[Isis-wg] [Technical Errata Reported] RFC6822 (4519)

RFC Errata System <rfc-editor@rfc-editor.org> Mon, 02 November 2015 06:46 UTC

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Subject: [Isis-wg] [Technical Errata Reported] RFC6822 (4519)
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The following errata report has been submitted for RFC6822,
"IS-IS Multi-Instance".

--------------------------------------
You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=6822&eid=4519

--------------------------------------
Type: Technical
Reported by: Alexander Okonnikov <alexander.okonnikov@gmail.com>

Section: 2.4.1

Original Text
-------------
   MI-RTRs include the IID-TLV in the point-to-point Hello PDUs they
   originate.

Corrected Text
--------------
   MI-RTRs include the IID-TLV in the point-to-point Hello PDUs they
   originate.  IID-TLV is included in the point-to-point Hello PDUs for 
   standard instance (IID #0) as well, unless MI-RTR is operating in 
   point-to-point mode over broadcast circuit [RFC5309].

Notes
-----
As soon as PDUs of non-zero instances are isolated from ones of standard instance by virtue of new dedicated MAC addresses, including IID TLV in PDUs of standard instance is needless, while operating in point-to-point mode over broadcast circuit. Also, following rule in section 2.6.1, such PDUs (containing IID=0) must be dropped (keeping in mind that point-to-point mode over broadcast circuit can utilize AllL1ISs or AllL2ISs MAC addresses in addition to AllISs one).

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--------------------------------------
RFC6822 (draft-ietf-isis-mi-08)
--------------------------------------
Title               : IS-IS Multi-Instance
Publication Date    : December 2012
Author(s)           : S. Previdi, Ed., L. Ginsberg, M. Shand, A. Roy, D. Ward
Category            : PROPOSED STANDARD
Source              : IS-IS for IP Internets
Area                : Routing
Stream              : IETF
Verifying Party     : IESG