define tnet = fdb1:4242:3538::/48;
define tnet_router = fdb1:4242:3538:ffff::/64;

function is_tnet() -> bool
{
  return net ~ tnet && ! (net ~ tnet_router);
}

template bgp tnet_tpl {
  local    as 4242423538;
  neighbor internal;

  direct;

  password "trygvis";

  ipv6 {
    next hop self;
    import filter {
      if is_tnet() then {
        print proto, ": import accept, net=", net, ", from=", from, ", gw=", gw;
        accept;
      }
      print proto, ": import reject, reason=not tnet"; reject;
    };
    # newer bird's only
    # import keep filtered;
    export filter {
      if is_tnet() then {
        print proto, ": export accept, net=", net, ", from=", from, ", gw=", gw;
        accept;
      }
      print proto, ": export reject, reason=not tnet"; reject;
    };
  };
}

protocol bgp tnet_astyanax from tnet_tpl {
  neighbor fe80:a0fd:89e4:42c6:f617:7398:abf4:b517;
  interface "tnet-astyanax";

  rr client;
}

protocol bgp tnet_knot from tnet_tpl {
  neighbor fe80:3b20:4cb0:5315:22a:c7de:a45b:8a7c;
  interface "tnet-knot";

  rr client;
}

protocol bgp tnet_node1 from tnet_tpl {
  neighbor fe80:a026:6ec2:b356:21c5:b51:22b9:a1df;
  interface "tnet-node1";

  rr client;
}

protocol bgp tnet_node2 from tnet_tpl {
  neighbor fe80:a7a6:c1a8:c261:232e:7d67:fc27:7c8d;
  interface "tnet-node2";

  rr client;
}