Internet Assigned Numbers Authority

                                                                   Capability Codes

   Last Updated
   2023-08-15

   Available Formats
   [IMG]
   XML [IMG]
   HTML [IMG]
   Plain text

   Registries included below

     • Capability Codes
     • BGP Role Value

Capability Codes

   Reference
   [RFC 5492][RFC 8810]

   Note

 The IETF will be the Change Controller for all future registrations.


   Available Formats
   [IMG]
   CSV

    Range  Registration Procedures
   1-63    IETF Review
   64-238  First Come First Served
   239-254 Experimental Use

    Value                                  Description                                                 Reference                  Change Controller
      0    Reserved                                                                    [RFC 5492]                                  IETF
      1    Multiprotocol Extensions for BGP-4                                          [RFC 2858]                                  IETF
      2    Route Refresh Capability for BGP-4                                          [RFC 2918]                                  IETF
      3    Outbound Route Filtering Capability                                         [RFC 5291]                                  IETF
      4    Multiple routes to a destination capability (deprecated)                    [RFC 8277]                                  IETF
      5    Extended Next Hop Encoding                                                  [RFC 8950]                                  IETF
      6    BGP Extended Message                                                        [RFC 8654]                                  IETF
      7    BGPsec Capability                                                           [RFC 8205]                                  IETF
      8    Multiple Labels Capability                                                  [RFC 8277]                                  IETF
      9    BGP Role                                                                    [RFC 9234]                                  IETF
    10-63  Unassigned
     64    Graceful Restart Capability                                                 [RFC 4724]                                  IETF
     65    Support for 4-octet AS number capability                                    [RFC 6793]                                  IETF
     66    Deprecated (2003-03-06)                                                                                                IETF
     67    Support for Dynamic Capability (capability specific)                        [draft-ietf-idr-dynamic-cap]               IETF
     68    Multisession BGP Capability                                                 [draft-ietf-idr-bgp-multisession]          IETF
     69    ADD-PATH Capability                                                         [RFC 7911]                                  IETF
     70    Enhanced Route Refresh Capability                                           [RFC 7313]                                  IETF
     71    Long-Lived Graceful Restart (LLGR) Capability                               [RFC-ietf-idr-long-lived-gr-06]            IETF
     72    Routing Policy Distribution                                                 [draft-ietf-idr-rpd-04]                    IETF
     73    FQDN Capability                                                             [draft-walton-bgp-hostname-capability]     IETF
     74    BFD Capability                                                              [draft-ietf-idr-bgp-bfd-strict-mode-08]    IETF
     75    Software Version Capability                                                 [draft-abraitis-bgp-version-capability-11] IETF
   76-127  Unassigned
     128   Prestandard Route Refresh (deprecated)                                      [RFC 8810]                                  IETF
     129   Prestandard Outbound Route Filtering (deprecated), prestandard Routing      [RFC 8810]                                  IETF
           Policy Distribution (deprecated)
     130   Prestandard Outbound Route Filtering (deprecated)                           [RFC 8810]                                  IETF
     131   Prestandard Multisession (deprecated)                                       [RFC 8810]                                  IETF
   132-183 Unassigned
     184   Prestandard FQDN (deprecated)                                               [RFC 8810]                                  IETF
     185   Prestandard OPERATIONAL message (deprecated)                                [RFC 8810]                                  IETF
   186-238 Unassigned
   239-254 Reserved for Experimental Use                                               [RFC 8810]                                  IETF
     255   Reserved                                                                    [RFC 8810]                                  IETF

BGP Role Value

   Registration Procedure(s)

 IETF Review

   Reference
   [RFC 9234]

   Available Formats
   [IMG]
   CSV

   Value Role name (for the local AS) Reference
     0   Provider                     [RFC 9234]
     1   RS                           [RFC 9234]
     2   RS-Client                    [RFC 9234]
     3   Customer                     [RFC 9234]
     4   Peer (i.e., Lateral Peer)    [RFC 9234]
   5-255 Unassigned

   Licensing Terms