bgptoBGP COMMUNITIES
AS20965
GEANT GEANT Vereniging
Published community policy
| Attribute | Value |
|---|---|
| remarks | NREN routes are marked with an informational community based on ASN. |
| remarks | NRENs can block advertisements to other NRENs using a specific block community. |
| remarks | NRENs are welcome to use specific communities to define how routes are advertised to R&E peers |
| remarks | Prepending is additive, combine communities to increase prepending. |
| remarks | Routes can be manipulated using per-peer communities |
| remarks | Anycast routes are identified by a prefix list and community filter and the local preference raised on backup links. |
| remarks | NRENs who add this community will see no effect unless they also instruct us to add the route to our prefix-list. |
| remarks | Global anycast routes are marked with the above community and accepted from NRENs. |
| remarks | Peers are marked with the informational community 20965:65530 |
| remarks | Internal internal prefixes are given community 20965:155 |
| remarks | NREN prefixes are given a LOCAL-PREF of 150 and community 20965:155 |
| remarks | The following ASs are our non-NREN peers who receive NREN routes. All peers get all routes from AS-GEANTNRN and a subset of AS-GEANTNRENPEERS based on the agreed transit policy as highlighted by the communities below. |