Capability Codes
Border Gateway Protocol (BGP) Parameters
2024-01-23
Capability Codes
The IETF will be the Change Controller for all future registrations.
1-63
IETF Review
64-238
First Come First Served
239-254
Experimental Use
0
Reserved
IETF
1
Multiprotocol Extensions for BGP-4
IETF
2
Route Refresh Capability for BGP-4
IETF
3
Outbound Route Filtering Capability
IETF
4
Multiple routes to a destination capability (deprecated)
IETF
5
Extended Next Hop Encoding
IETF
6
BGP Extended Message
IETF
7
BGPsec Capability
IETF
8
Multiple Labels Capability
IETF
9
BGP Role
IETF
10-63
Unassigned
64
Graceful Restart Capability
IETF
65
Support for 4-octet AS number capability
IETF
66
Deprecated (2003-03-06)
IETF
67
Support for Dynamic Capability (capability specific)
IETF
68
Multisession BGP Capability
IETF
69
ADD-PATH Capability
IETF
70
Enhanced Route Refresh Capability
IETF
71
Long-Lived Graceful Restart (LLGR) Capability
IETF
72
Routing Policy Distribution
IETF
73
FQDN Capability
IETF
74
BFD Capability
IETF
75
Software Version Capability
IETF
76
PATHS-LIMIT Capability
IETF
77-127
Unassigned
128
Prestandard Route Refresh (deprecated)
IETF
129
Prestandard Outbound Route Filtering (deprecated),
prestandard Routing Policy Distribution (deprecated)
IETF
130
Prestandard Outbound Route Filtering (deprecated)
IETF
131
Prestandard Multisession (deprecated)
IETF
132-183
Unassigned
184
Prestandard FQDN (deprecated)
IETF
185
Prestandard OPERATIONAL message (deprecated)
IETF
186-238
Unassigned
239-254
Reserved for Experimental Use
IETF
255
Reserved
IETF
BGP Role Value
IETF Review
0
Provider
1
RS
2
RS-Client
3
Customer
4
Peer (i.e., Lateral Peer)
5-255
Unassigned