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RFC 8425
Title: IANA Considerations for IPv6 Neighbor Discovery
Prefix Information Option Flags
Author: O. Troan
Status: Standards Track
Stream: IETF
Date: July 2018
Mailbox: ot@cisco.com
Pages: 4
Characters: 6692
Updates: RFC 4861
I-D Tag: draft-ietf-6man-ndpioiana-04.txt
URL: https://www.rfc-editor.org/info/rfc8425
DOI: 10.17487/RFC8425
The Prefix Information Option (PIO) in the IPv6 Neighbor Discovery
Router Advertisement message defines an 8-bit flag field; this field
has two flags defined, and the remaining 6 bits are reserved
(Reserved1). RFC 6275 defines a flag from this field without
creating an IANA registry or updating RFC 4861. The purpose of this
document is to create an IANA registry for the PIO flags. This
document updates RFC 4861.
This document is a product of the IPv6 Maintenance Working Group of the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
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