[Lsr] [Technical Errata Reported] RFC2328 (5611)

RFC Errata System <rfc-editor@rfc-editor.org> Tue, 22 January 2019 20:09 UTC

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Subject: [Lsr] [Technical Errata Reported] RFC2328 (5611)
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The following errata report has been submitted for RFC2328,
"OSPF Version 2".

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You may review the report below and at:
http://www.rfc-editor.org/errata/eid5611

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Type: Technical
Reported by: Anil Chaitanya Mandru <mandru@versa-networks.com>;

Section: 16.1 (4)

Original Text
-------------
In this case, the current routing table entry
            should be overwritten if and only if the newly found path is
            just as short and the current routing table entry's Link
            State Origin has a smaller Link State ID than the newly
            added vertex' LSA.

Corrected Text
--------------
In this case, if the newly found path is just as short, 
then both the paths should be added to the routing table. 

Notes
-----
If the newly found path is just as short then both the paths should be considered for ECMP. Why should the smaller Link State ID path overwrite the current one even if the paths are equi distant?

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RFC2328 (no draft string recorded)
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Title               : OSPF Version 2
Publication Date    : April 1998
Author(s)           : J. Moy
Category            : INTERNET STANDARD
Source              : Open Shortest Path First IGP
Area                : Routing
Stream              : IETF
Verifying Party     : IESG