BGP Communities

Public Community

These communities can be set by any network.

2: Local Preference Control

Community	Description
(OURASN, 2, 1)	Set Local Preference to 100 (default value)
(OURASN, 2, 2)	Set Local Preference to 200
(OURASN, 2, 3)	Set Local Preference to 0

5: Prepend Control

Community	Description
(OURASN, 5, 1)	Path Prepend x1
(OURASN, 5, 2)	Path Prepend x2
(OURASN, 5, 3)	Path Prepend x3
(OURASN, 5, 4)	Path Prepend x4
(OURASN, 5, 5)	Path Prepend x5

Internal Community

These communities are used internally in our networks and SHALL NOT be exposed to outside networks.

4: Peer Type Indicator

Community	Description
(OURASN, 4, 10)	Peer Type: Full Table
(OURASN, 4, 20)	Peer Type: Transit
(OURASN, 4, 21)	Peer Type: Private Transit
(OURASN, 4, 30)	Peer Type: Downstream
(OURASN, 4, 40)	Peer Type: Peer
(OURASN, 4, 41)	Peer Type: Private Peer

6: Internal Region Indicator

DN42 region communities are auto translated when importing to our network.

otherwise, the router will add the community of its own region.

Community	Description
(OURASN, 6, 41)	Origin Region: Europe
(OURASN, 6, 42)	Origin Region: North America-E
(OURASN, 6, 43)	Origin Region: North America-C
(OURASN, 6, 44)	Origin Region: North America-W
(OURASN, 6, 45)	Origin Region: Central America
(OURASN, 6, 46)	Origin Region: South America-E
(OURASN, 6, 47)	Origin Region: South America-W
(OURASN, 6, 48)	Origin Region: Africa-N (above Sahara)
(OURASN, 6, 49)	Origin Region: Africa-S (below Sahara)
(OURASN, 6, 50)	Origin Region: Asia-S (IN,PK,BD)
(OURASN, 6, 51)	Origin Region: Asia-SE (TH,SG,PH,ID,MY)
(OURASN, 6, 52)	Origin Region: Asia-E (JP,CN,KR,TW,HK)
(OURASN, 6, 53)	Origin Region: Pacific&Oceania (AU,NZ,FJ)
(OURASN, 6, 54)	Origin Region: Antarctica
(OURASN, 6, 55)	Origin Region: Asia-N (RU)
(OURASN, 6, 56)	Origin Region: Asia-W (IR,TR,UAE)
(OURASN, 6, 57)	Origin Region: Central Asia (AF,UZ,KZ)