跟踪所有路由

在本地系统上使用带 –a 选项的 traceroute 命令可以跟踪所有路由：

% traceroute -a host-name

以下示例显示了通向双栈主机的所有可能路由：

% traceroute -a v6host
traceroute: Warning: Multiple interfaces found; using 2001:db8:4a3a:1:56:a0:a8 @ net0:2 traceroute to v6host (2001:db8:4a3b:5:102:a00:fe79:19b0),30 hops max, 60 byte packets 
1 v6-rout86 (2001:db8:4a3b:1:56:a00:fe1f:59a1) 35.534 ms 56.998 ms *
2 2001:db8::255:0:c0a8:717 32.659 ms 39.444 ms *
3  farhost (2001:db8:4a3b:2:103:a00:fe9a:ce7b)  401.518 ms  7.143 ms *
4  distant (2001:db8:4a3b:3:100:a00:fe7c:cf35)  113.034 ms  7.949 ms *
5  v6host (2001:db8:4a3b:5:102:a00:fe79:19b0)  66.111 ms *  36.965 ms *

traceroute to v6host  (192.168.10.75),30 hops max,40 byte packets
1  v6-rout86 (172.16.86.1)  4.360 ms  3.452 ms  3.479 ms
2  flrmpj17u (172.16.17.131)  4.062 ms  3.848 ms  3.505 ms
3  farhost (10.0.0.23)  4.773 ms *  4.294 ms
4  distant (192.168.10.104)  5.128 ms  5.362 ms *
5  v6host  (192.168.15.85)  7.298 ms  5.444 ms *