Routing control
BGP communities
Tag prefixes with these communities to control announcement behaviour toward our upstreams.
Transit providers
Control announcements to our upstream providers.
These communities work on prefixes with a minimum length of /24.
| Location | Communities | Effect |
|---|---|---|
| Virtuo (AS399486) |
198831:100
|
Announce only to Virtuo (not to other transit providers). |
198831:110
|
Makes the route less preferred by adding our AS number twice toward Virtuo in addition to the default behavior. | |
198831:120
|
Makes the route less preferred by adding our AS number three times toward Virtuo in addition to the default behavior. | |
| Netrix (AS62000) |
198831:200
|
Announce only to Netrix (not to other transit providers). |
198831:210
|
Makes the route less preferred by adding our AS number twice toward Netrix in addition to the default behavior. | |
198831:220
|
Makes the route less preferred by adding our AS number three times toward Netrix in addition to the default behavior. |
Special communities
Special communities for advanced traffic control.
These communities have specific effects on traffic handling. Please use with caution.
| Community | Effect |
|---|---|
198831:666
|
Drop all traffic to the tagged prefix (works with prefixes up to /32).
Use with caution. Prefer coordinating with the NOC for DDoS / filtering cases.
|