Sometimes the sheer speed of modern networks still manages to leave me surprised. $ ping -4 router1 -A -c 1000 -q PING router1 (10.0.0.6) 56(84) bytes of data. --- router1 ping statistics --- 1000 packets transmitted, 1000 received, 0% packet loss, time 1998ms rtt min/avg/max/mdev = 0.024/0.055/0.150/0.022 ms, ipg/ewma 1.999/0.062 ms $ ping -6 router1 -A -c 1000 -q PING router1 (2600:a801:30:300::6) 56 data bytes --- router1 ping statistics --- 1000 packets transmitted, 1000 received, 0% pack...