Remove filter/test_bgp_filtering.conf file

router id 62.168.0.1;

function net_martian()

{

  return net ~ [ 169.254.0.0/16+, 172.16.0.0/12+, 192.168.0.0/16+, 10.0.0.0/8+, 

    127.0.0.0/8+, 224.0.0.0/4+, 240.0.0.0/4+, 0.0.0.0/32-, 0.0.0.0/0{25,32}, 0.0.0.0/0{0,7} ];

}

function net_local()

{

  return net ~ [ 12.10.0.0/16+, 34.10.0.0/16+ ];

}

function rt_import(int asn; int set peer_asns; prefix set peer_nets)

{

  if ! (net ~ peer_nets) then return false;

  if ! (bgp_path.last ~ peer_asns) then return false;

  if bgp_path.first != asn then return false;

  if bgp_path.len > 64 then return false;

  if bgp_next_hop != from then return false;

  return true;

}

function rt_import_all(int asn)

{

  if net_martian() || net_local() then return false;

  if bgp_path.first != asn then return false;

  if bgp_path.len > 64 then return false;

  if bgp_next_hop != from then return false;

  return true;

}

function rt_import_rs(int asn)

{

  if net_martian() || net_local() then return false;

  if bgp_path.len > 64 then return false;

  return true;

}

function rt_export()

{

  if proto = "static_bgp" then return true;

  if source != RTS_BGP then return false;

  if net_martian() then return false;

  if bgp_path.len > 64 then return false;

  # return bgp_next_hop ~ [ 100.1.1.1, 100.1.1.2, 200.1.1.1 ];

  return bgp_path.first ~ [ 345, 346 ];

}

function rt_export_all()

{

  if proto = "static_bgp" then return true;

  if source != RTS_BGP then return false;

  if net_martian() then return false;

  if bgp_path.len > 64 then return false;

  return true;

}

filter bgp_in_uplink_123

{

  if ! rt_import_all(123) then reject;

  accept;

}

filter bgp_out_uplink_123

{

  if ! rt_export() then reject;

  accept;

}

filter bgp_in_peer_234

{

  if ! rt_import(234, [ 234, 1234, 2345, 3456 ],

        [ 12.34.0.0/16, 23.34.0.0/16, 34.56.0.0/16 ])

  then reject;

  accept;

}

filter bgp_out_peer_234

{

  if ! rt_export() then reject;

  accept;

}

filter bgp_in_rs

{

  if ! rt_import_rs(bgp_path.last) then reject;

  accept;

}

filter bgp_out_rs

{

  if ! rt_export() then reject;

  accept;

}

filter bgp_in_client_345

{

  if ! rt_import(345, [ 345 ], [ 34.5.0.0/16 ]) then reject;

  accept;

}

filter bgp_out_client_345

{

  if ! rt_export_all() then reject;

  accept;

}