BGP Communities
Net Access uses BGP communities to control the announcement (or
lack thereof) of routes to peers, and uses communities to identify incoming
routes.
We hope this page will help you to better understand and implement
them on your network.
Please contact Net Access Engineering at eng@nac.net
Communities:
| Transit |
|
Standard Community |
Do Not Advertise |
One Prepend |
Two Prepends |
Three Prepends |
| All Transitors |
8001:1000 |
8001:10000 |
8001:10001 |
8001:10002 |
8001:10003 |
| SAVVIS |
8001:1003 |
8001:10030 |
8001:10031 |
8001:10032 |
8001:10033 |
| Telia |
8001:1005 |
8001:10050 |
8001:10051 |
8001:10052 |
8001:10053 |
| Telecom Italia (Seabone) |
8001:1006 |
8001:10060 |
8001:10061 |
8001:10062 |
8001:10063 |
| Level3 |
8001:1007 |
8001:10070 |
8001:10071 |
8001:10072 |
8001:10073 |
| Tiscali |
8001:1009 |
8001:10090 |
8001:10091 |
8001:10092 |
8001:10093 |
| Public Peering |
|
Standard Community |
Do Not Advertise |
One Prepend |
Two Prepends |
Three Prepends |
| All Public Peers |
8001:2000 |
8001:20000 |
8001:20001 |
8001:20002 |
8001:20003 |
| NYIIX |
8001:2001 |
8001:20010 |
8001:20011 |
8001:20012 |
8001:20013 |
| Packet Exchange |
8001:2002 |
8001:20020 |
8001:20021 |
8001:20022 |
8001:20023 |
| LINX |
8001:2004 |
8001:20040 |
8001:20041 |
8001:20042 |
8001:20043 |
| Equinix Ashburn |
8001:2006 |
8001:20060 |
8001:20061 |
8001:20062 |
8001:20063 |
| TorIX |
8001:2007 |
8001:20070 |
8001:20071 |
8001:20072 |
8001:20073 |
| Equinix Newark |
8001:2008 |
8001:20080 |
8001:20081 |
8001:20082 |
8001:20083 |
| NYCX |
8001:2009 |
8001:20090 |
8001:20091 |
8001:20092 |
8001:20093 |
| Private Peering |
|
Standard Community |
Do Not Advertise |
One Prepend |
Two Prepends |
Three Prepends |
| All Private Peers |
8001:3000 |
8001:30000 |
8001:30001 |
8001:30002 |
8001:30003 |
| Cogent |
8001:3002 |
8001:30020 |
8001:30021 |
8001:30022 |
8001:30023 |
| KDDI |
8001:3004 |
8001:30040 |
8001:30041 |
8001:30042 |
8001:30043 |
| Hurricane Electric |
8001:3006 |
8001:30060 |
8001:30061 |
8001:30062 |
8001:30063 |
| Monmouth Internet |
8001:3008 |
8001:30080 |
8001:30081 |
8001:30082 |
8001:30083 |
| Microsoft |
8001:3018 |
8001:30180 |
8001:30181 |
8001:30182 |
8001:30183 |
| Telecomplete |
8001:3020 |
8001:30200 |
8001:30201 |
8001:30202 |
8001:30203 |
| Cogent |
8001:3021 |
8001:30210 |
8001:30211 |
8001:30212 |
8001:30213 |
| Cox |
8001:3023 |
8001:30230 |
8001:30231 |
8001:30232 |
8001:30233 |
| Customer |
|
Standard
Community |
Decrease
Local-Preference |
Standard
Local-Preference |
Increase
Local-Preference |
| Customer |
8001:4000 |
8001:115 |
8001:120 |
8001:125 |
| NYC (Telehouse - 25 Broadway, NY, NY) |
8001:4001 |
One Prepend |
Two Prepends |
Three Prepends |
| OCT (NAC - 1719 Route 10, Parsippany, NJ)
| 8001:4002 |
| NWR (Equinix - 165 Halsey St, Newark, NJ)
| 8001:4003 |
| EWR (9th Floor MMR - 165 Halsey St, Newark, NJ)
| 8001:4004 |
| TLW (TelX - 60 Hudson St, New York, NY)
| 8001:4006 |
| SNE (Sprint - 13 Adams St, Newton, NJ)
| 8001:4007 |
| TOR (151 Front St., Toronto, ON)
| 8001:4009 |
| MMU ( NAC - 9 Wing Dr., Cedar Knolls, NJ)
| 8001:4010 |
| NAC Originated |
|
Standard Community |
| NAC Originated |
8001:5000 |
| NYC (Telehouse - 25 Broadway, NY, NY) |
8001:5001 |
| OCT (NAC - 1719 Route 10, Parsippany, NJ) |
8001:5002 |
| NWR (Equinix - 165 Halsey St, Newark, NJ) |
8001:5003 |
| EWR (9th Floor MMR - 165 Halsey St, Newark, NJ) |
8001:5004 |
| TLW (TelX - 60 Hudson St, New York, NY) |
8001:5006 |
| SNE (Sprint - 13 Adams St, Newton, NJ) |
8001:5007 |
| ASH (Equinix - Ashburn, VA) |
8001:5008 |
| TOR (RACO - Toronto, ON) |
8001:5009 |
| 8001:99 |
Route will NOT be prepended to any transit provider. |
All routes within the NAC network also carry a local preference:
| 115 - 125 |
Customer Prefs |
| 87 |
Private Peering Prefs |
| 82 |
Public Peering Prefs |
| 70 - 79 |
Transit Prefs |
| 10 |
Lowest possible Pref |
|
