bird.conf

# This is a minimal configuration file, which allows the bird daemon to start
# but will not cause anything else to happen.
#
# Please refer to the documentation in the bird-doc package or BIRD User's
# Guide on http://bird.network.cz/ for more information on configuring BIRD and
# adding routing protocols.

# Change this into your BIRD router ID. It's a world-wide unique identification
# of your router, usually one of router's IPv4 addresses.
router id 192.168.50.21;

log syslog all;

# controlplane
protocol bgp {
  	local 192.168.50.21 as 65000;
	neighbor 192.168.50.22 as 65000;
	direct;
    import filter {
      if ( net ~ [ 172.16.0.0/16{26,26} ] ) then accept;
    };
    export none;
}

# worker1
protocol bgp {
  	local 192.168.50.21 as 65000;
	neighbor 192.168.50.23 as 65000;
	direct;
    import filter {
      if ( net ~ [ 172.16.0.0/16{26,26} ] ) then accept;
    };
    export none;
}

# worker2
protocol bgp {
  	local 192.168.50.21 as 65000;
	neighbor 192.168.50.24 as 65000;
	direct;
    import filter {
      if ( net ~ [ 172.16.0.0/16{26,26} ] ) then accept;
    };
    export none;
}

# The Kernel protocol is not a real routing protocol. Instead of communicating
# with other routers in the network, it performs synchronization of BIRD's
# routing tables with the OS kernel.
protocol kernel {
	scan time 60;
	export all;   # Actually insert routes into the kernel routing table
}

# The Device protocol is not a real routing protocol. It doesn't generate any
# routes and it only serves as a module for getting information about network
# interfaces from the kernel. 
protocol device {
	scan time 60;
}