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IS-IS Prefix Attributes for Extended IPv4 and IPv6 Reachability

Approval announcement
Draft of message to be sent after approval:


From: The IESG <>
To: "IETF-Announce" <>
Cc:,,,, "Christian Hopps" <>, "The IESG" <>,,
Subject: Protocol Action: 'IS-IS Prefix Attributes for Extended IP and IPv6 Reachability' to Proposed Standard (draft-ietf-isis-prefix-attributes-04.txt)

The IESG has approved the following document:
- 'IS-IS Prefix Attributes for Extended IP and IPv6 Reachability'
  (draft-ietf-isis-prefix-attributes-04.txt) as Proposed Standard

This document is the product of the IS-IS for IP Internets Working Group.

The IESG contact persons are Alvaro Retana, Alia Atlas and Deborah

A URL of this Internet Draft is:

Ballot Text

Technical Summary

This document introduces new sub-TLVs to support advertisement of
prefix attribute flags and the source router ID of the router which
originated a prefix advertisement.

Working Group Summary

There was no controversy in the WG over this draft.

Document Quality

There is good interest in the industry to implementing this standard.


  Shepherd: Christian Hopps.
  AD: Alia Atlas.

RFC Editor Note