bird_config/bird/bird.conf

include "/etc/bird/vars.conf";
include "/etc/bird/function/*.conf";
include "/etc/bird/conf/*.conf";

log "/var/log/bird.log" {info, warning, error};

protocol device {
    scan time 10;
};

protocol kernel {
    scan time 20;
    merge paths yes limit 4;
    netlink rx buffer 8388608;
    ipv6 {
        import none;
        export filter {
            if source = RTS_STATIC then reject;
            if !is_bogon_prefix() then {
                krt_prefsrc = LOCAL_V6_kernel;
                accept;
            }
            reject;
        };
    };
};

protocol kernel {
    scan time 20;
    merge paths yes limit 4;
    ipv4 {
        import none;
        export filter {
            if source = RTS_STATIC then reject;
            if unet_is_valid_network_v4() then {
                krt_prefsrc = UNET_V4_kernel;
                accept;
            }
            if !is_bogon_prefix() then {
                krt_prefsrc = LOCAL_V4_kernel;
                accept;
            }
            reject;
        };
    };
};

include "/etc/bird/net/*.conf";
include "/etc/bird/template/*.conf";