How to make fast ping

how to make fast ping

Normal:

[root@virt ~]# time ping -c 5 www.google.com
PING www.google.com (216.58.209.36) 56(84) bytes of data.
64 bytes from waw02s05-in-f36.1e100.net (216.58.209.36): icmp_seq=1 ttl=55 time=12.1 ms
64 bytes from waw02s05-in-f36.1e100.net (216.58.209.36): icmp_seq=2 ttl=55 time=10.7 ms
64 bytes from waw02s05-in-f36.1e100.net (216.58.209.36): icmp_seq=3 ttl=55 time=12.0 ms
64 bytes from waw02s05-in-f36.1e100.net (216.58.209.36): icmp_seq=4 ttl=55 time=11.5 ms
64 bytes from waw02s05-in-f36.1e100.net (216.58.209.36): icmp_seq=5 ttl=55 time=12.4 ms

--- www.google.com ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4032ms
rtt min/avg/max/mdev = 10.797/11.811/12.449/0.599 ms

real    0m4.067s
user    0m0.000s
sys    0m0.006s

Fast:

[root@virt ~]# time ping -c 5 -n -i 0.2 -W1 www.google.com
PING www.google.com (216.58.209.36) 56(84) bytes of data.
64 bytes from 216.58.209.36: icmp_seq=1 ttl=55 time=12.8 ms
64 bytes from 216.58.209.36: icmp_seq=2 ttl=55 time=10.2 ms
64 bytes from 216.58.209.36: icmp_seq=3 ttl=55 time=11.1 ms
64 bytes from 216.58.209.36: icmp_seq=4 ttl=55 time=11.4 ms
64 bytes from 216.58.209.36: icmp_seq=5 ttl=55 time=11.5 ms

--- www.google.com ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 835ms
rtt min/avg/max/mdev = 10.212/11.428/12.862/0.855 ms

real    0m0.870s
user    0m0.000s
sys    0m0.017s