# ping 192.168.15.1
PING 192.168.15.1 (192.168.15.1) 56(84) bytes of data.
64 bytes from 192.168.15.1: icmp_seq=1 ttl=255 time=18.2 ms

--- 192.168.15.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 18.203/18.203/18.203/0.000 ms
# ping 192.168.15.2
PING 192.168.15.2 (192.168.15.2) 56(84) bytes of data.
64 bytes from 192.168.15.2: icmp_seq=1 ttl=64 time=7.50 ms

--- 192.168.15.2 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 7.501/7.501/7.501/0.000 ms
# ping 192.168.15.11
PING 192.168.15.11 (192.168.15.11) 56(84) bytes of data.

--- 192.168.15.11 ping statistics ---
1 packets transmitted, 0 received, 100% packet loss, time 0ms

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