Border Gateway Protocol (BGP) Well-known Communities

Created

• 2004-01-16

Last Updated

• 2026-09-22

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BGP Well-known Communities

Reference

• RFC 1997: BGP Communities Attribute
• RFC 8642: Policy Behavior for Well-Known BGP Communities

Note

Out of the total community space defined by RFC 1997 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