timer pfcp x23 0
pfcp-peer 127.0.0.1
 tx assoc-setup-req
 sleep 1
 session
  ue ip 127.127.127.127
  gtp access remote f-teid 127.0.0.127 127
  tx session-est-req drop
  sleep 3
  tx session-mod-req far forw
  sleep 5
  tx session-mod-req far drop
  sleep 3
  tx session-mod-req far forw
  sleep 3
  tx session-del-req