RFC 8642: Policy Behavior for Well-Known BGP Communities

August 8, 2019 at 18:03 · Filed under IETF, Routers & Routing 

 RFC 8642
 Title:      Policy Behavior for Well-Known BGP  Communities 
 Author:     J. Borkenhagen, 
             R. Bush,
             R. Bonica, 
             S. Bayraktar
 Status:     Standards Track
 Stream:     IETF
 Date:       August 2019
 Pages:      7
 Characters: 13429
 Updates:    RFC 1997
 I-D Tag:    draft-ietf-grow-wkc-behavior-08.txt
 URL:        https://www.rfc-editor.org/info/rfc8642
 DOI:        10.17487/RFC8642

Well-known BGP communities are manipulated differently across various current implementations, resulting in difficulties for operators. Network operators should deploy consistent community handling across their networks while taking the inconsistent behaviors from the various BGP implementations into consideration. This document recommends specific actions to limit future inconsistency: namely, BGP implementors must not create further inconsistencies from this point forward. These behavioral changes, though subtle, actually update RFC 1997.

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