Subject: [Idr] [Errata Held for Document Update] RFC4271 (4496)

From: RFC Errata System <[email-masked]>
Date: Mon, 12 Oct 2015 05:49:02 -0700 (PDT)

The following errata report has been held for document update 
for RFC4271, "A Border Gateway Protocol 4 (BGP-4)". 

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You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=4271&eid=4496

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Status: Held for Document Update
Type: Editorial

Reported by: Alexander Okonnikov <[email-masked]>
Date Reported: 2015-10-10
Held by: Alvaro Retana (IESG)

Section: 9.1.1

Original Text
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... If the return value indicates the route is
      ineligible, the route MAY NOT serve as an input to the next phase
      of route selection; ...

Corrected Text
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... If the return value indicates the route is
      ineligible, the route MUST NOT serve as an input to the next phase
      of route selection; ...

Notes
-----
RFC 2119 does not define special word MAY NOT. Obviously, ineligible route must not be used in route selection.
====

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RFC4271 (draft-ietf-idr-bgp4-26)
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Title               : A Border Gateway Protocol 4 (BGP-4)
Publication Date    : January 2006
Author(s)           : Y. Rekhter, Ed., T. Li, Ed., S. Hares, Ed.
Category            : DRAFT STANDARD
Source              : Inter-Domain Routing
Area                : Routing
Stream              : IETF
Verifying Party     : IESG