Differences

This shows you the differences between two versions of the page.

--- policy [2025/09/25 13:32] – created - external edit 127.0.0.1
+++ policy [2026/09/02 19:04] (current) – [BGP Communities] noc
@@ Line 52: / Line 52: @@
   * All sessions with the same neighboring AS will be adjusted for the same type of session. (e.g.: a customer cannot be peering and transit at the same time, it is either one or the other).
+==== MED ====
+Customers with multiple eBGP sessions with us may use the MED (Multi-Exit Discriminator) attribute to indicate their preferred ingress path between different circuits. This allows traffic entering our network to be directed to the desired circuit according to the MED values advertised by the customer. By default, lower MED values are preferred.
 ==== BGP Communities ====
@@ Line 66: / Line 69: @@
 === Blackhole Community ===
 ^ Attribute ^ Internal Name ^ Description ^
-|53062:666 | blackhole | Redirects /32 prefix traffic to NULL0 |
+|53062:666 | blackhole | Redirects /32 prefix traffic to NULL0 and propagates the route to the internet |
+|53062:665 | blackhole_internal | Redirects /32 prefix traffic to NULL0 without propagating it to the internet (For internal use only; customers cannot use it) |
 Notes:
@@ Line 80: / Line 85: @@
 ^ Attribute ^ Internal Name ^ Description ^
 |53062:669 | ddos_filter_diversion | This community is informational only and indicates that the prefix was redirected to a mitigation center. |
+|53062:670 | fs_rib_only | This community prevents a flowspec rule from being installed on the FIB of the ASN routers. |
@@ Line 107: / Line 113: @@
 |- - 53062:10323 | mark_eletronet       | Prefixes learned via ELETRONET           |
 |- - 53062:10334 | mark_ufinet       | Prefixes learned via UFINET           |
+|- - 53062:10431 | mark_seaborn       | Prefixes learned via SEABORN          |
 |Internet Exange Points|||
 |- 53062:10037 | mark_ixps      | Prefixes learned from an IXP        |
@@ Line 126: / Line 134: @@
 |- - 53062:10327 | mark_ixbrcba    | Prefixes learned via IX.Br-CBA (Cuiaba) |
 |- - 53062:10350 | mark_ixbrvta    | Prefixes learned via IX.Br-VTA (Vitória) |
+|- - 53062:10363 | mark_decixfra    | Prefixes learned via DE-CIX-FRA (Frankfurt) |
+|- - 53062:10359 | mark_decixny    | Prefixes learned via DE-CIX-NY (New York) |
+|- - 53062:10423 | mark_decixspo    | Prefixes learned via DE-CIX-SPO (São Paulo) |
 |Private Network Interconections (PNIs)|||
 |- 53062:10077 | mark_pnis      | Prefixes learned from a PNI      |
@@ Line 145: / Line 158: @@
 |- - 53062:10268 | mark_microsoftpni    | Prefixes learned via PNI with Microsoft |
 |- - 53062:10276 | mark_tencentcdnpni    | Prefixes learned via PNI with Tencent CDN |
+|- - 53062:10285 | mark_globopni    | Prefixes learned via PNI with Globo |
+|- - 53062:10294 | mark_fastlypni    | Prefixes learned via PNI with Fastly |
 |- - 53062:10303 | mark_gamersclubpni    | Prefixes learned via PNI with Gamers Club |
+|- - 53062:10439 | mark_disney    | Prefixes learned via PNI with Disney |
+| CDNs |||
+|- - 53062:10209 | mark_clouflarepop       | Prefixes learned from CloudFlare Micro POP   |
 === Propagation Control ===
@@ Line 170: / Line 191: @@
 |- - 53062:50324 | no_export_to_eletronet       | Do not announce to ELETRONET           |
 |- - 53062:50335 | no_export_to_ufinet       | Do not announce to UFINET           |
+|- - 53062:50432 | no_export_to_seaborn       | Do not announce to SEABORN           |
 |Internet Exange Points|||
 |- 53062:50038 | no_export_to_ixps      | Do not announce to any IXP      |
@@ Line 189: / Line 212: @@
 |- - 53062:50330 | no_export_to_ixbrcba    | Do not announce to IX.Br-CBA (Cuiaba) |
 |- - 53062:50352 | no_export_to_ixbrvta    | Do not announce to IX.Br-VTA (Vitória) |
+|- - 53062:50364 | no_export_to_decixfra    | Do not announce to DE-CIX-FRA (Frankfurt) |
+|- - 53062:50360 | no_export_to_decixny    | Do not announce to DE-CIX-NY (New York) |
+|- - 53062:50425 | no_export_to_decixspo    | Do not announce to DE-CIX-SPO (São Paulo) |
 |CDNs|||
 |- 53062:50001 | no_export_to_cdns      | Do not announce to any CDN     |
@@ Line 195: / Line 223: @@
 |- - 53062:50014 | no_export_to_oca       | Do not announce to Netflix CDN     |
 |- - 53062:50083 | no_export_to_akamaibox | Do not announce to Akamai CDN      |
+|- - 53062:50207 | no_export_to_clouflarepop       | Do not announce to CloudFlare Micro POP   |
 |- - 53062:50273 | no_export_to_mcc       | Do not announce to Microsoft CDN   |
 |Private Network Interconections (PNIs)|||
@@ Line 215: / Line 244: @@
 |- - 53062:50269 | no_export_to_microsoftpni          | Do not announce to PNI with Microsoft |
 |- - 53062:50277 | no_export_to_tencentcdnpni          | Do not announce to PNI with Tencent CDN |
+|- - 53062:50286 | no_export_to_globopni          | Do not announce to PNI with Globo |
+|- - 53062:50295 | no_export_to_fastlypni          | Do not announce to PNI with Fastly |
 |- - 53062:50304 | no_export_to_gamersclubpni          | Do not announce to PNI with Gamers Club |
+|- - 53062:50440 | no_export_to_disney          | Do not announce to PNI with Disney |
   * Use our [[#looking_glass|LG]] to check the effectiveness of community tagging.