PING cn_vip1.nodev1.cn.vc (118.31.179.153) 56(84) bytes of data.
64 bytes from 118.31.179.153 (118.31.179.153): icmp_seq=1 ttl=87 time=277 ms
64 bytes from 118.31.179.153 (118.31.179.153): icmp_seq=2 ttl=87 time=276 ms
64 bytes from 118.31.179.153 (118.31.179.153): icmp_seq=3 ttl=87 time=276 ms

--- cn_vip1.nodev1.cn.vc ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 276.685/277.093/277.880/0.556 ms