nnd，ping能到4000多ms
alex-macbookpro% ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8): 56 data bytes
Request timeout for icmp_seq 0
Request timeout for icmp_seq 1
Request timeout for icmp_seq 2
Request timeout for icmp_seq 3
64 bytes from 8.8.8.8: icmp_seq=1 ttl=51 time=3553.561 ms
Request timeout for icmp_seq 5
64 bytes from 8.8.8.8: icmp_seq=2 ttl=51 time=4039.923 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=51 time=4533.338 ms
64 bytes from 8.8.8.8: icmp_seq=4 ttl=51 time=4458.560 ms
64 bytes from 8.8.8.8: icmp_seq=5 ttl=51 time=4517.355 ms
64 bytes from 8.8.8.8: icmp_seq=6 ttl=51 time=4502.519 ms
64 bytes from 8.8.8.8: icmp_seq=7 ttl=51 time=4456.371 ms
64 bytes from 8.8.8.8: icmp_seq=8 ttl=51 time=4652.448 ms
64 bytes from 8.8.8.8: icmp_seq=9 ttl=51 time=4583.208 ms
64 bytes from 8.8.8.8: icmp_seq=10 ttl=51 time=4392.794 ms
Request timeout for icmp_seq 15
64 bytes from 8.8.8.8: icmp_seq=12 ttl=51 time=4855.702 ms
Request timeout for icmp_seq 17
64 bytes from 8.8.8.8: icmp_seq=14 ttl=51 time=4997.077 ms
Request timeout for icmp_seq 19
64 bytes from 8.8.8.8: icmp_seq=15 ttl=51 time=5075.043 ms
64 bytes from 8.8.8.8: icmp_seq=16 ttl=51 time=5250.398 ms
64 bytes from 8.8.8.8: icmp_seq=18 ttl=51 time=4991.341 ms
64 bytes from 8.8.8.8: icmp_seq=19 ttl=51 time=4905.787 ms
Request timeout for icmp_seq 24
64 bytes from 8.8.8.8: icmp_seq=20 ttl=51 time=5345.117 ms
64 bytes from 8.8.8.8: icmp_seq=21 ttl=51 time=5266.306 ms
64 bytes from 8.8.8.8: icmp_seq=22 ttl=51 time=5288.944 ms
64 bytes from 8.8.8.8: icmp_seq=23 ttl=51 time=5312.432 ms
64 bytes from 8.8.8.8: icmp_seq=24 ttl=51 time=5360.980 ms
64 bytes from 8.8.8.8: icmp_seq=25 ttl=51 time=5389.816 ms
64 bytes from 8.8.8.8: icmp_seq=26 ttl=51 time=5178.616 ms
64 bytes from 8.8.8.8: icmp_seq=27 ttl=51 time=5303.973 ms
64 bytes from 8.8.8.8: icmp_seq=28 ttl=51 time=5534.524 ms
64 bytes from 8.8.8.8: icmp_seq=29 ttl=51 time=5351.850 ms
^C
--- 8.8.8.8 ping statistics ---
35 packets transmitted, 26 packets received, 25.7% packet loss
round-trip min/avg/max/stddev = 3553.561/4888.384/5534.524/477.391 ms
alex-macbookpro%
