PING m1m2.cn (177.210.42.158) 56(84) bytes of data.
64 bytes from 177.210.42.158: icmp_seq=1 ttl=121 time=199 ms
64 bytes from 177.210.42.158: icmp_seq=2 ttl=121 time=199 ms
64 bytes from 177.210.42.158: icmp_seq=3 ttl=121 time=199 ms

--- m1m2.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2917ms
rtt min/avg/max/mdev = 199.165/199.314/199.537/0.398 ms