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arpwatch
===
监听网络上ARP的记录
## 说明
**arpwatch命令** 用来监听网络上arp的记录。
### 语法
```
arpwatch(选项)
-d:启动排错模式;
-f<记录文件>:设置存储ARP记录的文件,预设为/var/arpwatch/arp.dat;
-i<接口>:指定监听ARP的接口,预设的接口为eth0;
-r<记录文件>:从指定的文件中读取ARP记录,而不是从网络上监听。