router id 10.0.0.20;

log "/var/log/bird/bird6.log" all;
debug protocols { states, routes, filters, interfaces }

protocol kernel {
	import none;
	export all;
}

protocol device {
	# defaults...
}

protocol ospf {
	area 0 {
		# BIRD ignores the IPv6 lo because it has no link local address
		stubnet 2001:db8:20::20/128;
		interface "ebgp_r1" {
			stub;
		};
		interface "ebgp_r11" {
			stub;
		};
	};
}

protocol static {
	import all;
	route 2001:db8:20::/48 blackhole;
}

##############################################################################
# BGP table
#

# Use this routing table to gather external routes received via BGP which we
# want push to the kernel via our master table and to other routers in our AS
# via iBGP or even to other routers outside our AS again (transit), which can
# be connected here or to a router elsewhere on the border of our AS.

table t_bgp;

protocol pipe p_master_to_bgp {
	table master;
	peer table t_bgp;
	import all;  # default
	export none;  # default
}

##############################################################################
# eBGP R1
#

table t_r1;

protocol static originate_to_r1 {
	table t_r1;
	import all;  # originate here
	route 2001:db8:20::/48 blackhole;
}

protocol bgp ebgp_r1 {
	table t_r1;
	local    2001:db8:0:5::20 as 65020;
	neighbor 2001:db8:0:5::1  as 65000;
	import all;
	export all;
}

protocol pipe p_bgp_to_r1 {
	table t_bgp;
	peer table t_r1;
	import where proto = "ebgp_r1";
	export none;
}

##############################################################################
# eBGP R11
#

table t_r11;

protocol static originate_to_r11 {
	table t_r11;
	import all;  # originate here
	route 2001:db8:20::/48 blackhole;
}

protocol bgp ebgp_r11 {
	table t_r11;
	local    2001:db8:10:6::20 as 65020;
	neighbor 2001:db8:10:6::11 as 65010;
	import all;
	export all;
}

protocol pipe p_bgp_to_r11 {
	table t_bgp;
	peer table t_r11;
	import where proto = "ebgp_r11";
	export none;
}