Capability Codes Last Updated 2011-10-10 This registry is also available in plain text. Registry included below * Capability Codes Capability Codes Reference [RFC5492] Range Registration Procedures Notes 1-63 IETF Review 64-127 First Come First Served 128-255 Reserved for Private Use IANA does not assign Value Description Reference 0 Reserved [RFC5492] 1 Multiprotocol Extensions for BGP-4 [RFC2858] 2 Route Refresh Capability for BGP-4 [RFC2918] 3 Outbound Route Filtering Capability [RFC5291] 4 Multiple routes to a destination capability [RFC3107] 5 Extended Next Hop Encoding [RFC5549] 6-63 Unassigned 64 Graceful Restart Capability [RFC4724] 65 Support for 4-octet AS number capability [RFC4893] 66 Deprecated (2003-03-06) 67 Support for Dynamic Capability (capability specific) [draft-ietf-idr-dynamic-cap] 68 Multisession BGP Capability [Chandra_Appanna] 69 ADD-PATH Capability [draft-ietf-idr-add-paths] 70 Enhanced Route Refresh Capability [draft-keyur-bgp-enhanced-route-refresh] 71-127 Unassigned 128-255 Reserved for Private Use [RFC5492] People ID Name Contact URI Last Updated [Chandra_Appanna] Chandra Appanna mailto:achandra&cisco.com 2007-03-22