BGP Communities
This page describes the use of BGP communities within the network.
The DN42 Route Origin Community is applied both internally and externally, and is used to influence the Routing Policy.
| Community | Description |
|---|---|
| ( 64511 : 40 < x < 54 ) | Route Origin |
The other DN42 communities are not used in burble.dn42:
| Community | Description |
|---|---|
| ( 64511 : 0 < x < 21 ) | Max latency |
| ( 64511 : 20 < x < 30 ) | Min bandwidth |
| ( 64511 : 30 < x < 35 ) | Min encryption |
The following well known communities are implemented.
| Community | Description | Action |
|---|---|---|
| ( 65535 : 65281 ) | No Export | Prefix should not be exported outside of AS4242422601 |
| ( 65535 : 65282 ) | No Advertise | Prefix should not be exported to any peers |
| ( 65535 : 65283 ) | Local-AS | Prefix should not be exported outside of region |
burble.dn42 implements large BGP communities, with ISO 3166-1 / UNSD country, and UNSD region codes.
| Community | Description |
|---|---|
| ( 4242422601 : 120 : host code ) | Route learned on this host |
| ( 4242422601 : 130 : 1 ) | Route is a direct peer |
| ( 4242422601 : 140 : DN42 region ) | Route learned in this DN42 region |