packet-generator new {
  name x
  limit 1
  node mpls-ethernet-input
  size 68-68
  data {
   hex 0x0001e1ff4500004000000000400177ba010000020200000208007a6e000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f2021222324252627
  }
}