[Quidway-GigabitEthernet0/0/52]ping 10.5.15.15
  PING 10.5.15.15: 56 data bytes, press CTRL_C to break
    Request time out
    Request time out
    Request time out
    Request time out
    Request time out

--- 10.5.15.15 ping statistics ---
    5 packet(s) transmitted
    0 packet(s) received
    100.00% packet loss