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These are the communities we carry in iBGP. Communities in blue are sent to customers who have requested send-community. Communities in black are accepted from customers to influence routing policy.
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Communities
|
| Description |
Origination |
1 Prepend |
2 Prepends |
3 Prepends |
Do not advertise |
| Transit |
42579:1000 |
42579:10001 |
42579:10002 |
42579:10003 |
42579:10009 |
| Transit - UK |
42579:1001 |
42579:10011 |
42579:10012 |
42579:10013 |
42579:10019 |
| Transit - USA |
42579:1002 |
42579:10021 |
42579:10022 |
42579:10023 |
42579:10029 |
| Transit - NTT |
42579:1101 |
42579:11011 |
42579:11012 |
42579:11013 |
42579:11019 |
| Transit - Datahop |
42579:1102 |
42579:11021 |
42579:11022 |
42579:11023 |
42579:11029 |
| Transit - Atlantic Metro |
42579:1103 |
42579:11031 |
42579:11032 |
42579:11033 |
42579:11039 |
| Transit - Level3 |
42579:1104 |
42579:11041 |
42579:11042 |
42579:11043 |
42579:11049 |
| Public Peering |
42579:2000 |
42579:20001 |
42579:20002 |
42579:20003 |
42579:20009 |
| Public Peering - NYCx |
42579:2001 |
42579:20011 |
42579:20012 |
42579:20013 |
42579:20019 |
| Public Peering - LINX |
42579:2002 |
42579:20021 |
42579:20022 |
42579:20023 |
42579:20029 |
| Public Peering - LONAP |
42579:2003 |
42579:20031 |
42579:20032 |
42579:20033 |
42579:20039 |
| Public Peering - BigAPE |
42579:2004 |
42579:20041 |
42579:20042 |
42579:20043 |
42579:20049 |
| Private Peering |
42579:3000 |
42579:30001 |
42579:30002 |
42579:30003 |
42579:30009 |
| Customer |
42579:4000 |
|
| Customer - lsrei01 |
42579:4001 |
|
| Customer - lsmit01 |
42579:4002 |
|
| Customer - lnpop01 |
42579:4003 |
|
| Customer - lnpop02 |
42579:4004 |
|
| Customer - clbis02 |
42579:4005 |
|
| Sargasso originated |
42579:5000 |
|
| Sargasso originated - lsrei01 |
42579:5001 |
|
| Sargasso originated - lsmit01 |
42579:5002 |
|
| Sargasso originated - lnpop01 |
42579:5003 |
|
| Sargasso originated - lnpop02 |
42579:5004 |
|
| Sargasso originated - clbis02 |
42579:5005 |
|
| Description |
|
Increase |
Normal |
Decrease |
|
| Influence localpref |
|
42579:10 |
42579:11 |
42579:12 |
| Description |
|
Community |
|
| Announce (Sargasso+customer) |
|
42579:501 |
| Blackhole route |
|
42579:666 |
Each route also carries a local preference. The following are common examples:
|
Local Preference
|
| localpref |
Description |
| 160 |
Preferred customer or internal |
| 150 |
Standard customer or internal |
| 140 |
De-prefed customer or internal |
| 130 |
Preferred private peer |
| 120 |
Standard private peer |
| 110 |
De-prefed private peer |
| 100 |
Preferred public peer |
| 90 |
Standard public peer |
| 80 |
De-prefed public peer |
| 70 |
Preferred transit |
| 60 |
Standard transit |
| 50 |
De-prefed transit |
|
