tracepath
===
追踪目的主机经过的路由信息
## 补充说明
**tracepath命令** 用来追踪并显示报文到达目的主机所经过的路由信息。
### 语法
```shell
tracepath(参数)
```
### 参数
* 目的主机：指定追踪路由信息的目的主机；
* 端口：指定使用的UDP端口号。
### 实例
```shell
tracepath www.58.com
1: 192.168.2.10 (192.168.2.10) 20.150ms pmtu 1500
1: unknown (192.168.2.1) 9.343ms
2: 221.6.45.33 (221.6.45.33) 34.430ms
3: 221.6.9.81 (221.6.9.81) 19.263ms
4: 122.96.66.37 (122.96.66.37) 54.372ms
5: 219.158.96.149 (219.158.96.149) asymm 6 128.526ms
6: 123.126.0.66 (123.126.0.66) 138.281ms
7: 124.65.57.26 (124.65.57.26) 166.244ms
8: 61.148.154.98 (61.148.154.98) 103.723ms
9: 202.106.42.102 (202.106.42.102) asymm 10 78.099ms
10: 210.77.139.150 (210.77.139.150) asymm 9 199.930ms
11: 211.151.104.6 (211.151.104.6) asymm 10 121.965ms
12: no reply
13: 211.151.111.30 (211.151.111.30) asymm 12 118.989ms reached
Resume: pmtu 1500 hops 13 back 12
```
