RFC 8200, "Internet Protocol, Version 6 (IPv6) Specification", July 2017

Note: This RFC has been updated by RFC 9673

Errata ID: 5506
Status: Held for Document Update
Type: Editorial
Publication Format(s) : TEXT
Reported By: jiangmaoyong
Date Reported: 2018-09-27
Held for Document Update by: Suresh Krishnan
Date Held: 2020-02-03

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.

Notes:

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
Header.

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