Chapter 34. ICMPV6 ERROR MESSAGE TYPES AND FORMATS

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The original Internet Control Message Protocol (ICMP) defined for version 4 of the Internet Protocol (IPv4) has a number of error messages that allow for the communication of problems on an internetwork. When IP version 6 (IPv6) was developed, the differences between IPv4 and IPv6 were significant enough that a new version of ICMP was also required: version 6 (ICMPv6), which is currently specified in RFC 2463. Like ICMPv4, ICMPv6 defines several error messages for informing a source that something has gone wrong.

In this chapter, I describe the four ICMPv6 error messages defined in RFC 2463. I first ...

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