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RFC 4271, "A Border Gateway Protocol 4 (BGP-4)", January 2006

Source of RFC: idr (rtg)

Errata ID: 1332
Status: Rejected
Type: Technical

Reported By: Aaron Hughes
Date Reported: 2008-02-26
Rejected by: Stewart Bryant
Date Rejected: 2011-08-02

Section 4.5 says:

      OPEN Message Error subcodes:

               1 - Unsupported Version Number.
               2 - Bad Peer AS.
               3 - Bad BGP Identifier.
               4 - Unsupported Optional Parameter.
               5 - [Deprecated - see Appendix A].
               6 - Unacceptable Hold Time.

It should say:

      OPEN Message Error subcodes:

               1 - Unsupported Version Number.
               2 - Bad Peer AS.
               3 - Bad BGP Identifier.
               4 - Unsupported Optional Parameter.
               5 - [Deprecated - see Appendix A].
               6 - Unacceptable Hold Time.
               7 - Unsupported Capability

Notes:

7 - Unsupported Capability orig from RFC3392 seems to have accidently disappeared.

Thanks!
Aaron
--VERIFIER NOTES--
The working group debated this point and concluded the following:

The functionality (specifically, BGP Capabilities) this error code applies to does not appear anywhere in RFC 4271 (or RFC 1771). As IANA records, this error subcode is defined in RFC5492/RFC3392, along with the related functionality. The IANA registry is the final authority as to code point assignments, and is correct as written. Accordingly, this erratum is rejected.

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