BIRD.conf

router id 10.0.0.27; ipv4 table t_direct; protocol device { 
} 
protocol kernel {     ipv4 {         import all;         export all; 
    };     learn; } 
protocol direct local_nets { 
    ipv4 {         table t_direct;         import all; 
    }; 
 
    interface "net0"; 
 
} 
define LOCAL_COMM = (161, 0, 0); define CUSTOMER_COMM = (161, 1, 0); define PEER_COMM = (161, 2, 0); 
define PROVIDER_COMM = (161, 3, 0); ipv4 table t_bgp; protocol pipe {     table t_bgp;     peer table master4;     import none;     export all; 
} protocol pipe {     table t_direct;     peer table t_bgp;     import none; 
    export filter { bgp_large_community.add(LOCAL_COMM); bgp_local_pref = 40; accept; }; 
} 
protocol bgp u_as3 {     ipv4 {         table t_bgp;         import filter { 
            bgp_large_community.add(PROVIDER_COMM); 
            bgp_local_pref = 10;             accept; 
        }; 
        export where bgp_large_community ~ [LOCAL_COMM, CUSTOMER_COMM];         next hop self; 
    }; 
    local 10.103.0.161 as 161;     neighbor 10.103.0.3 as 3; 
} ipv4 table t_ospf; protocol ospf ospf1 {     ipv4 {         table t_ospf;         import all;         export all; 
    };     area 0 { 
        interface "dummy0" { stub; };         interface "ix103" { stub; };         interface "net0" { hello 1; dead count 2; }; 
 
    }; 
} protocol pipe {     table t_ospf;     peer table master4;     import none;     export all; 
}