[OSPF] [Technical Errata Reported] RFC6506 (3567)

RFC Errata System <rfc-editor@rfc-editor.org> Wed, 27 March 2013 12:38 UTC

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Date: Wed, 27 Mar 2013 05:37:52 -0700
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Subject: [OSPF] [Technical Errata Reported] RFC6506 (3567)
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The following errata report has been submitted for RFC6506,
"Supporting Authentication Trailer for OSPFv3".

--------------------------------------
You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=6506&eid=3567

--------------------------------------
Type: Technical
Reported by: Marek Karasek <mkarasek@cisco.com>

Section: 2.2

Original Text
-------------
   Consistent with OSPFv2 Cryptographic Authentication [RFC2328], both
   OSPFv3 header checksum calculation and verification are omitted when
   the OSPFv3 authentication mechanism described in this specification
   is used.


Corrected Text
--------------
OSPFv3 authentication mechanism provides capability to detect corruption of
OSPFv3 packet, which is under non authenticated operation achieved using OSPFv3
header checksum [RFC 5340] and LLS data block checksum [RFC 5613]. In spirit of
OSPFv2 Cryptographic Authentication [RFC2328], OSPFv3 header checksum and LLS 
Data Block Checksum calculation and verification are omitted when the OSPFv3
authentication mechanism described in this specification is used.

Notes
-----
RFC does not specify how to work with LLS Data Block Checksum. Errata suggests omit checksum calculation/verification in the same way like for OSPFv3 header checksum.

Instructions:
-------------
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--------------------------------------
RFC6506 (draft-ietf-ospf-auth-trailer-ospfv3-11)
--------------------------------------
Title               : Supporting Authentication Trailer for OSPFv3
Publication Date    : February 2012
Author(s)           : M. Bhatia, V. Manral, A. Lindem
Category            : PROPOSED STANDARD
Source              : Open Shortest Path First IGP
Area                : Routing
Stream              : IETF
Verifying Party     : IESG