Sample BIRDv4 configuration (looking glass)

bird.conf

log "/var/log/bird.log" all;
debug protocols all;

router id 172.16.31.131;
listen bgp address 172.16.31.131 port 179;

protocol device {
   scan time 180;
}

protocol bgp rtr1_nyc1 {
   import all;
   export none;
   local as 16930;

   multihop 8 via 172.16.31.130;
   default bgp_local_pref 0;

   neighbor 172.17.22.1 as 16930;
   description "rtr1.nyc1";
}