Internet Assigned Numbers Authority

Border Gateway Protocol (BGP) Well-known Communities

Created
2004-01-16
Last Updated
2023-11-29
Available Formats

XML

HTML

Plain text

Registry included below

BGP Well-known Communities

Reference
[RFC1997][RFC8642]
Note
Out of the total community space defined by RFC1997 of 0x00000000 -
0xFFFFFFFF, the following ranges and values are reserved for communities
that have global significance and their operations shall be implemented in
any community-attribute-aware BGP speaker. The remainder of the space,
specifically 0x00010000 - 0xFFFEFFFF, is for Private Use, with the first two
octets encoding the autonomous system value as described by the RFC.
    
Available Formats

CSV
Range Registration Procedures
0x00000000-0x0000FFFF Reserved
0x00010000-0xFFFEFFFF Private Use
0xFFFF0000-0xFFFF8000 First Come First Served
0xFFFF8001-0xFFFFFFFF Standards Action
Attribute Value Attribute Reference
0x00000000-0x0000FFFF Reserved [RFC1997]
0x00010000-0xFFFEFFFF Reserved for Private Use [RFC1997]
0xFFFF0000 GRACEFUL_SHUTDOWN [RFC8326]
0xFFFF0001 ACCEPT_OWN [RFC7611]
0xFFFF0002 ROUTE_FILTER_TRANSLATED_v4 [draft-l3vpn-legacy-rtc]
0xFFFF0003 ROUTE_FILTER_v4 [draft-l3vpn-legacy-rtc]
0xFFFF0004 ROUTE_FILTER_TRANSLATED_v6 [draft-l3vpn-legacy-rtc]
0xFFFF0005 ROUTE_FILTER_v6 [draft-l3vpn-legacy-rtc]
0xFFFF0006 LLGR_STALE [RFC9494]
0xFFFF0007 NO_LLGR [RFC9494]
0xFFFF0008 accept-own-nexthop [draft-agrewal-idr-accept-own-nexthop]
0xFFFF0009 Standby PE [RFC9026]
0xFFFF000A-0xFFFF0299 Unassigned
0xFFFF029A BLACKHOLE [RFC7999]
0xFFFF029B-0xFFFFFF00 Unassigned
0xFFFFFF01 NO_EXPORT [RFC1997]
0xFFFFFF02 NO_ADVERTISE [RFC1997]
0xFFFFFF03 NO_EXPORT_SUBCONFED [RFC1997]
0xFFFFFF04 NOPEER [RFC3765]
0xFFFFFF05-0xFFFFFFFF Unassigned