IXP Workshop Costa Rica Routing Manifesto & BGP TE

Routing Manifesto

BGP TRAFFIC ENGINEERING

Ejemplo uso Comunidades CommunityAction 3549:100set local preference :200set local preference :275set local preference :300set local preference :350set local preference 350 Peerings 200 Clientes 300 <200 no tiene efecto >200 le gana a los peers 350 le gana a todo

Control of Route Propagation CommunityAction 3549:600Deny inter-continental export 3549:666Deny inter-as export

As-path prepend ASNPeer No Export Prepend +1 Prepend +2 Prepend Qwest MCI Sprint TeliaSonera AOL JPNIC KDDI NTT Verio Tiscali InfoNet Europe

Para los filtrados 3549:3BCCC B = Continent of origin 0 = North America (and all non-continental islands from GMT through GMT-12) 1 = Europe (and all non-continental islands from GMT through GMT+12) 2 = Asia 3 = Australia (and Antarctica, should it become necessary) 4 = South America, Central America and Mexico 5 = Africa (should it become necessary) CCC = 3 digit ISO country code which identifies the country from which the route is sourced from.

Tipo de Ruta TypeDescription 1Public Exchanges 2Private Connections 3Reserved 4Customers 5Internal Routes

Ejemplos de Configs route-map GBLX-in deny 5 match as-path 10 ip community-list 10 permit 3549:1[0-9][0-9][0-9] route-map GBLX-in permit 20 match community 3549:350 set local-preference 350