timer pfcp x23 0
pfcp-peer 127.0.0.1
 tx assoc-setup-req
 sleep 1
 session tunmap
  gtp core remote f-teid 127.0.0.11 42
  gtp core local f-teid choose
  gtp access local f-teid choose
  gtp access remote f-teid 127.0.0.13 23
  tx session-est-req
  sleep 5
  tx session-del-req