Border Gateway Protocol (BGP) Parameters

Last Updated
2010-02-23

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Registries included below

BGP Message Types

Reference
[RFC4271]
Registration Procedures
Standards Action process or the Early IANA Allocation process
Value Name Reference
1 OPEN [RFC4271]
2 UPDATE [RFC4271]
3 NOTIFICATION [RFC4271]
4 KEEPALIVE [RFC4271]
5 ROUTE-REFRESH [RFC2918]

BGP Path Attributes

Reference
[RFC4271]
Registration Procedures
Standards Action process or the Early IANA Allocation process
Value Code Reference
1 ORIGIN [RFC4271]
2 AS_PATH [RFC4271]
3 NEXT_HOP [RFC4271]
4 MULTI_EXIT_DISC [RFC4271]
5 LOCAL_PREF [RFC4271]
6 ATOMIC_AGGREGATE [RFC4271]
7 AGGREGATOR [RFC4271]
8 COMMUNITY [RFC1997]
9 ORIGINATOR_ID [RFC4456]
10 CLUSTER_LIST [RFC4456]
11 DPA [Chen, E., Bates, T., "Destination Preference Attribute for BGP", Work in progress, March 1996.]
12 ADVERTISER (Historic) [RFC1863][RFC4223]
13 RCID_PATH / CLUSTER_ID (Historic) [RFC1863][RFC4223]
14 MP_REACH_NLRI [RFC4760]
15 MP_UNREACH_NLRI [RFC4760]
16 EXTENDED COMMUNITIES [Eric_Rosen][draft-ramachandra-bgp-ext-communities-00][RFC4360]
17 AS4_PATH [RFC4893]
18 AS4_AGGREGATOR [RFC4893]
19 SAFI Specific Attribute (SSA) (deprecated) [Gargi_Nalawade][draft-kapoor-nalawade-idr-bgp-ssa-00][draft-nalawade-idr-mdt-safi-00][draft-wijnands-mt-discovery-00]
20 Connector Attribute (deprecated) [Gargi_Nalawade][draft-kapoor-nalawade-idr-bgp-ssa-00][draft-nalawade-idr-mdt-safi-00][draft-wijnands-mt-discovery-00]
21 AS_PATHLIMIT (deprecated) [draft-ietf-idr-as-pathlimit]
22 PMSI_TUNNEL [RFC-ietf-l3vpn-2547bis-mcast-bgp-08]
23 Tunnel Encapsulation Attribute [RFC5512]
24 Traffic Engineering [RFC5543]
25 IPv6 Address Specific Extended Community [RFC5701]
26 AIGP (TEMPORARY - expires 2011-02-23) [draft-ietf-idr-aigp][Rex_Fernando][Pradosh_Mohapatra][Eric_Rosen][James_Uttaro]
27-254 Unassigned
255 Reserved for development

BGP Error Codes

Reference
[RFC4271]
Registration Procedures
Standards Action process or the Early IANA Allocation process
Value Name Reference
1 Message Header Error [RFC4271]
2 OPEN Message Error [RFC4271]
3 UPDATE Message Error [RFC4271]
4 Hold Timer Expired [RFC4271]
5 Finite State Machine Error [RFC4271]
6 Cease [RFC4271]

BGP Error Subcodes

Reference
[RFC4271]
Registration Procedures
Standards Action process or the Early IANA Allocation process

Message Header Error subcodes

Reference
[RFC4271]
Registration Procedures
Standards Action process or the Early IANA Allocation process
Value Name Reference
1 Connection Not Synchronized [RFC4271]
2 Bad Message Length [RFC4271]
3 Bad Message Type [RFC4271]

OPEN Message Error subcodes

Reference
[RFC4271]
Registration Procedures
Standards Action process or the Early IANA Allocation process
Value Name Reference
1 Unsupported Version Number [RFC4271]
2 Bad Peer AS [RFC4271]
3 Bad BGP Identifier [RFC4271]
4 Unsupported Optional Parameter [RFC4271]
5 [Deprecated] [RFC4271]
6 Unacceptable Hold Time [RFC4271]
7 Unsupported Capability [RFC3392]

UPDATE Message Error subcodes

Reference
[RFC4271]
Registration Procedures
Standards Action process or the Early IANA Allocation process
Value Name Reference
1 Malformed Attribute List [RFC4271]
2 Unrecognized Well-known Attribute [RFC4271]
3 Missing Well-known Attribute [RFC4271]
4 Attribute Flags Error [RFC4271]
5 Attribute Length Error [RFC4271]
6 Invalid ORIGIN Attribute [RFC4271]
7 [Deprecated] [RFC4271]
8 Invalid NEXT_HOP Attribute [RFC4271]
9 Optional Attribute Error [RFC4271]
10 Invalid Network Field [RFC4271]
11 Malformed AS_PATH [RFC4271]

BGP Cease NOTIFICATION message subcodes

Reference
[RFC4486]
Registration Procedures
Standards Action or Early IANA Allocation process
Value Name Reference
1 Maximum Number of Prefixes Reached [RFC4486]
2 Administrative Shutdown [RFC4486]
3 Peer De-configured [RFC4486]
4 Administrative Reset [RFC4486]
5 Connection Rejected [RFC4486]
6 Other Configuration Change [RFC4486]
7 Connection Collision Resolution [RFC4486]
8 Out of Resources [RFC4486]

BGP Outbound Route Filtering (ORF) Types

Reference
[RFC5291]
Range Registration Procedure Notes
0-63 Standards Action or the Early Allocation process [RFC4020]
64-127 First Come First Served
128-255 Vendor-Specific IANA does not assign
Value Description Reference
0 Reserved [RFC5291]
1-63 Unassigned
64 Address Prefix ORF [RFC5292]
65-127 Unassigned
128-255 Reserved for Vendor-Specific [RFC5291]

BGP OPEN Optional Parameter Types

Reference
[RFC5492]
Registration Procedures
IETF Review
Value Name Reference
0 Reserved [RFC5492]
1 Authentication (deprecated) [RFC4271][RFC5492]
2 Capabilities [RFC5492]
3-255 Unassigned

BGP Tunnel Encapsulation Attribute Tunnel Types

Reference
[RFC5512]
Registration Procedures
First Come First Served
Value Name Reference
0 Reserved [RFC5512]
1 L2TPv3 over IP [RFC5512]
2 GRE [RFC5512]
3 Transmit tunnel endpoint [RFC5566]
4 IPsec in Tunnel-mode [RFC5566]
5 IP in IP tunnel with IPsec Transport Mode [RFC5566]
6 MPLS-in-IP tunnel with IPsec Transport Mode [RFC5566]
7 IP in IP [RFC5512]
8-65535 Unassigned

BGP Tunnel Encapsulation Attribute Sub-TLVs

Reference
[RFC5512]
Registration Procedures
Standards Action or Early Allocation
Value Name Reference
0 Reserved [RFC5512]
1 Encapsulation [RFC5512]
2 Protocol Type [RFC5512]
3 IPsec Tunnel Authenticator [RFC5566]
4 Color [RFC5512]
5 Load-Balancing Block [RFC5640]
6-255 Unassigned

People

ID Name Contact URI Last Updated
[Eric_Rosen] Eric Rosen erosen&cisco.com 2010-02-23
[Gargi_Nalawade] Gargi Nalawade gargi&cisco.com 2004-02
[James_Uttaro] James Uttaro uttaro&att.com 2010-02-23
[Pradosh_Mohapatra] Pradosh Mohapatra pmohapat&cisco.com 2010-02-23
[Rex_Fernando] Rex Fernando rex&juniper.net 2010-02-23