June 2017
Beginner
688 pages
18h 36m
English
book
IPv6 Fundamentals: A Straightforward Approach to Understanding IPv6, 2nd Edition
by Rick Graziani
Content preview from IPv6 Fundamentals: A Straightforward Approach to Understanding IPv6, 2nd EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 13. ICMPv6 Neighbor Discovery
As you saw in Chapter 12, “ICMPv6,” ICMPv6 has its roots in ICMPv4. ICMPv6 informational and error messages are very similar to those in ICMPv4. However, the addition of ICMPv6 Neighbor Discovery Protocol (ND) makes ICMPv6 a much more robust protocol, with new features and enhancements not found in its ICMPv4 counterpart.
ICMPv6 ND is defined in RFC 4861, Neighbor Discovery for IP Version 6 (IPv6). Neighbor Discovery includes similar processes as in IPv4, such as address resolution, router discovery, and redirect, but also with some significant differences. ICMPv6 ND also includes new functionality such as prefix discovery, Duplicate Address Detection (DAD), and Neighbor Unreachability Detection (NUD).
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