bird6.conf

log syslog { debug, trace, info, remote, warning, error, auth, fatal, bug };

router id 192.168.70.212;

define asn_ext = [removed];
define asn_int = 65100;

define tag_utrs = 100;
define tag_bogon = 200;
define tag_blackhole = 9999;

filter bogon_export {
	reject;
};

filter bogon_import {
	bgp_community.add((asn_int,tag_bogon));
	accept;
};

filter edge_export {
	if ! (source = RTS_BGP) then reject;
	if (asn_int,tag_utrs) ~ bgp_community then accept;
	if (asn_int,tag_bogon) ~ bgp_community then accept;
	reject;
}

filter edge_import {
	if net.len < 32 then reject;
	if [(*,tag_blackhole)] ~ bgp_community then accept;
	reject;
}

protocol direct {
}

protocol kernel {
	learn;
	persist;		# Don't remove routes on bird shutdown
	scan time 20;		# Scan kernel routing table every 20 seconds
	import all;		# Default is import all
	export none;		# Default is export none
}

protocol device {
	scan time 10;		# Scan interfaces every 10 seconds
}

protocol static {
}

template bgp template_bogon {
	local as asn_ext;
	multihop;
	hold time 180;
	password "[removed]";
	import filter bogon_import;
	export filter bogon_export;
	debug all;
	graceful restart on;
}

protocol bgp bogon_1 from template_bogon {
	description "Team Cymru Bogon Service #1";
	neighbor [removed] as 65332;
}

protocol bgp bogon_2 from template_bogon {
	description "Team Cymru Bogon Service #2";
	neighbor [removed] as 65332;
}

template bgp template_edge {
	local as asn_int;
	multihop;
	debug all;
	hold time 180;
	graceful restart on;
	import none;
	export filter edge_export;
}

protocol bgp edge1 from template_edge {
	neighbor [removed] as 65406;
	password "[removed]";
}

protocol bgp edge2 from template_edge {
	neighbor [removed] as 65406;
	password "[removed]";
}