Troy Cable / C Spire (AS13825) customer traffic flow control
AS13825 has instituted several BGP communities that allow customers greater control over their traffic flows.
Disclaimer: These are provided as best effort and not included with SLA.
Prepending
These communities allow customers to prepend AS13825 on announcements to upstream exit points.
| Community | Description |
| 13825:65501 | prepend announcements to transit/peers 1x |
| 13825:65502 | prepend announcements to transit/peers 2x |
| 13825:65503 | prepend announcements to transit/peers 3x |
Local Preference
These communities allow customers to alter the local preference of their prefixes within the AS13825 network.
| Community | Local-preference | Description |
| default | 120 | customer |
| 13825:65110 | 110 | backup |
| 13825:65100 | 100 |
peer level |
| 13825:65090 | 90 | transit level |
| 13825:65070 | 70 | last resort |
Remote Trigger Black Hole
AS13825 accepts customer prefixes greater than or equal to /31 tagged with community 65535:666 to be marked as RTBH. This will trigger an automatic discard of traffic destined for that address as it enters AS13825.
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