determine the link-layer addresses of neighboring nodes as well as to discover and maintain reachability information. This document updates RFC 4861 to allow routers to proactively create a Neighbor Cache entry when a new IPv6 address is assigned to a node. It also updates RFC 4861 and recommends that nodes send unsolicited Neighbor Advertisements upon assigning a new IPv6 address. These changes will minimize the delay and packet loss when a node initiates connections to an off-link destination from a new IPv6 address.

 

Product Details

Edition:
21
Published:
10/01/2021
Number of Pages:
20
File Size:
1 file , 260 KB