Hello,
I did this on router A : network 217.109.108.0/24 network 217.109.108.128/25 neigbor... allow from any match to any prefix 217.109.108.128/25 set prepend-self 5 On router A "bgpctl sh rib" : Flags destination gateway lpref med aspath origin AI*> 217.109.108.0/24 0.0.0.0 100 0 i AI*> 217.109.108.128/24 0.0.0.0 100 0 i On ISP router A "bgpctl sh rib" : Flags destination gateway lpref med aspath origin AI*> 217.109.108.0/24 0.0.0.0 100 0 65001 i AI*> 217.109.108.128/24 0.0.0.0 100 0 65001 65001 65001 65001 65001 i Everything is fine :) Many, many thanks for your help. -- Cordialement, Pierre BARDOU -----Message d'origine----- DeB : rh...@hushmail.com [mailto:rh...@hushmail.com] EnvoyC)B : mardi 29 juin 2010 13:30 CB : misc@openbsd.org CcB : BARDOU Pierre ObjetB : Re: Load balancing incoming trafic with BGP Hello, Have you tried a filter based config for your prepends ?