// bgp-communities
AS29909 BGP communities.
Authoritative reference. Metro Optic tags routes inside our network so customers and peers can act on them, and we observe and respect customer-set tags to shape advertisement, prepending, blackholing, and more.
// General Purpose
| Community | Meaning |
|---|---|
| prepend-once (29909:1) | Prepend AS29909 once |
| preprend-twice (29909:2) | Prepend AS29909 twice |
| prepend-thrice (29909:3) | Prepend AS29909 three times |
| prepend-4x (29909:4) | Prepend AS29909 four times |
| prepend-5x (29909:5) | Prepend AS29909 five times |
// Unspecified
| Community | Meaning |
|---|---|
| 29909:20 | |
| 29909:30 | |
| 29909:40 | |
| 29909:41 | |
| 29909:42 | |
| 29909:43 | |
| 29909:45 | Montreal learned route |
| 29909:50 | |
| 29909:51 | |
| 29909:52 | |
| 29909:53 | |
| 29909:55 | |
| 29909:60 | |
| 29909:61 | |
| 29909:62 | |
| 29909:63 | |
| 29909:65 | |
| 29909:70 | |
| 29909:71 | |
| 29909:72 | |
| 29909:75 | |
| 29909:80 | |
| 29909:90 | |
| 29909:91 | |
| 29909:200 | |
| 29909:250 | |
| 29909:300 | |
| 29909:350 | |
| blackhole (29909:666) | RTBH Community - Set this community to drop malicious traffic at the network edge towards this destination |