RFC 8200, "Internet Protocol, Version 6 (IPv6) Specification", July 2017Source of RFC: 6man (int)
Errata ID: 5506
Reported By: jiangmaoyong
Date Reported: 2018-09-27
Section Appendix B. says:
- Updated the Fragmentation header text to correct the inclusion of an Authentication Header (AH) and noted No Next Header case.
It should say:
- Updated the Fragmentation header text to correct the inclusion the Encapsulating Security Payload (ESP) and noted No Next Header case.
The Extension headers are all other extension headers that are not
included in the Per-Fragment headers part of the packet. For this
purpose, the Encapsulating Security Payload (ESP) is not
considered an extension header. The Upper-Layer header is the
first upper-layer header that is not an IPv6 extension header.
Examples of upper-layer headers include TCP, UDP, IPv4, IPv6,
ICMPv6, and as noted ESP.
The Fragmentable Part consists of the rest of the packet after the
upper-layer header or after any header (i.e., initial IPv6 header
or extension header) that contains a Next Header value of No Next