BirkhoffLee@tg says to YSITD
PING router.chris.taipei (1.168.41.40): 56 data bytes 64 bytes from 1.168.41.40: icmp_seq=0 ttl=56 time=7.092 ms 64 bytes from 1.168.41.40: icmp_seq=0 ttl=120 time=8.060 ms (DUP!) 64 bytes from 1.168.41.40: icmp_seq=1 ttl=56 time=34.642 ms 64 bytes from 1.168.41.40: icmp_seq=1 ttl=120 time=34.713 ms (DUP!) 64 bytes from 1.168.41.40: icmp_seq=2 ttl=56 time=9.533 ms 64 bytes from 1.168.41.40: icmp_seq=2 ttl=120 time=9.544 ms (DUP!) 64 bytes from 1.168.41.40: icmp_seq=3 ttl=56 time=8.246 ms 64 bytes from 1.168.41.40: icmp_seq=3 ttl=120 time=8.257 ms (DUP!) 64 bytes from 1.168.41.40: icmp_seq=4 ttl=56 time=12.509 ms 64 bytes from 1.168.41.40: icmp_seq=4 ttl=120 time=12.546 ms (DUP!) 64 bytes from 1.168.41.40: icmp_seq=5 ttl=56 time=10.285 ms 64 bytes from 1.168.41.40: icmp_seq=5 ttl=120 time=10.300 ms (DUP!) 64 bytes from 1.168.41.40: icmp_seq=6 ttl=56 time=10.404 ms 64 bytes from 1.168.41.40: icmp_seq=6 ttl=120 time=10.440 ms (DUP!) 64 bytes from 1.168.41.40: icmp_seq=7 ttl=56 time=63.311 ms 64 bytes from 1.168.41.40: icmp_seq=7 ttl=120 time=63.327 ms (DUP!) ^C --- router.chris.taipei ping statistics --- 8 packets transmitted, 8 packets received, +8 duplicates, 0.0% packet loss round-trip min/avg/max/stddev = 7.092/19.576/63.327/18.488 ms