BGP Communities
BGP community strings supported by AS202941
We support both standard (16-bit) and large (32-bit) BGP communities.
Informational Communities
These communities are added to routes to indicate their origin and properties:
| Community | Large Community | Description |
|---|---|---|
202941:100 |
202941:100:0 |
Learned from customer |
202941:200 |
202941:200:0 |
Learned from peer |
202941:300 |
202941:300:0 |
Learned from transit |
202941:400 |
202941:400:0 |
Originated by AS202941 |
Location Communities
These communities indicate where a route was learned:
| Large Community | Description |
|---|---|
202941:1000:276 |
Learned in Germany (DE) |
202941:1000:528 |
Learned in Netherlands (NL) |
202941:1000:840 |
Learned in United States (US) |
202941:1000:XXX |
XXX = ISO 3166-1 numeric country code |
Action Communities
Customers and peers can use these communities to influence routing:
| Large Community | Description |
|---|---|
202941:0:PEER_ASN |
Do not announce to specific peer |
202941:1:PEER_ASN |
Prepend 1x to specific peer |
202941:2:PEER_ASN |
Prepend 2x to specific peer |
202941:3:PEER_ASN |
Prepend 3x to specific peer |
202941:666:0 |
Blackhole route (requires /32 or /128) |
Well-Known Communities
We honor standard well-known BGP communities:
| Community | Description |
|---|---|
NO_EXPORT (65535:65281) |
Do not export outside AS202941 |
NO_ADVERTISE (65535:65282) |
Do not advertise to any peer |
GRACEFUL_SHUTDOWN (65535:0) |
Graceful BGP session shutdown (RFC 8326) |
Note: Community support may vary. Please contact NOC if you need specific community support for your use case.