This document describes the BGP Communities used by the I-Light. This includes communities that the I-Light tags simply to add meta-data to BGP prefixes and communities that I-Light members can set to influence routing behavior at I-Light.
| I-light | Sets |
|---|---|
| 1767:1001 | Tagged to all I-Light Member Prefixes |
| 1767:201 | Tagged to all R&E Prefixes |
| 1767:202 | Tagged to all Commodity Prefixes |
| 1767:10000 | Tagged to all Indiana Gigapop Cache Prefixes |
| I-Light | Sets |
|---|---|
| 1767:911 | Blackhole, I-Light will discard traffic toward this prefix. Only members who “own” this prefix may set the 911 community |
| 1767:150 | Causes I-Light to add 50 to the default BGP Local-Preference applied to Member prefixes |
| 1767:50 | Causes I-Light to subtract 50 from the default BGP Local-Preference applied to Member prefixes |
| 1767:300 | set I-Light local-pref to 300 |
| 1767:400 | set I-Light local-pref to 400 |
| 1767:500 | set I-Light local-pref to 500 |
| 1767:600 | set I-Light local-pref to 600 |
Note: Local-preference defaults (member is 250, R&E upstream is 175)
