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RFC 7543, "Covering Prefixes Outbound Route Filter for BGP-4", May 2015

Source of RFC: bess (rtg)

Errata ID: 4402
Status: Rejected
Type: Technical
Publication Format(s) : TEXT

Reported By: Ron Bonica
Date Reported: 2015-06-26
Rejected by: Alvaro Retana
Date Rejected: 2016-04-15

Section 7 says:

    +------------------------------------------------+---------------+
    | Registry                                       | Code Point    |
    +------------------------------------------------+---------------+
    | BGP Outbound Route Filtering (ORF) Types       | CP-ORF (65)   |
    | Transitive Opaque Extended Community Sub-Types | CP-ORF (0x03) |
    +------------------------------------------------+---------------+

It should say:

    +------------------------------------------------+---------------+
    | Registry                                       | Code Point    |
    +------------------------------------------------+---------------+
    | BGP Outbound Route Filtering (ORF) Types       | CP-ORF (65)   |
    | Transitive Opaque Extended Community Sub-Types | CP-ORF (0x03) |
    | Capability Codes                               | CP-ORF (72)   |
    +------------------------------------------------+---------------+

Notes:

In the original text, we forgot to mention the value of the BGP capability code.
--VERIFIER NOTES--
RFC 5291 describes The Outbound Route Filter (ORF) Capability for BGP. According to RFC 5291, when two BGP speakers initiate a session between one another and they intend to exchange ORFs of any type, they must advertise the ORF capability. The ORF capability is registered with a value of 3 in the IANA BGP Capability Code Registry. The ORF capability also includes a list of ORF types that the BGP speaker can send and/or receive. IANA also maintains a BGP Outbound Route Filtering (ORF) Types registry.

RFC 7543 describes a new ORF type, called the Covering Prefix ORF (CP-ORF). RFC 7543 should conform to generic ORF procedures defined in RFC 5291. Specifically, when two BGP speakers initiate a session between one another and they intend to exchange CP-ORFs, they must advertise the ORF capability (value 3). The ORF capability must include CP-ORF (value 65) in the ORF type list.

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