[root@vr1 log]# cat /etc/bird.conf
# Configure logging
log syslog all;
log stderr all;

# Override router ID
router id 10.1.1.10; # <Configurable, if not set use public IP>

# This pseudo-protocol performs synchronization between BIRD's routing
# tables and the kernel. If your kernel supports multiple routing tables
# (as Linux 2.2.x does), you can run multiple instances of the kernel
# protocol and synchronize different kernel tables with different BIRD tables.
protocol kernel {
	learn;			# Learn all alien routes from the kernel
	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 all;		# Default is export none
#	kernel table 5;		# Kernel table to synchronize with (default: main)
}

# This pseudo-protocol watches all interface up/down events.
protocol device {
	scan time 10;		# Scan interfaces every 10 seconds
}

# Static routes (again, there can be multiple instances, so that you
# can disable/enable various groups of static routes on the fly).
#protocol static {
#	disabled;		# Disable by default
#	table testable;		# Connect to a non-default table
#	preference 1000;	# Default preference of routes
#	debug { states, routes, filters, interfaces, events, packets };
#	debug all;
#	route 0.0.0.0/0 via 198.51.100.13;
#	route 198.51.100.0/25 unreachable;
#	route 10.0.0.0/8 unreachable;
#	route 10.1.1.0:255.255.255.0 via 198.51.100.3;
#	route 10.1.2.0:255.255.255.0 via 198.51.100.3;
#	route 10.1.3.0:255.255.255.0 via 198.51.100.4;
#	route 10.2.0.0/24 via "arc0";
#}

protocol direct {
	interface "eth*";	# Restrict network interfaces it works with
}

#
filter export_OSPF {
# redistribute connected
    if ( source = RTS_DEVICE ) then {
        print "net accepted:", net;
        ospf_metric2 = 20;
        accept;
    }
# redistribute static
    if ( source = RTS_STATIC_DEVICE ) then {
        print "net accepted:", net;
        ospf_metric2 = 20;
        accept;
    }

    if ( source = RTS_STATIC ) then {
        print "net accepted:", net;
        ospf_metric2 = 20;
        accept;
    }

    reject;
}


protocol ospf OspfProc {
        tick 2;
	export filter export_OSPF;
	rfc1583compat yes;
	area 0 { # <configurable, integer, area 0 is a backbone area>
		interface "eth0" { # <public interface>
			hello 10; # <configurable>
			retransmit 5; # <configurable>
			cost 10;
			transmit delay 1; # <configurable>
			dead count 4; # <configurable, hello*dead count = dead seconds
			wait 40;
			type broadcast;
			authentication cryptographic; # <configurable, cryptographic = MD5 or simple = plaintext>
			password "area0key"; # <configurable, ospf key>
		};
	};
}