Chapter 5. ICMPv6
At the end of this chapter, you should be able to do the following:
Explain the purpose of ICMPv6 and the common structure of all ICMPv6 messages.
Describe the two types of ICMPv6 messages and how to distinguish them.
Define the four types of ICMPv6 error messages.
Explain the two types of ICMPv6 informational messages used for diagnostics.
Enumerate the common ICMPv4 messages and give their ICMPv6 equivalents.
Describe the path MTU (PMTU) discovery process for IPv6.
ICMPv6 Overview
Like IPv4, the specification for the Internet Protocol version 6 (IPv6) header and extension headers does not provide facilities for reporting errors. Instead, IPv6 uses an updated version of the Internet Control Message Protocol (ICMP) named ICMP version ...
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