Border Gateway Protocol (BGP) Parameters

Last Updated
2008-08-06

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Registries included below

BGP Message Types

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

BGP Path Attributes

Registration Procedures
Standards Action process or the Early IANA Allocation process
Reference
[RFC4271]
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 [RFC1863]
13 RCID_PATH / CLUSTER_ID [RFC1863]
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) [Gargi_Nalawade][draft-kapoor-nalawade-idr-bgp-ssa-00][draft-nalawade-idr-mdt-safi-00][draft-wijnands-mt-discovery-00]
20 Connector Attribute [Gargi_Nalawade][draft-kapoor-nalawade-idr-bgp-ssa-00][draft-nalawade-idr-mdt-safi-00][draft-wijnands-mt-discovery-00]
21 AS_PATHLIMIT (TEMPORARY - Expires 27 October 2007) [draft-ietf-idr-as-pathlimit]
22 PMSI_TUNNEL (TEMPORARY - Expires 19 June 2008) [draft-ietf-l3vpn-2547bis-mcast-bgp]
23-254 Unassigned
255 Reserved for development

BGP Error Codes

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

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

Message Header Error subcodes

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

OPEN Message Error subcodes

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

UPDATE Message Error subcodes

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

Registration Procedures
Standards Action or Early IANA Allocation process
Reference
[RFC4486]
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]

People

ID Name Contact URI Last Updated
[Eric_Rosen] Eric Rosen erosen&cisco.com 1999-03
[Gargi_Nalawade] Gargi Nalawade gargi&cisco.com 2004-02