[BEHAVE] [Technical Errata Reported] RFC6145 (4090)

RFC Errata System <rfc-editor@rfc-editor.org> Wed, 20 August 2014 16:48 UTC

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Subject: [BEHAVE] [Technical Errata Reported] RFC6145 (4090)
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The following errata report has been submitted for RFC6145,
"IP/ICMP Translation Algorithm".

--------------------------------------
You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=6145&eid=4090

--------------------------------------
Type: Technical
Reported by: Fernando Gont <fgont@si6networks.com>

Section: 6

Original Text
-------------
   1.  In the IPv4-to-IPv6 direction: if the MTU value of ICMPv4 Packet
       Too Big (PTB) messages is less than 1280, change it to 1280.
       This is intended to cause the IPv6 host and IPv6 firewall to
       process the ICMP PTB message and generate subsequent packets to
       this destination with an IPv6 Fragment Header.

Corrected Text
--------------
   1.  In the IPv4-to-IPv6 direction: if the MTU value of ICMPv4 Packet
       Too Big (PTB) messages is less than 1280, change it to 1280.
       This is intended to cause the IPv6 host and IPv6 firewall to
       process the ICMP PTB message.

Notes
-----
An ICMPv6 PTB message reporting an MTU equal to 1280 does not trigger IPv6 atomic fragments. Only ICMPv6 PTB < 1280 do.

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--------------------------------------
RFC6145 (draft-ietf-behave-v6v4-xlate-23)
--------------------------------------
Title               : IP/ICMP Translation Algorithm
Publication Date    : April 2011
Author(s)           : X. Li, C. Bao, F. Baker
Category            : PROPOSED STANDARD
Source              : Behavior Engineering for Hindrance Avoidance
Area                : Transport
Stream              : IETF
Verifying Party     : IESG