当traceroute在中间跃点上超时时,它如何能够如下继续到达目的地?
[root@localhost network-scripts]# traceroute -I www.google.com
traceroute to www.google.com (216.58.196.228), 30 hops max, 60 byte packets
1 gateway (10.0.2.2) 0.531 ms 0.355 ms 0.448 ms
2 * * *
3 * * *
4 osk009nasgw111.IIJ.Net (202.32.116.129) 366.682 ms 366.562 ms 366.368 ms
5 osk004bb01.IIJ.Net (202.32.116.5) 366.206 ms 366.062 ms 365.879 ms
6 osk004ix50.IIJ.Net (58.138.107.166) 363.375 ms 125.516 ms 125.391 ms
7 210.130.133.86 (210.130.133.86) 125.574 ms 125.520 ms 137.085 ms
8 108.170.243.65 (108.170.243.65) 137.103 ms 137.491 ms 137.364 ms
9 108.170.238.93 (108.170.238.93) 138.227 ms 138.147 ms 101.212 ms
10 kix06s01-in-f4.1e100.net (216.58.196.228) 100.566 ms 100.791 ms 235.679 ms
答案 0 :(得分:0)
在这里回答我自己的问题。
中间的服务器可以拒绝ICMP请求,但是一旦TTL递增以进行后续传输,它仍然会将数据包传递到下一个服务器。