Capability Codes Last Updated 2008-08-06 This registry is also available in XML and plain text formats. Registry included below * Capability Codes Capability Codes Reference [RFC3392] Range Registration Procedures Notes 1-63 IETF Consensus 64-127 First Come First Served 128-255 Reserved for Vendor-specific IANA does not assign Value Description Reference 0 Reserved [RFC3392] 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] 5-63 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) [Enke_Chen] 68 Multisession BGP Capability [Chandra_Appanna] 69-127 Unassigned 128-255 Vendor Specific People ID Name Contact URI Last Updated [Chandra_Appanna] Chandra Appanna mailto:achandra&cisco.com 2007-03-22 [Enke_Chen] Enke Chen mailto:enke&redback.com 2003-03