LINK BRASIL - AS271253

BGP COMMUNITIES

Special Communities

65400:666 Blackhole Will discard traffic destined to hosts inside Link Brasil's network. Only /32 and /128 masks are accepted for this community.
65400:290 Customer Backup Routes tagged with this community will have lower preference (740) than default (750) in Link Brasil backbone. It can be used by dual homed customers that want to keep backup advertisements.
65400:90 Less than Transit Routes tagged with this community will have lower preference (90) than Transit (100) in Link Brasil backbone.

Traffic Engineering Communities

65400:2000 no-export International Prevent a route from being exported to every transit or peering route out of Brazil.
65400:2010 no-export Nacional Prevent a route from being exported to every transit or peering route in Brazil.
65400:2020 no-export IX's in Brazil Prevent a route from being exported to every IX's in Brazil.
65400:2030 no-export PNI's Prevent a route from being exported to every route to PNI.
65400:2040 no-export to Clients Link Brasil Prevent a route from being exported to every route to Clients of Link Brasil.
65400:2050 no-export to CDN's Link Brasil Prevent a route from being exported to every route to CDN's of Link Brasil.

The default action in the network is to advertise Customers routes to every Transit and Peering network. Customers can use communities above to change this behavior

Default Local Preference values inside Link Brasil

Default LP Origin
250 Transit
450 Peering
740 Customer (if advertised using community 65400:1900)
750 Customer