The following errata report has been verified for RFC8505,
"Registration Extensions for IPv6 over Low-Power Wireless Personal Area Network 
(6LoWPAN) Neighbor Discovery". 

--------------------------------------
You may review the report below and at:
https://www.rfc-editor.org/errata/eid8484

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Status: Verified
Type: Technical

Reported by: Adnan Rashid <[email protected]>
Date Reported: 2025-06-26
Verified by: Éric Vyncke (IESG)

Section: 9.1

Original Text
-------------
                +-------------+--------------+------------+
                |  ARO Status | Description  | Reference  |
                +-------------+--------------+------------+
                |     0-5     | Unassigned   |            |
                |             |              |            |
                |      6      | R Flag       | RFC 8505   |
                |             |              |            |
                |      7      | T Flag       | RFC 8505   |
                +-------------+--------------+------------+

              Table 2: New Address Registration Option Flags

Corrected Text
--------------
                +-------------+--------------+------------+
                |  Bit number | Description  | Reference  |
                +-------------+--------------+------------+
                |     0-3     | Unassigned   |            |
                |             |              |            |
                |     4-5     | I Field      | RFC 8505   |
                |             |              |            | 
                |      6      | R Flag       | RFC 8505   |
                |             |              |            |
                |      7      | T Flag       | RFC 8505   |
                +-------------+--------------+------------+

              Table 2: New Address Registration Option Flags

Notes
-----
Table 2 must use 'ARO Flags' or 'ARO Flags Field' instead of 'ARO Status,' 
avoiding conflict with the Status field. Additionally, the 2-bit I-Field (bits 
4 and 5) defined in Section 4 is missing, making bits 0-3 unassigned instead of 
0-5.

---- Verifier's notes ----
The table should have the same headings as the IANA registry 
https://www.iana.org/assignments/icmpv6-parameters/icmpv6-parameters.xhtml#icmpv6-adress-registration-option-flags
 (i.e., 'bit number').

--------------------------------------
RFC8505 (draft-ietf-6lo-rfc6775-update-21)
--------------------------------------
Title               : Registration Extensions for IPv6 over Low-Power Wireless 
Personal Area Network (6LoWPAN) Neighbor Discovery
Publication Date    : November 2018
Author(s)           : P. Thubert, Ed., E. Nordmark, S. Chakrabarti, C. Perkins
Category            : PROPOSED STANDARD
Source              : IPv6 over Networks of Resource-constrained Nodes
Stream              : IETF
Verifying Party     : IESG

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